ТЕХНОЛОГИИ ПОВТОРИТЕЛЯ ДЛЯ СИСТЕМЫ С МНОЖЕСТВОМ ВХОДОВ И МНОЖЕСТВОМ ВЫХОДОВ С ИСПОЛЬЗОВАНИЕМ ФОРМИРОВАТЕЛЕЙ ДИАГРАММЫ НАПРАВЛЕННОСТИ

Изобретение относится к технике связи и может использоваться для сети беспроводной связи. Технический результат состоит в повышении эффективности использования беспроводной связи в домашних условиях или в среде внутри помещений. Для этого повторитель включает в себя первую приемную антенну для приема сигнала приема по первому тракту от одного из точки доступа, другого повторителя или устройства беспроводной станции; вторую приемную антенну для приема сигнала приема по второму тракту; схему взвешивания при приеме для применения первого и второго весовых коэффициентов к сигналу приема для формирования первого взвешенного сигнала приема и второго взвешенного сигнала приема; модуль комбинирования сигналов для комбинирования первого и второго взвешенных сигналов приема согласно различным математическим комбинациям для формирования множества комбинированных сигналов приема; и передающую антенну для передачи сигнала передачи, соответствующего одному из комбинированных сигналов приема, в одно из ...

УСТРОЙСТВО ПЕРЕДАЧИ ДАННЫХ, СПОСОБ УПРАВЛЕНИЯ ПЕРЕДАЧЕЙ ДАННЫХ И СИСТЕМА ПЕРЕДАЧИ ДАННЫХ

Изобретение относится к технике связи и может использоваться в системах беспроводной связи. Технический результат состоит в повышении пропускной способности и повышении надежности приема данных. Для этого предусмотрено устройство передачи данных, включающее в себя первую часть беспроводной передачи данных, выполненную с возможностью выполнения беспроводной передачи данных в соответствии с первой схемой передачи данных, и вторую часть беспроводной передачи данных, выполненную с возможностью выполнения беспроводной передачи данных в соответствии со второй схемой передачи данных, в которой используется более высокая полоса частот, чем в первой схеме передачи данных, в котором вторая часть беспроводной передачи данных определяет момент времени приема, для приема сигнала маяка, переданного в соответствии со второй схемой передачи данных, на основе момента времени, когда заданный сигнал управления был принят первой частью беспроводной передачи данных, и формирует, в определенный момент времени ...

УСТРОЙСТВО БЕСПРОВОДНОЙ СВЯЗИ И СПОСОБ БЕСПРОВОДНОЙ СВЯЗИ

Изобретение относится к области беспроводной связи. Техническим результатом является ускорение процедуры завершения обнаружения (процедура, в которой терминал (STA: станция) обнаруживает другие STA, чтобы реализовать исходное соединение с другой STA). Упомянутый технический результат достигается тем, что в случае, когда период A–BFT (Обучение Формирования Следующего Ассоциативного Луча) не присутствует в BI (интервале маяка), PCP/AP (точка управления или точка доступа PBSS (персонального набора базовых услуг)) использует формат, который включает в себя подполе. Поддержка Незапрашиваемого RSS (свипирования сектора ответчика) для указания поддержки для ответа на незапрашиваемые RSS в пределах CBAP (периода доступа на конкурентной основе), для поля Управление Интервала Маяка кадра DMG (направленного мульти–гигабитного) маяка, используемого для исполнения BTI–ISS (свипирование сектора инициатора). Например, в случае, когда указано, что ответ на незапрашиваемые RSS в пределах CBAP поддерживается ...

Способ и устройство для сообщения о сбое луча и носитель данных

Изобретение относится к области беспроводной связи. Технический результат заключается в повышении коэффициента использования ресурсов восходящей линии связи. Технический результат достигается за счет того, что при определении терминалом сбоя луча целевой вторичной обслуживающей соты, терминал передает запрос планирования восходящей линии связи или запрос произвольного доступа на базовую станцию для уведомления базовой станции о возникновении сбоя луча. Терминал принимает информацию о конфигурации ресурсов от базовой станции, сконфигурированную для указания ресурса физического общего канала восходящей линии связи (PUSCH) для терминала для передачи первой сигнализации элемента управления (CE) управления доступом к среде (MAC). Терминал передает первую сигнализацию MAC CE на базовую станцию, которая содержит информацию индикации сбоя луча для указания на то, что целевая вторичная обслуживающая сота имеет сбой луча. 4 н. и 8 з.п. ф-лы, 7 ил.

ВОССТАНОВЛЕНИЕ ПОСЛЕ СБОЯ ЛУЧА ВТОРИЧНОЙ СОТЫ НА ОСНОВЕ ГРУППЫ

Изобретение относится к области связи. Технический результат заключается в уменьшении ресурсопотребления на опорный сигнал обнаружения сбоя луча (BFD RS) нисходящей линии связи и уменьшении ресурсопотребления при осуществлении радиосвязи по восходящей линии связи, а также снижении затрат на измерение BFD для пользовательского оборудования (UE) и упрощении процедуры восстановления после сбоя луча (BFR). Для этого аппарат связи содержит: приемник, который во время работы принимает информацию о группе и информацию о конфигурации для BFR группы вторичных сот (SCells), причем информация о группе указывает на одну или более несущих составляющих, включенных в группу SCells; и передатчик, который во время работы передает отчетную информацию, основанную на информации о конфигурации BFR, причем отчетная информация включает в себя по меньшей мере одно из результата обнаружения сбоя луча (beam failure detection, BFD) группы SCells и информации о новом луче группы SCells. 6 н. и 28 з.п. ф-лы, 14 ил.

ЭФФЕКТИВНОЕ УКАЗАНИЕ ПРОСТРАНСТВЕННОГО ОТНОШЕНИЯ ДЛЯ РЕСУРСОВ ФИЗИЧЕСКОГО КАНАЛА УПРАВЛЕНИЯ ВОСХОДЯЩЕЙ ЛИНИИ СВЯЗИ (PUCCH)

Изобретение относится к сетям беспроводной связи. Технический результат заключается в обеспечении эффективной технологии для сигнализации пространственного отношения для ресурсов физического канала управления восходящей линии связи (PUCCH), которые будут использоваться UE при взаимодействии с сетевым узлом. Варианты осуществления включают в себя способы, выполняемые сетевым узлом, конфигурирования ресурсов PUCCH, используемых для связи с UE в беспроводной сети. Варианты осуществления включают в себя этап, на котором отправляют в UE одно или более управляющих сообщений, содержащих: конфигурацию множества ресурсов PUCCH; и идентификацию множества пространственных отношений, ассоциированных с одним или более опорными сигналами, передаваемыми UE или сетевым узлом. Варианты осуществления также включают в себя этап, на котором отправляют в UE дополнительное управляющее сообщение, содержащее: идентификацию первого пространственного отношения из множества пространственных отношений; и указание, ...

УСТРОЙСТВО БЕСПРОВОДНОЙ СВЯЗИ И СПОСОБ БЕСПРОВОДНОЙ СВЯЗИ

Изобретение относится к технике беспроводной связи, использующей диапазон миллиметровых волн, и предназначено для высокоскоростного обнаружения станций. Устройство беспроводной связи содержит: схему 103 конфигурирования кадра, которая формирует кадр передачи, включающий в себя маяковые сигналы DMG, при этом поля идентификатора сектора в полях SSW, включенные в соответственные маяковые сигналы DMG, указывают один или более секторов передачи, используемых для направленных передач соответственных маяковых сигналов DMG, и поле, отличное от поля идентификатора сектора, включенное в каждый маяковый сигнал DMG, указывает, есть или нет квазивсенаправленная передача; и беспроводную схему 105 передачи, которая выполняет, используя сектор передачи, указанный полем идентификатора сектора, направленную передачу на первом маяковом сигнале DMG, который включен в маяковые сигналы DMG и в котором поле, отличное от поля идентификатора сектора, указывает неквазивсенаправленную передачу, и выполняет квазивсенаправленную ...

Способ передачи сигнала, сетевое и оконечное устройства

Изобретение относится к области связи. Настоящее изобретение относится к способу передачи сигнала, сетевому и оконечному устройствам. Представленный способ состоит в следующем. Сетевое устройство генерирует соответствующую каждому лучу специализированную информацию. Первая специализированная информация первого луча используется для указания на параметры конфигурации первого луча. Параметры конфигурации первого луча используются для определения оконечным устройством в зоне покрытия первого луча системной информации первого луча. Сетевое устройство передает соответствующую специализированную информацию луча оконечным устройствам одной и той же соты посредством каждого луча. В соответствии со способом передачи сигнала сетевое и оконечное устройства в примерах реализации настоящего изобретения выполняют следующие функции. Сетевое устройство осуществляет перенос параметров конфигурации луча, содержащихся в специализированной информации луча, каждому оконечному устройству в зоне покрытия луча ...

СПОСОБ ПЕРЕДАЧИ СИГНАЛОВ, ТЕРМИНАЛЬНОЕ УСТРОЙСТВО И СЕТЕВОЕ УСТРОЙСТВО

Изобретение относится к области связи. Технический результат - возможность определения на основе по меньшей мере двух типов опорных сигналов сигнала, который необходимо передать, то есть выбор луча. Для этого способ включает: измерение терминальным устройством N первых сигналов для получения соответствующего результата измерения и измерение M вторых сигналов для получения соответствующего результата измерения, причем N≥1 и M≥1; определение терминальным устройством сигнала, который необходимо передать, согласно результату измерения N первых сигналов и результату измерения M вторых сигналов. 2 н. и 10 з.п. ф-лы, 7 ил.

СПОСОБ И УСТРОЙСТВО УПРАВЛЕНИЯ ТАЙМЕРОМ

Изобретение относится к способу управления таймером, применимому к пользовательскому оборудованию (UE). Технический результат состоит в устранении чрезмерного использования ресурсов для произвольного доступа без конкуренции. Для этого способ включает: в ответ на то, что уровень управления доступом к среде принимает индикацию события отказа луча, переданную физическим уровнем, определение, является ли значение подсчета счетчика индикации отказа луча большим или равным заранее заданному значению; в ответ на то, что значение подсчета счетчика индикации отказа луча больше или равно заранее заданному значению, запуск произвольного доступа; определение, следует ли инициировать запускаемый произвольный доступ; и, в ответ на определение того, что запускаемый произвольный доступ следует инициировать, сброс или перезапуск таймера восстановления луча после инициирования запускаемого произвольного доступа. 4 н. и 12 з.п. ф-лы, 10 ил.

СПОСОБ И УСТРОЙСТВО ДЛЯ ПЕРЕДАЧИ СИНХРОНИЗИРОВАННОЙ ШИРОКОВЕЩАТЕЛЬНОЙ ИНФОРМАЦИИ

Изобретение относится к технической области связи для передачи синхронизированной широковещательной информации. Технический результат изобретения заключается в своевременной обработке синхронизации для терминала. Способ передачи широковещательных данных синхронизации содержит: определение альтернативных позиций передачи, соответствующих синхронизированным широковещательным блокам, подлежащим передаче, причем количество альтернативных позиций передачи больше количества синхронизированных широковещательных блоков в пределах одного периода; генерирование синхронизированной широковещательной информации, содержащей синхронизированные широковещательные блоки; и передачу сгенерированной синхронизированной широковещательной информации в альтернативных позициях передачи методом развертки луча. 4 н. и 6 з.п. ф-лы, 16 ил., 1 табл.

СПОСОБ БЕСПРОВОДНОЙ ПЕРЕДАЧИ, БЕСПРОВОДНОЙ ПЕРЕДАТЧИК, БЕСПРОВОДНОЙ ПРИЕМНИК

Изобретение относится к беспроводной передачи. Посредством изменения числа передающих лучей (исходное число лучей выбирается на принимающей стороне), которые нужно сформировать в зависимости от числа передаваемых потоков данных, могут быть достигнуты высокие характеристики пропускной способности с помощью низкой взаимной корреляции между лучами при передаче нескольких потоков и высокое направленное усиление при передаче одного потока. Для этого беспроводной передатчик управляет числом передающих лучей, которые необходимо сформировать для передачи потоков данных, в зависимости от числа потоков данных, которые нужно передать, и беспроводной приемник избирательно принимает любой один или более передающих лучей из передающих лучей. 4 н.п. ф-лы. 8 ил.

СПОСОБ ВОСХОДЯЩЕЙ ПЕРЕДАЧИ, ОКОНЕЧНОЕ УСТРОЙСТВО И СЕТЕВОЕ УСТРОЙСТВО

Изобретение относится к системам беспроводной связи, таким как системы связи 5G. Технический результат заключается в сохранении качества связи между сетевым устройством и оконечным устройством при сбоях восходящей передачи данных от оконечного устройства, вызванного блокировкой луча. В соответствии с вариантами осуществления изобретения предоставляется способ восходящей передачи, который предусматривает: прием оконечным устройством индикаторной информации, отправленной сетевым устройством, использование индикаторной информации для индикации луча, соответствующего по меньшей мере одному каналу восходящей передачи оконечного устройства, причем луч, соответствующий каждому каналу восходящей передачи, используется для передачи каждого канала восходящей передачи; и выполнение оконечным устройством восходящей передачи в соответствии с индикаторной информацией. 4 н. и 26 з.п. ф-лы, 6 ил.

СИСТЕМА И СПОСОБ ВОССТАНОВЛЕНИЯ ЛУЧА СВЯЗИ

Изобретение относится к системам новой радиосвязи («New Radio», NR) пятого поколения (5G), использующим высокие частоты (HF). Технический результат заключается в поддержании восстановления луча связи. Способ функционирования узла доступа включает в себя генерирование сообщения конфигурации, включающего в себя информацию, указывающую набор опорных сигналов первого типа опорных сигналов и набор опорных сигналов второго типа опорных сигналов, используемых для идентификации нового луча, и информацию, указывающую ресурсы канала произвольного доступа, выделенные для передачи преамбульных последовательностей, при этом каждый ресурс канала произвольного доступа связан с опорным сигналом первого типа опорных сигналов, отправку, в одно или более пользовательских устройств (UE), сообщения конфигурации, приема, от UE, преамбульной последовательности в одном из ресурсов канала произвольного доступа и определение идентификатора UE в соответствии с преамбульной последовательностью и одним из ресурсов ...

СПОСОБЫ И УСТРОЙСТВА ОБЕСПЕЧЕНИЯ ПОКРЫТИЯ ЛУЧОМ УСТРОЙСТВА СВЯЗИ, РАБОТАЮЩЕГО В СЕТИ БЕСПРОВОДНОЙ СВЯЗИ

Изобретение относится к беспроводной связи. Заявлен способ, выполняемый устройством связи для управления покрытием лучом. Устройство принимает и оценивает первые опорные сигналы, переданные сетевым узлом. Первые опорные сигналы содержатся в первых лучах. Первые лучи являются статическими или полустатическими. Прием и оценка соответствуют первому состоянию, в котором устройство воздерживается от сообщения обратно о первых опорных сигналах. В ответ на заключение, что все принятые первые опорные сигналы слишком слабые и/или слишком низкого качества по сравнению с пороговым значением, устройство связи посылает запрос одному или более сетевым узлам, запрашивающим некоторую процедуру для обеспечения посредством формирования диаграммы направленности луча одного или более вторых лучей специально для нацеливания на устройство связи. Вторые лучи содержат один или более вторых опорных сигналов. Устройство переключается во второе состояние, в котором устройство активно принимает участие в обеспечении ...

СПОСОБ ПЕРЕДАЧИ ИНФОРМАЦИИ, СЕТЕВОЕ УСТРОЙСТВО И ТЕРМИНАЛЬНОЕ УСТРОЙСТВО

Изобретение относится к технике связи и может использоваться в системах беспроводной связи. Технический результат состоит в повышении эффективности приема информации по нисходящей линии связи. Для этого сетевое устройство направляет указательную информацию на терминальное устройство, при этом указательная информация указывает луч, соответствующий каналу передачи по нисходящей линии связи, определенному сетевым устройством из нескольких порций конфигурационной информации, луч, соответствующий каналу передачи по нисходящей линии связи, используют для обеспечения прохождения канала передачи по нисходящей линии связи, и каждая порция из нескольких порций конфигурационной информации содержит по меньшей мере одно из: информации по меньшей мере одного передающего луча, информации приемного луча, соответствующего по меньшей мере одному передающему лучу, и информации отображения ресурсов, при этом информация отображения ресурсов указывает ресурс, доступный или недоступный для передачи по нисходящей ...

ОПРЕДЕЛЕНИЕ ДИАГРАММЫ НАПРАВЛЕННОСТИ ИЗЛУЧЕНИЯ

Изобретение относится к технике связи и предназначено для обеспечения эффективного определения установок параметров антенны, таких как диаграммы направленности излучения. Сетевой узел выполняет способ определения диаграммы направленности излучения, заключающийся в передаче зондирующих сигналов, причем зондирующие сигналы ортогональны опорным сигналам конкретной соты (CRS), переданным сетевым узлом, приеме ответов на зондирующие сигналы от беспроводных устройств, в котором каждый ответ содержит отчет об измерении, основанный на приеме переданных зондирующих сигналов, на каждом беспроводном устройстве и определении диаграммы направленности излучения на основании принятых отчетов об измерениях. 6 н. и 23 з.п. ф-лы, 12 ил.

СПОСОБ ПЕРЕДАЧИ СИГНАЛА, ОКОНЕЧНОЕ УСТРОЙСТВО И СЕТЕВОЕ УСТРОЙСТВО

Изобретение относится к области средств связи и, более конкретно, к способу передачи сигнала, оконечному устройству и сетевому устройству, таким образом улучшая эффективность обнаружения последующего сигнала. Технический результат заключается в повышении эффективности последующего обнаружения сигнала за счет определения, используется ли один и тот же луч для передачи N сигналов согласно информации указания луча, и осуществления передачи сигнала на основании указанного определения, так что оконечное устройство и сетевое устройство могут определять соответствующие оптимальные лучи, используемые для передачи или приема сигнала. Способ включает: прием информации указания луча, передаваемой сетевым устройством и используемой для указания того, являются ли лучи для передачи N сигналов одними и теми же, причем N является целым числом, которое больше чем 1; и передачу N сигналов сетевым устройством согласно информации указания луча. 3 н. и 19 з.п. ф-лы, 8 ил.

БАЗОВАЯ СТАНЦИЯ, ОКОНЕЧНОЕ УСТРОЙСТВО, СПОСОБ И НОСИТЕЛЬ ЗАПИСИ

СИСТЕМА И СПОСОБ ПЕРЕДАЧИ ИНФОРМАЦИИ О ВЫБОРЕ ПОДПРОСТРАНСТВА

УСТРОЙСТВО, СИСТЕМА И СПОСОБ БЕСПРОВОДНОЙ СВЯЗИ ЧЕРЕЗ МНОЖЕСТВЕННЫЕ АНТЕННЫЕ КОМПЛЕКТЫ

... 1. Устройство, включающее в себяблок беспроводной связи для передачи и приема сигналов через один или более квазивсенаправленных антенных комплектов,причем блок беспроводной связи предназначен для передачи, через каждый квазивсенаправленный антенный комплект, множества первых передач, для приема, в ответ на первые передачи, множества вторых передач от другого устройства через один или более квазивсенаправленных антенных комплектов, и для выбора на основании вторых передач, по меньшей мере, одного выбранного передающего антенного комплекта для передачи на другое устройство и выбранного приемного антенного комплекта для приема передач от другого устройства.2. Устройство по п.1, в котором каждый квазивсенаправленный антенный комплект включает в себя, по меньшей мере, один сектор передающей антенны, и блок беспроводной связи предназначен для передачи множества первых обучающих пакетов через каждый сектор передающей антенны каждого квазивсенаправленного антенного комплекта и для выбора на основании ...

Selbst anpassendes Millimeterwellen-Netzwerk

System und Verfahren zum Anpassen eines Netzwerks von Millimeterwellen-Kommunikationsknoten an sich ändernde Bedingungen. Das System erkennt einen sich ändernden Zustand und schließt daraus, dass das Netzwerk angepasst werden muss. Im Ergebnis wechselt das System im Wesentlichen augenblicklich zwischen einer aktuellen Netztopologie zu einer neuen Netztopologie, indem jeder von mehreren Millimeterwellen-Kommunikationsknoten angewiesen wird, den jeweiligen Millimeterwellenstrahl elektronisch von dem aktuellen Zielknoten zu einem anderen Ziel hin zu lenken Knoten. Das Endergebnis ist, dass mehrere Strahlen innerhalb einer kurzen Zeit die Richtung wechseln und so zur neuen Netztopologie wechseln, ohne die laufende Kommunikation zu beeinträchtigen. In einigen Ausführungsformen wird der Übergang zwischen den Netzwerktopologien auf systematische Weise mehrmals durchgeführt, um im Allgemeinen eine optimale Netzwerktopologie zu finden und nicht als Antwort auf eine sich ändernde Bedingung. In einigen ...

VERWENDUNG VON ANTENNENGRUPPEN IN EINER MEHRWEGUMGEBUNG

Relay

Improvements in and relating to maritime communication systems

Braring calculation

A rotable antenna apparatus

A rotatable antenna apparatus 10 comprises antenna signal processing means 35 mounted on a thermally conductive shaft 40 which is thermally coupled between the components of the signal processing means 35 and a heat sink 50 located within a fixed location relative to the rotatable shaft 40. An antenna assembly 30 is coupled to the signal processing means 35. A thermally conductive coupling structure 45 may be provided between the components and the shaft 40 which may include an elongate member which extends into a recess in the shaft and into a recess within a component interface structure 45. The component interface structure 45 may be formed in two parts which are connected together to sandwich a portion of the elongate member. A thermal paste may be applied between the elongate member and the component interface structure 45. The elongate member may comprise a heat pipe. A heat pad may be used between the one or more components and the component interface structure 45. The shaft 40 may ...

A rotable antenna apparatus

A rotatable antenna apparatus comprising; a fixed unit 20 for attachment of the apparatus to an external structure, and a rotatable unit 60 mounted on the fixed unit and comprising an aerial assembly 65 and processing circuitry 65 coupled to the antenna assembly for performing signal processing operations. An interface unit is coupled to both the fixed unit and the rotatable unit, and is used to route a cable to provide a wired connection from the fixed unit to the processing circuitry. The interface unit includes a cable housing 50 within which a length of the cable is enclosed in a coiled arrangement. A control mechanism constrains the amount to which the length of cable is wound and unwound within the cable housing so as to inhibit application of a stretching stress on the cable during rotation of the rotatable unit. Preferably the length of cable moves between an inner coil configuration (figure 4A) and an outer coil configuration (figure 6A). The cable housing may include a rotatable ...

Node role assignment in networks

There is provided a node for use in a network, the node comprising: communication circuitry to communicate with a management server. Bootstrap circuitry initially identifies an intermediate node from at least one available node in the network in response to the communication circuitry being unable to communicate with the management server directly. The communication circuitry is arranged to communicate with the management server indirectly via the intermediate node when unable to communicate with the management server directly. Role assignment circuitry assigns a role to be performed by the node in the network based on whether the communication circuitry communicates with the management server directly, or indirectly via an intermediate node. Embodiments describe use within a wireless feeder network where the nodes may be a Feeder Base Station or Feeder Terminal.

Alignment of high gain antennas

Relay

A device in a cellular communications network acts as a relay to provide a backhaul link between a small cell and the same, or separate, network. The device may have User Equipment UE functionality. In one aspect, the device acts as a relay between a first base station and a network. The device detects signals transmitted by base stations in the network, identifies and excludes the first base station, selects one of the remaining base stations based on the properties of the detected signals and establishes a connection with the selected base station. This connection then forms the backhaul link for the first base station, via the relay device. In another aspect the device causes the first base station to interrupt its transmissions while the device detects signals from other base stations. In another aspect, a control device initiates suppression of transmit signals from base stations while detecting signals transmitted from the remaining base stations. This allows a device to be deployed ...

Communication system

A communication system is disclosed in which a base station serves a communication area, wherein the communication area is formed by a plurality of directional beams each covering a respective portion of the communication area and each having a different respective beam identifier. The base station communicates control information, for a communication device (UE), using at least one directional beam associated with that communication device (e.g. a UE-specific operational beam set, OBS). Control information comprises beam specific reference signals transmitted via each beam. The base station is operable to receive from at least one UE results of OBS specific measurements (e.g. channel state indicator, CSI, measurements) for beams that are included in the OBS for that UE, and operable to control a handover for a particular communication device based on at least one of: the OBS associated with that UE and beam specific reference signals. The base station may comprise a massive antenna for ...

Method and apparatus for an access point in a point to multipoint wireless network

An access point 1 for use in a point to multipoint wireless network comprises a sector antenna 8 and an antenna array 7. A beamformer 10 forms a beam 11 from signals received at the antenna array. A selector switch 5 is switchable to connect either the beamformer or the sector antenna to a first receiver 2. A scheduler 6 controls the selector switch 5 such that the sector antenna is connected to the first receiver during a first receive timeslot and the beamformer is connected to the first receiver during a second receive timeslot. In one embodiment (Fig. 8) the sector antenna is activated in selected timeslots to enable the detection of radar so that communication carrier frequencies can subsequently be adapted to avoid interference with the radar. In another embodiment (Fig. 7) the invention allows the adaption of the beamformer whilst receiving a desired signal using the sector antenna. There may be a second receiver 3 for receiving signals with an orthogonal polarisation to the first ...

Establishing wireless communication in a system forming a beam by selecting from a pre-determined plurality of antenna weight vectors

Wireless communication is established between a first station (8, Fig. 3) and a second station (9, Fig. 3). The first station (8) has an antenna array for beamforming using antenna weight vectors selected from a pre-determined plurality of antenna weight vectors. The orientations of projections of the beams are arranged in a grid comprising a plurality of rows. The beams of each row are spaced in angular position such that the beams in any given row are positioned mid-way between the positions of two beams on each adjacent row. The grid can thus be viewed as a collection of equilateral triangles. A beam search operation involves initially transmitting a first subset of beams from the grid (indicated by circles in Fig. 8) sequentially in time. When a first one of these beams 38 is successfully received, the beam search operation proceeds to a second stage involving the transmission of a second subset of beams, comprising beams adjacent to the successfully received beam (indicated by squares ...

ANTENNA BEAM MANAGEMENT AND GATEWAY DESIGN FOR BROADBAND ACCESS USING UNMANNED AERIAL VEHICLE (UAV) PLATFORMS

ANTENNA BEAM MANAGEMENT AND GATEWAY DESIGN FOR BROADBAND ACCESS USING UNMANNED AERIAL VEHICLE (UAV) PLATFORMS

SDMA ORGANIZATION BY ASSORTMENT OF THE LIST REGULATORY BY USER TERMINALS INTO THE ORDER OF YOUR ANGLE OF INCIDENCE AND PARTITIONING INTO SORTED UNTERLISTEN

Uplink multiple-input multiple-output (MIMO) scheduling using beamformed reference signals

Aspects of the present disclosure provide methods and apparatus for selecting beamforming parameters for uplink transmissions based on an uplink reference signal. An example method generally includes identifying one or more parameters for beamformed transmission to a transmit receive point (TRP), transmitting a reference signal using beamforming in accordance with the identified parameters, and receiving, from the TRP in response to the reference signal, signaling for adjusting the one or more parameters for one or more subsequent beamformed transmissions.

Communication device and communication method

A communication device comprises: a PHY transmission circuit which generates a PHY frame that uses either a short Sector Sweep frame or a Sector Sweep frame; and a transmission array antenna which, on the basis of the PHY frame, selects any sector from among a plurality of sectors, and transmits the PHY frame. The PHY transmission circuit generates the short Sector Sweep frame including an abbreviated address of the address of a transmission source communication device and the address of a transmission destination communication device. The abbreviated address is a value obtained by the address of the transmission source communication device and the address of the transmission destination communication device being scrambled on the basis of any field included in the PHY frame, and further calculated using a hash function.

Transmission configuration and format for random access messages

Wireless communications systems and methods related to performing random access procedures. A base station (BS) receives, from a user equipment (UE), a plurality of random access preambles from a plurality of beam directions, wherein each of the plurality of random access preambles is received from a different beam direction, and wherein the plurality of random access preambles are associated with multiple random access opportunities of a random access attempt. The BS sends, in response to the plurality of random access preambles, a plurality of random access response (RAR) messages in the plurality of beam directions.

Electronic device and method for wireless communication system, and storage medium

The disclosure relates to an electronic device and method for a wireless communication system, and a storage medium. Various embodiments regarding beam management are described. In one embodiment, an electronic device for a base station side in a wireless communication system can comprise a processing circuit system. The processing circuit system can be configured to repeatedly send a synchronous signal to a terminal device by utilising different transmission beams based on a transmission beam configuration, the synchronous signal can indicate transmission beam information used for sending the synchronous signal. The processing circuit system can be configured to acquire feedback from a terminal device, and the feedback can comprise transmission beam information for managing a transmission beam.

Method and device for transmitting uplink signal

The present application provides a method and device for transmitting an uplink signal, capable of ensuring communication quality when a terminal device transmits an uplink signal corresponding to a downlink signal to a network device. The method comprises: the terminal device receives the downlink signal transmitted by the network device; the terminal device determines the spatial-related information of the uplink signal corresponding to the downlink signal according to at least one TCI state of the downlink signal; the terminal device transmits the uplink signal corresponding to the downlink signal to the network device according to the spatial-related information.

System and method for indicating wireless channel status

A method for operating a user equipment includes receiving a first frame on a first channel associated with a first beam identified during a beam failure recovery procedure, and determining that an assumed quasi-co-located relationship exists between the first channel and the first beam, and based thereon, decoding the first frame in accordance with a first reference signal on the first channel and using a first spatial domain receive filter that was used to decode the first beam.

Method and apparatus for antenna mapping selection in MIMO-OFDM wireless networks

Apparatus and method for selecting best beam in wireless communication system

An apparatus and method for selecting the best beam in a wireless communication system are provided. An operation of a Base Station (BS) includes repeatedly transmitting reference signals beamformed with a first width, receiving a feedback signal indicating at least one preferred-beam having the first width from at least one terminal, determining a direction range within which reference signals beamformed with a second width are to be transmitted and a transmission pattern, based on the at least one preferred-beam having the first width, repeatedly transmitting the reference signals beamformed with the second width within the determined direction range according to the transmission pattern, and receiving a feedback signal indicating at least one preferred-beam having the second width from the at least one terminal.

Apparatus and method for adaptive beam-forming in wireless communication system

Apparatuses and methods for maintaining an optimal beam direction in a wireless communication system are provided. The method for operating a receiving node in a wireless communication system includes, determining a first transmission beam is determined as a preferred transmission beam using a plurality of reference signals transmitted by a transmitting node, generating preferred transmission beam information, transmitting the preferred transmission beam information to the transmitting node, receiving transmissions from the transmitting node via the first transmission beam, and determining whether a change of a transmission beam is necessary. When the change of the transmission beam is determined to be necessary, generating a beam change request and transmitting the beam change request to the transmitting node.

Aperiodic and periodic CSI feedback modes for coordinated multi-point transmission

Coordinate multi-point (CoMP) transmission is facilitated by resolving collisions between feedback reporting. Based upon the conditions within the network, collision resolution may be by dropping a channel report during a subframe, multiplexing channel reports from a plurality of user equipment, compressing channel reports from a plurality of user equipment, and combined reporting, either through joint reports or by using carrier aggregation, for conditions between a user equipment and a plurality of transmission points. New signaling and reporting formats facilitate selection of a collision resolution suitable for current network conditions.

Control channel design for many-antenna MU-MIMO systems

Disclosed embodiments include methods for control channel design in many-antenna multi-user (MU) multiple-input multiple-output (MIMO) wireless systems. A beacon comprising an identifier of a many-antenna base station is encoded into a base sequence. A plurality of synchronization sequences is generated based on the encoded base sequence and a set of orthogonal beam sequences. The many-antenna base-station transmits, using a plurality of antennas, the plurality of synchronization sequences in a plurality of beam directions associated with the set of orthogonal beam sequences for synchronization and associated with users without knowledge of channel state information (CSI).

Communication of uplink control information

Various aspects of the disclosure relate to communicating uplink control information. As one example, a user equipment may send uplink control information to a base station. In some aspects, the number of symbols used to communicate the uplink control information may be based on a link gain associated with the UE and/or based on a payload size of the uplink control information. As another example, the user equipment may send channel information for a number of beams to the base station. In some aspects, the number of beams may be based on the type of channel that is used to send the uplink control information.

Method for managing wave beam, terminal device and network device

Provided are a method for managing a wave beam, a terminal device and a network device. The method comprises: a terminal device sending, to a first network device, characteristic information about each wave beam in a first wave beam set, wherein the first wave beam set comprises at least one wave beam, and the characteristic information is used for the first network device to determine a target wave beam; the terminal device receiving indication information sent by the first network device, wherein the indication information is used for indicating the target wave beam determined by the first network device; and the terminal device performing wave beam management according to the target wave beam. In the embodiments of the present application, by means of sending characteristic information about a wave beam, a terminal device determines an optimal target wave beam for the terminal device, and then performs wave beam management according to the target wave beam, thereby improving the quality ...

Navigation and positioning system using radio beam

Methods and systems for wireless communication are provided. In one example, a method comprises: receiving (610), by a mobile device, a radio beam, the radio beam being a directional beam that propagates along an angle of departure with respect to an antenna that transmits the radio beam; identifying (620), by the mobile device, at least one of: the radio beam or a base station that operates the antenna; determining (640), by the mobile device, a position of the mobile device based on identifying at least one of the radio beam or the antenna of the base station; and outputting (650), by the mobile device, the position of the mobile device.

Beam reporting configuration for serving frequency measurements

A wireless device configured for performing beam measurements receives measurement reporting parameters configuring the wireless device for reporting measurements and determines, for each of one or more serving frequencies corresponding to a serving cell or a neighboring cell in the serving frequency, a number of beam measurements to be maintained. The wireless device determines the number of beam measurements to be maintained based on one or more measurement reporting parameters indicating a maximum number of beams to be reported per cell. The wireless device maintains beam measurements for each of the serving frequencies according to the corresponding determined number of beam measurements to be maintained, for reporting in a measurement report.(Fig. 4) ...

METHOD AND APPARATUS FOR UTILIZING A DIRECTIONAL BEAM ANTENNA IN A WIRELESS TRANSMIT/RECEIVE UNIT

A method and apparatus for utilizing a switched beam directional antenna in a wireless transmit/receive unit (WTRU) is disclosed. A wireless communication system includes a serving cell, a neighbor cell and a WTRU. The WTRU is configured to generate and steer a directional beam in a plurality of directions. Once the WTRU registers with the wireless communication system, the WTRU receives messages transmitted by the serving cell. The WTRU measures signal quality of messages received in each of a plurality of predetermined directions while steering the directional beam antenna. The WTRU selects a particular one of the directions having the best signal quality. As the WTRU constantly moves, the WTRU monitors signal quality in the selected direction, and switches to another direction when the signal quality in a current direction drops below a predetermined threshold.

METHOD AND APPARATUS FOR ANTENNA MAPPING SELECTION IN MIMO-OFDM WIRELESS NETWORKS

A method and apparatus for selecting an antenna mapping in multiple- in/multiple-out (MIMO) enabled wireless communication networks. A candidate set of currently available antenna mappings is determined based upon measured long term channel conditions. An antenna mapping is selected from the candidate set, and the mapping is calibrated with a selected antenna mapping of a receiving wireless transmit/receive unit (WTRU). When the selected mappings are calibrated, packet data transmission begins. In an alternative embodiment, a calibration training frame (CTF) is used to calibrate multiple antenna mappings simultaneously or sequentially. Also disclosed are physical layer and medium access control layer frame formats for implementing antenna mapping selection according to the invention.

ELECTRONIC DEVICE, METHOD APPLIED TO ELECTRONIC DEVICE, AND DATA PROCESSING DEVICE

The present disclosure provides an electronic device, a method applied to an electronic device, and a data processing device. The electronic device comprises: a processing circuit, wherein the processing circuit is configured to allow a cell to implement data transmission by using at least a portion of a time resource corresponding to an unused channel state information reference signal (CSI-RS) port, wherein the CSI-RS port is from a CSR-RS configuration different from a CSI-RS configuration of the cell.

BEAM AND SYMBOL SELECTION TO TRANSMIT RACH

Methods, systems, and devices for wireless communication are described. A user equipment (UE) may identify a number of beam directions that satisfy a transmission power condition. The UE may select a beam direction for a random access signal by choosing one of the beam directions that satisfies additional criteria, such as transmitting a random access message at the next opportunity. The transmission power may be selected based on a target receive power and a path loss for the selected beam. In some cases, if the sum of the path loss for a beam direction and the target receive power exceeds a maximum transmission power by more than a predetermined amount, the random access signal will not be transmitted using that beam. In some cases, if a response to the random access is not received, a different beam direction may be selected, the transmission power may be increased, or both.

TECHNIQUES FOR BEAM-BASED POWER CONTROL IN WIRELESS COMMUNICATIONS

Aspects of the present disclosure describe transmitting beams in wireless communications. A plurality of downlink beams having different beamforming directions can be received from a base station. Downlink pathloss values associated with each of the plurality of downlink beams can be measured. A transmit power for transmitting a plurality of uplink beams can be determined based on at least one of the downlink pathloss values. The plurality of uplink beams in multiple beamformed directions can be transmitted based on the transmit power.

COMMUNICATING WITH A MOBILE DEVICE

Aspects of the disclosure provide methods relating to communication between a radio access node and a mobile device. One method comprises selecting, based on the location of the mobile device, one of a plurality of antenna configurations for generating one of a corresponding plurality of beams in an antenna array, such that a first antenna configuration generating a first, relatively narrow beam is selected when the mobile device is relatively far from the radio access node, and a second antenna configuration generating a second, relatively wide beam is selected when the mobile device is relatively close to the radio access node. A second method comprises obtaining location information relating to the location of a mobile device along a predetermined path; and initiating a handover procedure based on the location of the mobile device.

USER TERMINAL, RADIO BASE STATION, AND RADIO COMMUNICATION METHOD

The purpose of the present invention is to achieve suitable communication in a next generation communication system. A user terminal according to one aspect of the present invention is characterized by having a reception unit that receives a synchronization signal, and a transmission unit that transmits a random access preamble using a sequence and/or a wireless resource determined on the basis of the synchronization signal.

BEAM SELECTION FOR UPLINK AND DOWNLINK BASED MOBILITY

Aspects of the present disclosure provide methods and apparatus for beam selection in uplink-based and downlink-based mobility scenarios, for example, for new radio (NR) systems which can improve handover reliability, reduce handover frequency, and improve power efficiency. Certain aspects provide a method for wireless communications by a user equipment (UE). The method generally includes transmitting an uplink reference signal with an indication of a preferred downlink beam and receiving a downlink transmission based, at least in part, on the uplink reference signal.

CHANNEL INFORMATION SENDING METHOD, DATA SENDING METHOD, AND DEVICE

A channel information transmission method, data transmission method, and apparatus, used to improve feedback accuracy for a pre-coding matrix. A first apparatus comprises: a receiving module used to receive a reference signal; a processing module used to measure the reference signal to obtain first channel information and second channel information; and a transmission module used to transmit the first channel information and the second channel information. The first channel information comprises identifying information of M first vectors, and M is an integer not less than 2. The second channel information comprises information of weighted combination factors for weighted combination of N first vectors in the M first vectors, and N is a positive integer not greater than M. The first channel information and the second channel information are used to construct a pre-coding matrix. When a second apparatus generates a pre-coding matrix, the second apparatus can perform, according to the weighted ...

SYSTEM AND METHOD FOR BEAM MANAGEMENT

A first apparatus may communicate with a user equipment (UE) through an active beam. The first apparatus may transmit, to the UE, information indicating a periodicity at which control information is to be communicated on a control channel through a control-information beam. The first apparatus may communicate, with the UE, the control information on the control channel through the control-information beam at the periodicity. Further, the first apparatus may receive a request to change the active beam, which may indicate a beam index corresponding to a second beam, and the first apparatus may change the active beam to the second beam corresponding to the beam index indicated by the request.

BEAM REFERENCE SIGNAL BASED NARROWBAND CHANNEL MEASUREMENT AND CQI REPORTING

When beamforming (e.g., via a millimeter wave system (mmW)) is used for wireless communication, a base station may transmit beams that are directed to certain directions. Due to the directional nature of the beams in the mmW system, an approach to determine a beam that provides a desirable gain is studied. The apparatus may be a user equipment (UE). The apparatus receives, from a base station, a plurality of signals through a plurality of beams of the base station, each of the plurality of beams corresponding to a respective antenna port of a plurality of antenna ports of the base station. The apparatus performs channel estimation for each beam of the plurality of beams from the plurality of antenna ports based on the plurality of signals. The apparatus transmits, to the base station, a feedback signal including information about one or more beams selected from the plurality of beams, the feedback signal further including one or more candidate uplink precoders.

METHOD AND SYSTEM FOR P2P COMMUNICATIONS AND DECENTRALIZED SPATIAL SHARING IN WIRELESS NETWORKS WITH DIRECTIONAL TRANSMISSIONS

Beamformed directional wireless communications are described that provide for spatial re-use that allows multiple pairs of peer-to-peer (P2P) links to communicate simultaneously over the same channel in the same spatial vicinity, without contention, and independent of centralized control. The spatial re-use improves network throughput by sharing spectrum resource among multiple links. Beamformed training includes obtaining best sector and least sector information by all stations. Prior to performing an independent P2P communication, antenna array sector information is checked, to assure that the sector to be selected is not impinging interference on other P2P interactions, then a request is made to a target station. The target station also refers to its sector information, and if no conflict is found it accepts and acknowledges the request, upon which it receives the P2P communication.

UPLINK TRANSMISSION METHOD, TERMINAL DEVICE AND NETWORK DEVICE

Provided are an uplink transmission method, a terminal device and a network device. The method comprises: a terminal device receives indication information sent by a network device, the indication information being used for indicating a beam corresponding to at least one uplink transmission channel of the terminal device, the beam corresponding to each uplink transmission channel being used for transmitting each uplink transmission channel; the terminal device performs an uplink transmission according to the indication information. The present invention solves the problem of uplink transmission failure caused by blocked beams.

TECHNIQUES FOR ESTABLISHING A BEAM PAIR LINK

Techniques are described herein for beam pair link procedures used in dual connectivity operations. A master base station may be configured to determine a timing window for a user equipment (UE) to monitor a downlink channel associated with a secondary base station. In some cases, the master base station may determine the timing window during a dual connectivity procedure or during a carrier aggregation procedure. The UE may monitor the downlink channel during the timing window and establish a beam pair link with the secondary base station based on the monitoring.

FAILURE RECOVERY IN WIRELESS COMMUNICATIONS

Wireless communications are described. Failure recovery associated with resource(s) may be used. A wireless device may select, based on a determined failure, a suitable candidate resource for cell(s), such as secondary cell(s). The wireless device may use the suitable candidate resource, such as a candidate beam, for an uplink channel transmission via a secondary cell, for example, until a new uplink channel configuration/activation is received.

METHOD AND DEVICE FOR TRANSMITTING DATA

The embodiments of the present application provide a method and device for transmitting data, said method comprising: a first device using a first transmission means to send first data to a second device, said first data being data sent autonomously by said first device; the first device using a second transmission means to retransmit the first data in full or in part, the first transmission means being different from the second transmission means. The method for transmitting data of the embodiments of the present application improves transmission reliability during retransmission.

ELECTRONIC DEVICE, METHOD AND STORAGE MEDIUM FOR WIRELESS COMMUNICATION SYSTEM

The disclosure relates to an electronic device and method for a wireless communication system, and a storage medium. Various embodiments regarding beam management are described. In one embodiment, an electronic device for a base station side in a wireless communication system can comprise a processing circuit system. The processing circuit system can be configured to repeatedly send a synchronous signal to a terminal device by utilising different transmission beams based on a transmission beam configuration, the synchronous signal can indicate transmission beam information used for sending the synchronous signal. The processing circuit system can be configured to acquire feedback from a terminal device, and the feedback can comprise transmission beam information for managing a transmission beam.

METHOD AND APPARATUS FOR DETERMINING A PRECODING MATRIX FOR PRECODING SYMBOLS TO BE TRANSMITTED TO A PLURALITY OF WIRELESS DEVICES

A method for determining a precoding matrix (P CM) for precoding symbols (s) to be transmitted to a plurality of wireless devices by a node of a wireless communication system is described. The precoding matrix (P CM, P) comprises a precoding vector (p k) for each wireless device of a plurality of wireless devices and each precoding vector (p k) comprises a precoding element (ej?i,k) for each transmit antenna of a plurality of transmit antennas of the node. Further, each precoding element (ej?i,k) represents a phase shifter being able to shift a phase of a symbol to be transmitted through the corresponding transmit antenna to the corresponding wireless device by a phase angle. The method comprises calculating a plurality of interference strength indicators for different phase angles (?). The different phase angles are applied successively to a precoding element (ej?i,k) of a precoding vector (p k) for the calculation of the interference strength indicators. An interference strength indicator ...

MEASUREMENT SUPPORT FOR A SMART ANTENNA IN A WIRELESS COMMUNICATION SYSTEM

Uplinksignal transmit power control

Antenna beam search method and device

OPERATING A TERMINAL DEVICE AND A BASE STATION IN A WIRELESS MIMO SYSTEM

Access point using directional antennas for uplink transmissions in a WLAN

An access point receives uplink transmissions from client stations using directional antenna beams. The directional antenna beams are generated by an antenna array. The different directional antenna beams are assigned beam identification numbers, and a preferred antenna beam is selected for each client station. The client stations in the different antenna beam regions initiate their uplink transmissions using assigned backoff slots within the contention window. The access point selects the preferred directional antenna beam corresponding to the directional antenna beams assigned to the backoff slots.

Systems and methods for beamformed uplink transmission

NON-UNIFORM TRANSMISSION OF SYNCHRONIZATION SIGNALS

Management technology of wireless network mobile process

Method for directing antenna beam, and transceiver in a mobile communication system

The wireless base station, a user terminal, the wireless communication system and a wireless communication method

Beam detection method and device

For support in the cellular network in antenna beam forming system and method

The signaling message synchronization

METHODS FOR RECEIVING AND TRANSMITTING, RECEIVER AND TRANSMITTER OF A WIRELESS COMMUNICATION SYSTEM

MEASUREMENT SUPPORT FOR A SMART ANTENNA IN A WIRELESS COMMUNICATION SYSTEM

... 다수의 STA를 갖고 있는 무선 통신 시스템 내에서 스마트 안테나로 측정을 행하는 방법은 제1 STA에서 제2 STA로 측정 요청을 보냄으로써 시작된다. 최소한 2개의 측정 패킷은 제2 STA에서 제1 STA로 송신된다. 각각의 측정 패킷은 상이한 안테나 빔을 사용하여 제1 STA에서 수신된다. 제1 STA는 각각의 측정 패킷 상에서 측정을 실행하고, 측정 결과에 기초하여 안테나 빔 방향을 선택한다.

METHOD AND APPARATUS FOR SELECTING BEAM DIRECTION IN BEAMFORMING SYSTEM

다중안테나 시스템에서 다중 섹터 협력 전송을 위한 송신 빔포밍과 다중 사용자 스케줄링 방법 및 장치

... 다중안테나 시스템에서 다중 섹터 협력 전송을 위한 송신 빔포밍 방법에 있어서, 채널 환경에 따라 섹터 경계 사용자들의 전송모드를 결정하는 과정과, 상기 사용자의 전송모드를 기반으로, 다중 사용자들을 지원할 수 있는 다중 섹터 협력 송신 빔을 결정하는 과정과, 상기 결정된 다중 섹터 협력 송신 빔을 고려하여, 다중 섹터 협력 빔포밍을 위한 사용자 조합을 결정하는 과정과, 상기 결정된 사용자 조합으로, 섹터 협력 송신 빔포밍을 수행하는 과정을 포함하여, 전체 시스템 용량을 향상시킬 수 있다.

Beamforming scheduling in a distributed network

균일한 ＷＬＡＮ 다중-ＡＰ 물리 계층 방법

... 섹터화된 송신에서의 트레이닝 및 피드백에 대한 방법 및 장치가 개시된다. IEEE 802.11 스테이션은 AP로부터 섹터 트레이닝 공지 프레임을 수신할 수 있다. 스테이션은 그 후 AP로부터 복수의 트레이닝 프레임들을 수신할 수 있으며, 여기에서 복수의 트레이닝 프레임들 각각은 짧은 프레임간 간격(short interframe space; SIFS)만큼 분리되고, 복수의 트레이닝 프레임들 각각은 상이한 섹터화된 안테나 패턴을 이용하여 수신된다. 스테이션은 복수의 트레이닝 프레임들에 기초하여 섹터를 표시하는 섹터 피드백 프레임을 생성할 수 있다. 스테이션은 섹터 피드백 프레임을 AP에 전송할 수 있다. 섹터 피드백 프레임은 섹터화된 송신에 등록하기를 원하다고 표시할 수 있다. 대안으로, 섹터 피드백 프레임은 섹터들을 변경하기를 원한다고 표시할 수 있다.

빔포밍 트레이닝을 위한 상호성 검출 및 활용 기술

... 빔포밍 트레이닝을 위한 상호성 검출 및 활용 기술이 설명된다. 일 실시예에서, 예를 들어, 장치는 적어도 일부가 하드웨어인 로직을 포함하는 스테이션(STA)을 포함할 수 있는데, 상기 로직은, 개시자 송신 섹터 스윕(TXSS)을 수행하여 개시자 송신(TX) 섹터를 선택하고, 상기 선택된 개시자 TX 섹터를 사용하여 빔포밍 상호성 테스트를 수행하고, 상기 빔포밍 상호성 테스트의 결과에 기초하여 상기 개시자 TX 섹터에 대한 상호적 개시자 수신(RX) 섹터를 사용하는 방향성 수신을 수행할지 여부를 판정한다. 상이한 실시예들은 설명되고 청구된다.

상위 대역 밀리미터파 무선 통신들에서 빔 실패 복원 지원

... 제1 무선 디바이스 및 제2 무선 디바이스가 제1 빔 및 제2 빔을 사용하여 통신들을 설정할 수 있는, 무선 통신들을 위한 방법들, 시스템들 및 디바이스들이 설명된다. 제1 무선 디바이스는 제2 무선 디바이스와의 통신들에 사용되는 송신 빔 및 수신 빔 각각에 대한 빔 품질을 모니터링하기 위해 별개의 라디오 링크 모니터링(RLM) 절차들을 수행할 수 있다. 송신 빔 또는 수신 빔 중 하나가 품질 저하 또는 라디오 링크 실패(RLF)를 경험하고 있다고 결정하기 위해 제1 무선 디바이스에서 별개의 RLM 절차들이 사용될 수 있으며, RLF 표시가 제2 무선 디바이스에 제공될 수 있다.

무선 통신 시스템에서 IAB 노드의 빔 운영을 위한 장치 및 방법

... 본 개시는 4G 시스템 이후 보다 높은 데이터 전송률을 지원하기 위한 5G 통신 시스템을 IoT 기술과 융합하는 통신 기법 및 그 시스템에 관한 것이다. 본 개시는 5G 통신 기술 및 IoT 관련 기술을 기반으로 지능형 서비스 (예를 들어, 스마트 홈, 스마트 빌딩, 스마트 시티, 스마트 카 혹은 커넥티드 카, 헬스 케어, 디지털 교육, 소매업, 보안 및 안전 관련 서비스 등)에 적용될 수 있다. 본 개시의 실시 예에 따른 IAB(integrated access and backhaul) 노드에서 빔을 통한 송수신 방법 및 장치를 제공할 수 있다.

Radio transmission control method, radio receiver apparatus, and radio transmitter apparatus

Conventionally, if the number of transmission antennas is greater than that of reception antennas, different signals simultaneously transmitted from the transmission antennas cannot be separated from one another at the receiving end, resulting in a significant degradation of received-signal quality. A transmitter and a receiver each have a plurality of antennas. The transmitter transmits a pilot signal. The receiver receives the pilot signal, calculates transmission-related information corresponding to the pilot signal, selects, based on this calculated information, a transmission signal to be used by the transmitter, and notifies the transmitter of the selected signal. The transmitter selects, from the informed transmission signal, transmission antennas and uses the selected antennas to transmit information signals, so that a signal separation can be easily performed at the receiving end.

Mu-mimo access point and user station including methods for multi-user group management

Embodiments of a MU-MIMO access point, user station and method for multi-user group management are generally described herein. In some embodiments, a MU-MIMO access point may assign a MU group identifier (GID) and a group member index (GMI) to each of a plurality of associated user stations. The MU-MIMO access point may transmit a MU-MIMO transmission that includes a plurality of spatial streams. The MU-MIMO transmission may be destined for the user stations of a single MU group indicated by a GID that is included within the MU-MIMO transmission. A subset of the spatial streams may be intended for each user station of the indicated MU group that is identified by the GID transmitted within the MU-MIMO transmission. A user station may use its assigned GMI along with an N sts field in the MU-MIMO transmission to determine which of the spatial streams to demodulate.

Communication device and method for generating beamforming link

A communication device which generates a beamforming link between the communication device and an external device is provided. The communication device includes: a beamforming link generating unit which generates a first beamforming link between a first antenna of a plurality of antennas of the communication device and the external device, and which generates a second beamforming link between a second antenna of the plurality of antennas of the communication device and the external device; and a transmission unit which transmits data to the external device via each of the first beamforming link and the second beamforming link.

METHOD AND DEVICE FOR SEND BEAMFORMING AND MULTIPLE USER SCHEDULING FOR MULTIPLE SECTOR COOPERATIVE TRANSMISSION IN A MULTIPLE ANTENNA SYSTEM

A Tx beamforming method for multi-sector cooperative transmission in a multi-antenna system includes determining a transmission mode of sector boundary users according to a channel condition; determining a multi-sector cooperative Tx beam for supporting multiple users, based on the transmission mode of the user; determining a user combination for multi-sector cooperative beamforming by considering the determined multi-sector cooperative Tx beam; and performing sector cooperative Tx beamforming with the determined user combination. Thus, the overall system capacity can be enhanced. 1. A transmit (Tx) beamforming method for multi-sector cooperative transmission in a multi-antenna system , the method comprising:determining a transmission mode of sector boundary users according to a channel condition;determining a multi-sector cooperative Tx beam for supporting multiple users based on the transmission mode of the sector boundary users;determining a user combination for multi-sector cooperative beamforming by considering the determined multi-sector cooperative Tx beam; andperforming sector cooperative Tx beamforming with the determined user combination.2. The Tx beamforming method of claim 1 , wherein determining the transmission mode of the sector boundary users according to the channel condition comprises:determining a first maximum Signal-to-Interference plus Noise Ratio (SINR) when a user operates in a first transmission mode, and a second maximum SINR when the user operates in a second transmission mode; anddetermining the transmission mode by comparing the first maximum SINR and the second maximum SINR,wherein the first transmission mode is selected when the first maximum SINR is greater than the second maximum SINR, and the second transmission mode is selected when the first maximum SINR is smaller than the second maximum SINR.3. The Tx beamforming method of claim 2 , wherein the first transmission mode is an Instantaneous channel Sector Cooperation (ISC) mode ...

Wireless transmission method, and wireless transmitter and wireless receiver

A wireless transmitter capable of transmitting a data stream to a wireless receiver, the wireless transmitter includes a plurality of transmitting antennas; and a scheduler controls to increase the number of candidate beams selectable for transmitting said data stream depending on the number of data streams to be transmitted from said transmitting antennas becoming small, wherein said beams are formed by predetermined number of the plurality of transmitting antennas.

Method and apparatus for tracking uplink beams in beamforming-based wireless communication system

A method and apparatus perform Uplink (UL) beam tracking in a beamforming-based wireless communication system. A Mobile Station (MS) repeatedly transmits code sequences mapped respectively to MS transmit beams through each MS transmit beam as many times as the number of Base Station (BS) receive beams while sweeping the MS transmit beams. The MS receives, from a BS, transmit beam information indicating at least one best transmit beam selected from the MS transmit beams by the BS, and allocation information used to allocate UL resources for UL feedback. The MS transmits best beam information indicating the at least one best transmit beam and a MS identifier to the BS using the UL resources.

Methods and apparatus of enhancing performance in wireless communication systems

Methods and apparatus for supporting and using multiple communications channels corresponding to different transmit technologies and/or access technologies in parallel within a cell of a wireless communications system are described. Mobile nodes support multiple technologies and can switch between the technology being used at a particular point in time, from a first channel corresponding to a first technology to a second channel corresponding to a different technology which provides better transmission characteristics, e.g., a better perceived channel quality. Mobiles maintain at least two sets of channel quality information at any one point in time. Mobiles select the better channel and communicate the channel selection to the base station or communicate channel quality information for multiple channels to the base station and allow the base station to select the channel corresponding to the technology providing the better conditions for the mobile. Different mobiles in the same cell may support different technologies.

Wireless communication device and wireless communication method

A wireless communication device transmits and receives a signal by a wireless communication using a millimeter wave frequency band. The wireless communication device includes an antenna section having directivities in a plurality of different directions, an antenna control section adapted to form a directivity in a prescribed direction among the plurality of directivities of the antenna section, a direction and position estimation section adapted to estimate direction and position information of a wireless communication device to be communicated with, which is a target for the wireless communication, in accordance with a receiving signal received by the antenna section having the directivity formed, and a display section adapted to display the estimated direction and position information of the wireless communication device to be communicated with.

Radio Base Station and Method Therein for Transmitting a Data Signal to a User Equipment in a Radio Communications Network

Embodiments herein relate to a method in a radio base station ( 12 ) for transmitting a data signal to a user equipment ( 10 ) in a radio communications network. The radio base station ( 12 ) is connected to an active antenna array of a number of active transmitting antennas and the radio base station ( 12 ) serves the user equipment ( 10 ) in the radio communications network. Each active transmitting antenna comprises sub elements. The radio base station ( 12 ) transforms a precoded data signal using a transformation, which transformation directs signals vertically. Furthermore, the radio base station ( 12 ) transmits the transformed data signal over at least one sub element to the user equipment ( 10 ). The transmitted data signal is enabled to be directed vertically, and the transformed data signal is limited to be transmitted in a direction within a range of elevation angles.

Method and apparatus for determining a precoding matrix for precoding symbols to be transmitted to a plurality of wireless devices

In a method for determining a precoding matrix for precoding symbols to be transmitted to a plurality of wireless devices by a node of a wireless communication system the precoding matrix comprises a precoding vector for each wireless device of a plurality of wireless devices, each precoding vector having a precoding element for each transmit antenna of the node. Each precoding element represents a phase shifter for phase shifting a phase of a symbol to be transmitted. A plurality of interference strength indicators for different phase angles is calculated based on the precoding matrix. Further, for the precoding element of the precoding vector a phase angle is selected which corresponds to a calculated interference strength indicator fulfilling a predefined interference strength criterion.

Communication method and apparatus using analog and digital hybrid beamforming

A communication method and apparatus using analog and digital hybrid beamforming are provided. The method includes receiving a first message including a measurement and selection condition for hybrid beamforming from a Base Station (BS), measuring channels of a plurality of BS transmission beams, selecting at least one BS transmission beam based on channel measurements, transmitting report information about the selected at least one BS transmission beam to the BS, receiving from the BS a second message, estimating an effective channel matrix for the selected final BS transmission beam according to the measurement and report condition, determining feedback information for digital beamforming of the BS based on the effective channel matrix, transmitting the determined feedback information to the BS, and receiving a data burst from the BS according to a Multiple Input Multiple Output (MIMO) mode and/or a configuration scheduled based on the feedback information.

Scheme for performing beamforming in communication system

A method of performing beamforming in a base station is provided. The method includes receiving random access channel signals transmitted in one or more transmit beams from a terminal, using one or more receive beams, determining at least one best transmit beam from the one or more transmit beams and at least one best receive beam from the one or more receive beams, and transmitting information about the best transmit beam and the best receive beam to the terminal.

Methods and apparatus for uplink timing alignment in system with large number of antennas

A mobile station is configured to perform a method for uplink timing alignment in a wireless network. The method includes receiving a first downlink synchronization signal from a base station on a first beam pair at a first time associated with a first propagation delay. The method also includes receiving a second downlink synchronization signal from the base station on a second beam pair at a second time associated with a second propagation delay. The method further includes determining a second timing advance for the second beam pair based on a known first timing advance for the first beam pair and a time difference between the first time and the second time.

Methods and apparatus for cyclic prefix reduction in mmwave mobile communication systems

To reduce the duration of a cyclic prefix used for a multiple input, multiple output (MIMO) communications channel, delay spread variations for different transmit/receive beam pair combination is estimated and used for fast beam switching and to support single user MIMO (SU-MIMO) even when the CP difference between two beams is large. Beam switching reference signals are employed to estimate delay spread exceeding current CP, and to support beam switching. CP covering sub-clusters within clusters for the MIMO channel are exploited to reduce the CP requirement and improve efficiency. Any one of a number of different CP durations may be selected for each different mobile station, using one of a finite set of subframe configurations for which the CP durations of different symbol locations within the subframe are predefined. Dynamically switching subframe configurations by the system accommodates high mobility.

Smart Antenna With Multiple Round Selection

A smart antenna system for communicating wireless signals between a mobile device and a plurality of fixed base stations using different channels and beams. The system comprises a control subsystem, a radio transceiver and an antenna subsystem, providing a plurality of beams. Each beam has a main lobe, one or more nulls, and one or more lateral and back lobes with at least some attenuation, so as to reduce interference. The system performs scanning of different combinations of base stations, channels and beams using one or more test links established with one or more of the fixed base stations. The test links use at least some of the different channels and the different beams, select a first combination of base station, channel and beam based on the scanning, and establish a first operating link for transmitting a wireless signal to the selected base station using the selected channel and beam.

Wireless power transmission

Wireless power transmission methods, wireless power transmitters, wireless power receiving method, and wireless power receivers are disclosed. Wireless power is transmitted using power signal comprising a multi-sine waveform within a bandwidth to drive a plurality of antennas. Beam-forming coefficients are generated and the relative phases of the power signal used to drive the antennas is controlled by the beam-forming coefficients.

BEAM RECOVERY FOR PARTIAL CONTROL CHANNEL FAILURE

Various embodiments disclosed herein provide for a beam recovery when there has been a partial control channel failure. Transient obstructions, and other interference effects can cause the failure of a beam pair link which can comprise a transmit beam and a receive beam associated with respective antennas on a transmitter and receiver. A group of control channels (downlink control channels) (configured as a control resource set “CORESET”) on a group of beam pair links can be associated with a group of uplink control resources (Physical Uplink Control Channel resources). When a subset of the CORESET group fails, the user equipment (UE) device can find another PUCCH that is associated with a working CORESET to send an indication to the network about the failure. When the network receives the indication, the network can switch the failed CORESET to a new beam pair link. 1. A method , comprising:determining, by a user equipment comprising a processor, that a downlink control channel of a beam pair link has met a failure criterion; andpredicting, by the user equipment, that an uplink control channel of the beam pair link is likely to fail based on the downlink control channel having met the failure criterion.2. The method of claim 1 , further comprising claim 1 , in response to the predicting claim 1 , switching claim 1 , by the user equipment claim 1 , from the uplink control channel to another uplink control channel other than the uplink control channel of another beam pair link other than the beam pair link.3. The method of claim 1 , wherein the determining that the downlink control channel has met the failure criterion is based upon a signal strength of the downlink control channel.4. The method of claim 1 , wherein the determining that the downlink control channel has met the failure criterion is based upon a signal to interference and noise ratio of the downlink control channel.5. The method of claim 1 , wherein the determining that the downlink control channel has ...

METHODS, APPARATUS AND MACHINE-READABLE MEDIUMS RELATING TO ADJUSTING BEAM GAIN IN WIRELESS COMMUNICATION NETWORKS

A method for adjusting beam gain in a radio network node. The method comprises: obtaining a channel estimate based on a reference signal transmitted by a target wireless device; applying a set of weights to the channel estimate to obtain a weighted channel estimate; and outputting the weighted channel estimate for use in determining beamforming weights to be applied to signals output to a plurality of antenna elements for transmission to the target wireless device, wherein the beamforming weights are determined as a function of the weighted channel estimate. 1. A method for adjusting beam gain in a radio network node , the method comprising:obtaining a channel estimate based on a reference signal transmitted by a target wireless device;determining a set of weights to be applied to the channel estimate, wherein said set of weights is determined so as to achieve a given reduction in beam gain, and wherein determining the set of weights comprises iteratively adjusting the set of weights until the given reduction in beam gain is achieved;applying the determined set of weights to the channel estimate to obtain a weighted channel estimate; andoutputting the weighted channel estimate for use in determining beamforming weights to be applied to signals output to a plurality of antenna elements for transmission to the target wireless device, wherein the beamforming weights are determined as a function of the weighted channel estimate.24-. (canceled)5. The method according to claim 1 , wherein the set of weights are initialized to a set of initial values to achieve the given reduction in beam gain assuming a flat channel.6. The method according to claim 5 , wherein the set of initial values is obtained from a table of predetermined values associated with given reductions in beam gain assuming the flat channel.7. The method according to claim 1 , wherein determining the set of weights comprises solving{'br': None, 'i': G', 'G−G, '(1)−Δ(ρ)=0'}where G(1) denotes a maximum beam ...

Directional direction selection method, apparatus, and system

Embodiments of the present invention disclose a directional direction selection method, apparatus, and system. The method includes: sending L groups of pilots in an omnidirectional direction manner, where the L groups of pilots are received by UE by using L directional directions, and the L groups of pilots are used by the UE to switch to a directional direction with best channel quality in the L directional directions; sending, by a base station, S groups of pilots by using S directional directions respectively; determining, by the base station, an optimal directional direction in the S directional directions according to the channel quality corresponding to the S groups of pilots; and switching, by the base station, to the optimal directional direction in the S directional directions.

BEAM-FORMING SELECTION

A method of a wireless communication access node is disclosed. The wireless communication access node is adapted to establish a wireless communication link to a wireless communication device by beam-formed transmission using a beam-forming alternative selected from a plurality of beam-forming alternatives each corresponding to a direction emanating from the wireless communication access node. The method comprises simultaneously transmitting two or more beacon signals having different respective predetermined content, wherein each beacon signal is transmitted using a respective one of the plurality of beam-forming alternatives and wherein the predetermined content of each beacon signal is associated with the direction corresponding to the respective beam-forming alternative. The method also comprises receiving a beacon reading report from the wireless communication device, wherein the beacon reading report is indicative of a reception quality at the wireless communication device of the two or more beacon signals, and selecting the beam-forming alternative for establishment of the wireless communication link based on the received beacon reading report. Corresponding arrangement, wireless communication access node and computer program product are also disclosed, as well as a method of a wireless communication device and corresponding arrangement, wireless communication device and computer program product. 1. A method of a wireless communication access node adapted to establish a wireless communication link to a wireless communication device by beam-formed transmission using a beam-forming alternative selected from a plurality of beam-forming alternatives each corresponding to a direction emanating from the wireless communication access node , the method comprising:simultaneously transmitting two or more beacon signals having different respective predetermined content, wherein each beacon signal is transmitted using a respective one of the plurality of beam-forming ...

HANDLING MULTIPLE TRANSMISSION OPPORTUNITIES IN A PAGING OCCASION

A method is provided for use in a network node in wireless communications network. The method includes determining, a plurality of transmission opportunities, TXOPs, in which to attempt to transmit a paging signal in a plurality of beams. The plurality of beams have a beam order. The method further includes assigning a predetermined number of the plurality of TXOPs to each beam of the plurality of beams, wherein none of the TXOPs is assigned to more than one beam. The method further includes performing at least one clear channel assessment, CCA, before transmitting the paging signal in one of the TXOPs. The method further includes transmitting the paging signal in a first beam of the plurality of beams using one of the plurality of TXOPs assigned to the first beam based on a first successful CCA covering the used TXOP. 1. A method for use in a network node in wireless communications network , the method comprising:determining a plurality of transmission opportunities, TXOPs, in which to attempt to transmit a paging signal in a plurality of beams, wherein the plurality of beams have a beam order;assigning a predetermined number of the plurality of TXOPs to each beam of the plurality of beams, wherein none of the TXOPs is assigned to more than one beam;performing at least one clear channel assessment, CCA, before transmitting the paging signal in one of the TXOPs; andtransmitting the paging signal in a first beam of the plurality of beams using one of the plurality of TXOPs assigned to the first beam based on a first successful CCA covering the used TXOP.2. The method of claim 1 , further comprising:in response to a failed CCA preventing the transmission of the paging signal in one of the TXOPs assigned to the first beam, using a later available TXOP of the plurality of TXOPs assigned to the first beam to attempt the transmission of the paging signals.3. The method of claim 1 , wherein assigning a predetermined number of the plurality of TXOPs to each beam of the ...

USER EQUIPMENT AND BASE STATION

The present disclosure relates to techniques for implementing cell selection suitable for 3D MIMO. One aspect of the present invention relates to user equipment, comprising: a transmission and reception unit configured to receive a reference signal list including precoded reference signals transmitted from a camped base station and an adjacent base station; a measurement unit configured to measure reception quality of the respective precoded reference signals in the received reference signal list; and a beam selection unit configured to select a beam to communicate with the camped base station or the adjacent base station based on the measured reception quality and indicate the selected beam to the camped base station or the adjacent base station. 1. User equipment , comprising:a transmission and reception unit configured to receive a reference signal list including precoded reference signals transmitted from a camped base station and an adjacent base station;a measurement unit configured to measure reception quality of the respective precoded reference signals in the received reference signal list; anda beam selection unit configured to select a beam to communicate with the camped base station or the adjacent base station based on the measured reception quality and indicate the selected beam to the camped base station or the adjacent base station.2. The user equipment as claimed in claim 1 , wherein the respective precoded reference signals in the reference signal list are associated with cell indices indicative of base stations transmitting the precoded reference signals claim 1 , and the beam selection unit selects the beam to communicate with the camped base station or the adjacent base station based on the measured reception quality as well as which of the camped base station or the adjacent base station is the transmitting base station.3. The user equipment as claimed in claim 1 , wherein the respective precoded reference signals in the reference signal list ...

System and method for wireless mobility protocol for highly directional antennas with network topology awareness

A system for communicating wireless signals between one or more sector controllers (SC) and one or more subscriber stations (SS) using different channels and different beams, wherein each of the one or more SS and the SC has a corresponding highly directional antenna; the one or more SC comprises a first SC; the one or more SS comprises a first SS; the first SS obtains network topology awareness (NTA) data from the first SC; the first SS selects a channel, a beam, and one of the one or more SC to establish an RF link based on the NTA data; and the first SS communicating with the selected SC using the established RF link.

METHOD AND APPARATUS FOR SCHEDULING IN A MULTI-INPUT MULTI-OUTPUT SYSTEM

The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). A method and an apparatus for grouping a plurality of beams into a plurality of beam groups in a wireless communication system supporting Multi-Input Multi-Output (MIMO) are provided. The method includes determining at least one preferred beam set, based on a channel between a plurality of transmission beams of a Base Station (BS) and a plurality of reception beams of a Mobile Station (MS), transmitting information on the at least one preferred beam set, to the BS, generating information indicating interference that at least one transmission beam of the BS exerts to the MS, based on a preferred reception beam comprised in the at least one preferred beam set, and transmitting the generated interference information to the BS. 1. A method for operating a terminal , the method comprising:receiving, from a base station (BS), configuration information regarding a first beam group and regarding a second beam group;receiving, from the BS, first signals transmitted using a first plurality of transmit (Tx) beams of the BS in the first beam group and second signals transmitted using a second plurality of Tx beams of the BS in the second beam group;transmitting, to the BS, first information regarding at least one first Tx beam of the BS identified among the first plurality of Tx beams based on the first signals; andtransmitting, to the BS, second information regarding at least one second Tx beam of the BS identified among the second plurality of Tx beams based on the second signals.2. The method of claim 1 , further comprising:identifying the at least one first Tx beam among the first plurality of Tx beams based on a channel quality for each of the first signals; andidentifying the at least one second Tx beam among the second plurality of Tx beams based on the ...

System and Method for Hybrid Beamforming Diversity

A system and method for hybrid beamforming diversity includes a method by a UE with one or more receive antenna ports, each of the receive antenna ports associated with a plurality of receive beam ports, the method comprising receiving, by the UE, information from a network indicating configurations of one or more transmit antenna ports, each of the transmit antenna ports associated with a plurality of transmit beam ports, the information further indicating a plurality of reference signals, receiving, by the UE, a subset of the reference signals, measuring, by the UE, receive signal quality for each of the subset of the reference signals, determining, by the UE, a selected receive beam port for each of the receive antenna ports, deriving, by the UE, one or more reporting sets, transmitting, by the UE, the one or more reporting sets to the network, and receiving, by the UE, a data transmission.

METHOD AND APPARATUS FOR MANAGING COMMUNICATION WHEN A SERVING BEAM BECOMES INVALID IN A WIRELESS COMMUNICATION SYSTEM

A method for a wireless communications system is disclosed. In one example, user equipment (UE) maintains at least one serving beam, and uses a serving beam to perform an uplink (UL) transmission of data. The data is stored in an uplink hybrid automatic repeat request (UL HARQ) buffer. When there is a failure to track the serving beam, a beam recovery procedure is initialized. After successful completion of the beam recovery procedure, the UE retransmits the data stored in the UL HARQ buffer. The UE prevents the data from being flushed from the UL HARQ buffer when the failure to track the serving beam occurs, so that the data can be retransmitted. 1. A method for a user equipment (UE) , comprising:maintaining at least one serving beam;performing an uplink (UL) transmission of data stored in an uplink hybrid automatic repeat request (UL HARQ) buffer;initiating a beam recovery procedure; andperforming an UL retransmission of the data stored in the UL HARQ buffer after successful completion of the beam recovery procedure.2. The method of claim 1 , wherein the beam recovery procedure includes transmitting a scheduling request.3. The method of claim 1 , wherein the beam recovery procedure is initiated in response to a beam tracking failure.4. The method of claim 3 , further comprising: determining that the beam tracking failure is detected if the UE determines that the at least one serving beam becomes invalid.5. The method of claim 4 , wherein the UE determines that the at least one serving beam becomes invalid if the UE does not receive a signal or an indication via the at least one serving beam within a predetermined period of time.6. The method of claim 4 , wherein the UE determines that the at least one serving beam becomes invalid if a timer expires or a counter reaches a predetermined value.7. The method of claim 3 , wherein the UE prevents the flushing of the UL HARQ buffer in response to the occurrence of the beam tracking failure.8. The method of claim 1 , ...

METHODS AND DEVICES FOR TRANSMITTING AND RECEIVING PILOT SIGNAL

The present disclosure provides methods and devices for transmitting and receiving a pilot signal, so as to reduce the number of antenna ports for transmitting the pilot signal and reduce pilot resource consumption. The method for transmitting the pilot signal includes: generating, by a base station, a pilot signal formed by a wide beam and a pilot signal formed by a plurality of narrow beams; and transmitting, by the base station, the pilot signals to a UE through at least one pre-configured first antenna port and at least one pre-configured second antenna port, the pilot signal formed by the wide beam being transmitted through the first antenna port, and the pilot signal formed by the plurality of narrow beams being transmitted through the second antenna port. 1. A method for transmitting a pilot signal , comprising:generating, by a base station, a pilot signal formed by a wide beam and a pilot signal formed by a plurality of narrow beams; andtransmitting, by the base station, the pilot signals to a User Equipment (UE) through at least one pre-configured first antenna port and at least one pre-configured second antenna port, the pilot signal formed by the wide beam being transmitted through the first antenna port, and the pilot signal formed by the plurality of narrow beams being transmitted through the second antenna port.2. The method according to claim 1 , wherein a pilot signal formed by a resultant beam of a plurality of narrow beams, beam directions of the plurality of narrow beams are orthogonal to each other, or', 'a pilot signal formed by a resultant beam of a plurality of narrow beams, beam directions of the plurality of narrow beams are at an angle above a first predetermined threshold to each other,, 'the pilot signal formed by the plurality of narrow beams comprisesthe wide beam and the narrow beams meet a condition that the wide beam covers the narrow beams having beam directions that are at an angle below a second predetermined threshold to each ...

ELECTRONIC DEVICE AND METHOD IN WIRELESS COMMUNICATION SYSTEM, AND WIRELESS COMMUNICATION SYSTEM

An electronic device at a base station end includes a processing circuit, the processing circuit being configured to: configure, in response to request signalling from a user equipment, an aperiodic beam-forming reference signal relevant to a first beam group for the user equipment, wherein the first beam group is determined by a base station according to channel state information periodically fed back by the user equipment; generate downlink control information, so as to indicate that the user equipment feeds back beam selection information according to the aperiodic beam-forming reference signal; determine, according to the beam selection information, one or a plurality of candidate beams and one or a plurality of corresponding second pre-coding codebooks; and determine an effective pre-coding codebook based on the one or multiple second pre-coding codebooks. 1. An electronic device at a user equipment end in a wireless communication system , the electronic device comprising processing circuitry configured to:estimate and report wideband channel state information to a base station in response to a wideband reference signal from the base station;determine whether a communication quality between the user equipment and the base station is lower than a predetermined threshold;transmit a quality report, in a case where it is determined that the communication quality is lower than the predetermined threshold, to the base station; andreceive, from the base station, subband reference signal and an estimation instruction for indication the electronic device to estimate subband channel state based on the subband reference signal;generate subband channel state information to be sent to the base station according to the subband reference signal, for the base station to determine an effective precoding codebook based on the subband channel state information.2. The electronic device according to claim 1 , the electronic device further comprising a transceiver configured to: ...

RESOURCE ALLOCATION FOR BEAM SWEEP

A method, system and apparatus are disclosed. In one example, a network node configured for performing dual beam sweep, the dual beam sweep including a physical downlink control channel (PDCCH) beam sweep and a corresponding physical downlink shared channel (PDSCH) beam sweep that are separated in time to each other. The network node is configured to, and/or including a radio interface and/or including processing circuitry configured to: configured to: indicate, in a PDCCH transmission within the PDCCH beam sweep, a time domain resource allocation for the corresponding PDSCH beam, the time domain resource allocation corresponding to an offset in time slots between the PDCCH beam and the corresponding PDSCH beam, the offset being one of a plurality of offsets that can be indicated for the corresponding PDSCH beam; and perform the dual beam sweep using at least in part the indication. 1. A network node for performing dual beam sweep , the dual beam sweep including a physical downlink control channel (PDCCH) beam sweep and a corresponding physical downlink shared channel (PDSCH) beam sweep that are separated in time to each other , the network node comprising processing circuitry configured to:indicate, in a PDCCH transmission within the PDCCH beam sweep, a time domain resource allocation for the corresponding PDSCH beam, the time domain resource allocation corresponding to an offset in time slots between the PDCCH beam and the corresponding PDSCH beam, the offset being one of a plurality of offsets that can be indicated for the corresponding PDSCH beam; andperform the dual beam sweep using at least in part the indication.2. The network node of claim 1 , wherein the time domain resource allocation comprises a plurality of time domain resource configurations and wherein each of the plurality of time domain resource allocations comprises an offset.3. The network node of claim 1 , further configured to determine to use an extended time resource allocation claim 1 , ...

System and Method for Beamed Reference Signal With Hybrid Beam

Described is an apparatus of an Evolved Node-B (eNB). The apparatus may comprise a first circuitry, a second circuitry, and a third circuitry. The first circuitry may be operable to associate a first Beam Reference Signal (BRS) for a first Transmit (Tx) beam having a first beamwidth with one or more second BRSes for one or more respectively corresponding second Tx beams having a second beamwidth. The second circuitry may be operable to generate a first BRS transmission carrying the first BRS, and to generate one or more second BRS transmissions carrying the one or more respectively corresponding second BRSes. The third circuitry may be operable to provide information regarding the first BRS and the second BRSes to the second circuitry. 1. An apparatus of an Evolved Node-B (eNB) operable to communicate with a User Equipment (UE) on a wireless network , comprising: associate a first Beam Reference Signal (BRS) for a first Transmit (Tx) beam with one or more second BRSes for one or more respectively corresponding second Tx beams;', 'generate a first BRS transmission to the UE carrying the first BRS based at least in part on the association of the first BRS with the one or more second BRSes; and', 'generate one or more second BRS transmissions to the UE carrying the one or more respectively corresponding second BRSes based at least in part on the association of the first BRS with the one or more second BRSes,', 'wherein the association of the first BRS with the one or more second BRSes is configured by at least one of: a Master Information Block (MIB) transmission, a System Information Block (SIB) transmission, a Primary Synchronization Signal (PSS) transmission, or a Secondary Synchronization Signal (SSS) transmission., 'one or more processors configured to2. The apparatus of claim 1 , wherein the association of the first BRS with the one or more second BRSes is predetermined.3. The apparatus of claim 1 , wherein the first Tx beam has a radial span substantially ...

Devices, Methods And Computer Programs For Two-Way Beam Failure Recovery In Wireless Communications

Example wireless communications methods and apparatus with two-way beam failure recovery are disclosed. One example method includes receiving a downlink beam failure recovery request by a network device from a client device indicating at least one new downlink candidate beam determined to replace at least one failed downlink beam. The network device detects at least one failed uplink beam, determines at least one new uplink candidate beam to replace the detected at least one failed uplink beam, and generates uplink redirection information indicating the determined at least one new uplink candidate beam. A response including the generated uplink redirection information is generated by the network device, and transmitted to the client device.

Techniques for configuring reference signals

Certain aspects of the present disclosure provide techniques for configuring reference signals. A method that may be performed by a user equipment (UE) includes receiving a control message indicating a first quasi co-location (QCL) for an aperiodic-tracking reference signal (A-TRS), the A-TRS being associated with a periodic-tracking reference signal (P-TRS), determining a second QCL for the P-TRS based on the first QCL for the A-TRS, setting a receive beam for reception of the P-TRS based on the second QCL of the P-TRS, and decoding one or more frames based on channel statistics estimated via the P-TRS received via the receive beam.

Method and apparatus for handover

A method and apparatus for handover is provided. In a network environment in which a plurality of beams are provided within a base station, a terminal measures signal strength of a serving beam and signal strength of a target beam and transmits a measurement report message when a first condition or a second condition is satisfied. The base station determines inter-beam coordinated scheduling when the signal strength of the serving beam and target beam satisfy the first condition, and determines handover between beams when the signal strength of the serving beam and target beam satisfy the second condition. The base station transmits a message for commanding handover to the terminal when the handover between beams is determined. The terminal then stops communicating with the serving beam and performs handover to the target beam.

REFERENCE SIGNAL FOR RECEIVE BEAM REFINEMENT IN CELLULAR SYSTEMS

User Equipment (UE) and base station (eNB) apparatus and methodology for adjusting receive beamforming. A beam refinement reference signal (BRRS) is transmitted with the same transmit beam direction on which data is to be transmitted. While receiving the BRRS, the receiver varies its receive beam direction and measures a signal characteristic of reception of the BRRS to determine a refined receive beam direction. The refined receive beam direction is used to receive the data. 130.-. (canceled)31. Apparatus of user equipment (UE) configured for receive beamforming , the apparatus comprising:memory; andprocessing circuitry to control the apparatus to:identify reception of a beam refinement reference signal (BRRS) that is transmitted with a same transmit beam direction on which data is to be transmitted;during reception of the BRRS, vary receive beam direction and measure a signal characteristic of the BRRS to find a refined receive beam direction; anduse the refined receive beam direction to receive the data.32. The apparatus of claim 31 , wherein the processing circuitry is further configured to:decode a channel state information reference signal (CSI-RS) using the refined receive beam direction.33. The apparatus of claim 32 , wherein the CSI-RS is received on a same transmit beam direction on which the BRRS is transmitted.34. The apparatus of claim 32 , wherein the CSI-RS is received on a different transmit beam direction than the transmit beam direction on which the BRRS is transmitted.35. The apparatus of claim 31 , wherein the BRRS includes a plurality of BRRS sequences in a set of contiguous subcarriers.36. The apparatus of claim 31 , wherein the BRRS includes a plurality of BRRS sequences in a set of non-contiguous interleaved subcarriers.37. The apparatus of claim 31 , wherein the refined receive beam direction is determined based on a maximization algorithm that varies the receive beam direction in response to the signal characteristic measurement.38. The ...

A Network Node, A Wireless Device, and Methods Therein for Beam Selection

A Network Node (NN) and a method therein for beam selection. When an upcoming ability to serve a Wireless Device (WD) using a current NN beam is predicted to be lost based on historic data, the NN selects an upcoming NN beam out of one or more candidate NN beams that are able to serve the WD when the NN has lost ability to serve the WD using the current NN beam. The NN configures a dedicated Beam Reference Signal (BRS) for the upcoming NN beam, which is to be detected in beam selection by the WD when the NN loses ability to serve the wireless device using the current NN beam. By means of the current NN beam, the NN transmits, to the WD, a configuration of the dedicated BRS. Further, by means of the upcoming NN beam, the NN transmits, to the WD, the dedicated BRS. 150.-. (canceled)51. A method performed by a network node for beam selection , wherein the network node and a wireless device are operating in a wireless communications network , wherein the wireless device is served by the network node using a current network node beam , and wherein the method comprises:selecting an upcoming network node beam when an upcoming ability to serve the wireless device using the current network node beam is predicted to be lost based on historic data relating to at least one signal quality of one or more candidate network node beams at one or more positions located within coverage of the wireless communications network and relating to one or more movement patterns of one or more wireless devices operating within coverage of the wireless communications network, wherein the upcoming network node beam is selected from the one or more candidate network node beams that are able to serve the wireless device when the network node has lost ability to serve the wireless device using the current network node beam;configuring a dedicated beam reference signal for the upcoming network node beam, which upcoming network node beam is to be detected in beam selection by the wireless device when ...

FILTER COEFFICIENT CONFIGURATION IN NEW RADIO SYSTEMS

Aspects of filtering coefficient configuration operations are described. Some aspects include a user equipment (UE) decoding a measurement configuration information element (IE) including a measurement quantity parameter, a reference signal (RS)-type filter configuration and at least one filter coefficient. In some aspects, the UE filters at least one of a cell measurement result and a beam measurement result, according to the measurement configuration IE. If the measurement quantity parameter indicates the cell measurement quantity, the UE can filter the cell measurement result according to the RS type filter configuration and the filter coefficient to determine a measurement evaluation input for a measurement reporting operation. If the measurement quantity parameter indicates the beam measurement quantity, the UE can filter the beam measurement result according to the RS type filter configuration and the filter coefficient to determine a beam measurement selection input for a beam measurement selection operation. 1. (canceled)2. An apparatus of a user equipment (UE) , the apparatus comprising: memory; and processing circuitry configured to:decode radio-resource configuration (RRC) signalling comprising RRC reconfiguration information to determine a measurement configuration and a reporting configuration;configure the UE to perform measurements in accordance with the measurement configuration and to perform measurement reporting in accordance with the reporting configuration, the measurement configuration comprising up to two measurement quantity configurations for different reference signal (RS) types for per-beam measurement and for per-cell measurements;configure the UE to perform layer 3 (L3) filtering with different L3 filter coefficients for the different RS types based on the measurement configuration; andencode a measurement report for transmission based on the reporting configuration, the measurement report encoded to include results from the L3 filtering ...

ELECTRONIC DEVICE AND COMMUNICATION METHOD

An electronic device used in a first communication device side is configured for determining a simplified scheme for beam sweeping to be performed on a first channel from the first communication device to a second communication device and a second channel from the second communication device to the first communication device based on beam correspondence information of transmitting and receiving beams of the first communication device. 1. An electronic device used in a first communication device side including:processing circuitry configured to:determine a simplified scheme for beam sweeping to be performed on a first channel from the first communication device to a second communication device and a second channel from the second communication device to the first communication device based on beam correspondence information of transmitting and receiving beams of the first communication device.2. The electronic device according to claim 1 , wherein the beam correspondence information of transmitting and receiving beams of the first communication device is used for indicating a corresponding relation between a maximum transmitting beam and a maximum receiving beam of the first communication device.3. The electronic device according to claim 1 , the processing circuitry is further configured to:acquire the beam correspondence information of transmitting and receiving beams of the first communication device.4. The electronic device according to claim 3 , wherein acquiring the beam correspondence information of transmitting and receiving beams of the first communication device by beam sweeping performed in advance on the first channel and the second channel.5. The electronic device according to claim 4 , wherein acquiring the beam correspondence information of transmitting and receiving beams of the first communication device by beam sweeping performed in advance on the first channel and the second channel including:performing a beam sweeping on the first channel using a ...

Optimum beam display and guidance method and apparatus

The present invention relates to a method and an apparatus for displaying and guiding an optimum beam display. The present invention can be applied to a 5G communication and Internet of Things (IoT) related technology-based intelligent services (for example, smart homes, smart buildings, smart cities, smart cars or connected cars, health care, digital education, retail businesses, security and safety related services, etc.). A method for controlling a terminal according to an embodiment of the present invention may comprise the steps for: determining whether a center beam having the best antenna gain among a plurality of beams of a terminal is identical to a currently used beam of the terminal; calculating an angle between the currently used beam and the center beam of the terminal if the currently used beam and the center beam of the terminal are not identical; and outputting information indicating an optimum beam direction according to the angle between the currently used beam and the center beam of the terminal.

SECTOR LEVEL SWEEP METHOD AND APPARATUS

A sector level sweep method and apparatus are provided. A local end generates a first sector sweep packet at the local end sector sweep stage, and the local end sends the first sector sweep packet to a peer end by using a first beam. A quantity of bytes of the first sector sweep packet is not greater than 27, the first sector sweep packet includes beam indication information of the first beam, the beam indication information includes antenna identification information of the beam, and a maximum quantity of antennas indicated by the antenna identification information is at least 8. 1. A sector level sweep method , comprising:generating, by a local end, a first sector sweep packet at a local end sector sweep stage; andsending, by the local end, the first sector sweep packet to a peer end by using a first beam, whereina quantity of bytes of the first sector sweep packet is 27; andthe first sector sweep packet comprises beam indication information of the first beam, the beam indication information comprises antenna identification information of the beam.2. The method according to claim 1 , wherein the beam indication information further comprises beam identification information of the beam; anda maximum quantity of beams indicated by the beam identification information of the beam is at least 2048.3. The method according to claim 1 , wherein the beam indication information further comprises countdown identification information corresponding to the beam at the local end sector sweep stage; anda maximum quantity of beams indicated by the countdown identification information of the beam is at least 16384.4. The method according to claim 1 , wherein before the generating claim 1 , by a local end claim 1 , a first sector sweep packet claim 1 , the method further comprises:receiving, by the local end, a second sector sweep packet by using a second beam at a previous peer end sector sweep stage adjacent to the local end sector sweep stage, wherein the second sector sweep ...

Antenna Diversity for Beacon Broadcasting in Directional Wireless Network

Antenna diversity for beacons. An access point device may include multiple antenna arrays. A series of beacons may be transmitted using each of the antenna arrays in sequence. The beacons may include configuration information usable by wireless devices to determine when to respond to the beacons. The access point may receive responses during a series of response periods, using each of the antenna arrays. 1. A wireless device comprising:a radio; and [ an indication of a respective antenna array used by the access point to transmit the respective beacon, wherein each respective antenna array is one of a plurality of antenna arrays of the access point;', 'an indication of a duration of a beacon sweep period; and', 'an association beamforming training multiplier subfield;, 'receive at least one beacon from an access point, wherein each respective beacon of the at least one beacon includes, 'determine a time of a particular response period associated with a particular beacon of the at least one beacon, wherein said determining the time of the particular response period is based at least in part on the indication of the respective antenna array, the association beamforming training multiplier subfield, and the indication of the duration of the beacon sweep period; and', 'transmit a response to the access point, wherein the response is transmitted during the particular response period., 'one or more processors operably connected to the radio, wherein the one or more processors are configured to cause the wireless device to2. The wireless device of claim 1 , wherein the one or more processors are further configured to cause the wireless device to claim 1 ,take at least one measurement of channel characteristics of the at least one beacon, wherein the determination of the time of the particular response period is further based at least in part on the at least one measurement.3. The wireless device of claim 2 , wherein the at least one measurement indicates that the ...

METHOD OF CSI REPORTING

A method of Channel State Information (CSI) reporting in a wireless communication system includes performing, with a user equipment (UE), advanced CSI reporting based on a high resolution CSI feedback scheme. The advanced CSI reporting includes a beam index that identifies each of beams and amplitude of the beam corresponding to the beam index. The performing performs the advanced CSI reporting using a Physical Uplink Control Channel (PUCCH) format 3/4/5. The beam index and the amplitude are located in the PUCCH format 3/4/5. The performing performs first advanced CSI reporting and performs second advanced CSI reporting after performing the first advanced CSI reporting. The first advanced CSI reporting includes one of the beam index and the amplitude. The second advanced CSI reporting includes the beam index or the amplitude that is not included in the first advanced CSI reporting. 1. A method of Channel State Information (CSI) reporting in a wireless communication system , the method comprising:performing, with a user equipment (UE), advanced CSI reporting based on a high resolution CSI feedback scheme,wherein the advanced CSI reporting includes a beam index that identifies each of beams and amplitude of the beam corresponding to the beam index.2. The method according to claim 1 ,wherein the performing performs the advanced CST reporting using a Physical Uplink Control Channel (PUCCH) format 3/4/5, andwherein the beam index and the amplitude are located in the PUCCH format 3/4/5.3. The method according to claim 1 ,wherein the performing performs first advanced CSI reporting,wherein the performing performs second advanced CSI reporting after performing the first advanced CSI reporting,wherein the first advanced CSI reporting includes one of the beam index and the amplitude, andwherein the second advanced CSI reporting includes the beam index or the amplitude that is not included in the first advanced CSI reporting.4. The method according to claim 3 ,wherein the ...

TAG WITH ORIENTATION INDEPENDENT ANTENNA

A tag incorporated with a directional antenna. Directional antennas may utilize devices equipped with orientation-independent antennas to determine the location of radio frequency signals emitted by other objects. The system can exist in many different customizable configurations, sometimes utilizing orientation-independent antennas embedded in the tag. 1. An item tracker comprising:a power source; a set of antenna elements, the elements including at least four radiating segments, with each segment generally facing in a selected one of four different orthogonal directions;', 'at least two of the radiating segments providing a respective horizontal and vertical polarization;', 'a selector module situated within the antenna structure, the selector module providing at least a horizontal and vertical polarization transmission line extending from corresponding horizontal and vertical polarization segments of the four sets of radiating elements; and', 'a combining circuit connected to the transmission lines, to selectively enable a directional mode, omnidirectional mode, and polarization modes.', 'the antenna configured to send one or more radio frequency (RF) transmissions in different selected directions;', 'the item tracker configured to provide an alert condition when a receiving device receives a predetermined one or more RF transmissions., 'an antenna structure comprising2. The item tracker of wherein the alert condition is an audible alarm.3. The item tracker of wherein the alert condition is one or more flashing lights.4. The item tracker of wherein the item tracker is a mobile electronic device.5. The item tracker of wherein the item tracker is a Bluetooth tag. This application claims priority to U.S. Provisional Patent Ser. No. 62/684,625 filed Jun. 13, 2018 entitled “Tag with Orientation Independent Antenna” and is a continuation in part of a co-pending U.S. patent application Ser. No. 15/861,739 filed Jan. 4, 2018 entitled “Indoor Positioning System Utilizing ...

COMMUNICATION DEVICE AND METHOD USING VIRTUAL SECTOR FORMING

A communication device for RF-based communication with another communication device comprises antenna circuitry configured to transmit and receive RF signals, and beamform-ing circuitry configured to perform beamforming and to carry out a beam training procedure for finding a beam for use in transmitting and/or receiving RF signals and/or for channel estimation. The beamforming training procedure comprises at least two stages during which training signals are transmitted using different beams, wherein first beams used in a first stage have a larger beam sector than second beams used in a second stage and wherein the second beams are selected by forming a virtual best sector based on an evaluation of a predetermined metric obtained for the first beams in the first stage. 1. A communication device for RF-based communication with another communication device , said communication device comprising:antenna circuitry configured to transmit and receive RF signals, andbeamforming circuitry configured to perform beamforming and to carry out a beam training procedure for finding a beam for use in transmitting and/or receiving RF signals and/or for channel estimation, said beamforming training procedure comprising at least two stages during which training signals are transmitted using different beams, wherein first beams used in a first stage have a larger beam sector than second beams used in a second stage and wherein the second beams are selected by forming a virtual best sector based on an evaluation of a predetermined metric obtained for the first beams in the first stage.2. The communication device as claimed in claim 1 ,wherein the beamforming circuitry is configured to form the virtual best sector by selecting the two or more best first beams in terms of the evaluated predetermined metric obtained for the first beams in the first stage.3. The communication device as claimed in claim 2 ,wherein the beamforming circuitry is configured to form the virtual best sector by ...

METHODS FOR TRANSMITTING UPLINK SIGNAL AND DOWNLINK SIGNAL, UE AND BASE STATION

Embodiments of the present disclosure provide methods for transmitting an uplink signal and a downlink signal. A method for transmitting an uplink signal comprises detecting whether there is a beam failure; if there is a beam failure, determining at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information; and transmitting a beam failure recovery request message to a base station, the beam failure recovery request message being used for informing the base station of at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information. A method for transmitting a downlink signal comprises detecting a beam failure recovery request message, determining at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information in the UE; and transmitting a feedback message corresponding to the beam failure recovery request message. 1. A method for receiving a beam failure recovery request response by a terminal , the method comprising:transmitting a beam failure recovery request to a base station;identifying a search space for the beam failure recovery request response configured by the base station;monitoring a downlink control channel based on the identified search space, by using an identifier of the beam failure recovery request; andreceiving the beam failure recovery request response on the downlink control channel.2. The method of claim 1 , wherein the identifier of the beam failure recovery request is a cell radio network temporary identifier (C-RNTI).3. The method of claim 1 , further comprising:receiving information on reference signals identifying a candidate beams for beam failure recovery.4. The method of claim 3 , further comprising:identifying at least one reference signal of which reference signal receiving power (RSRP) is greater than a predetermined threshold, based on the ...

BEAM SELECTION FOR A RADIO TRANSCEIVER DEVICE

There is provided mechanisms for beam selection. A method is performed by a first radio transceiver device. The method comprises obtaining link quality estimates of a radio signal conveyed to the first radio transceiver device from a second radio transceiver device by means of at least a first beam taken from a first beam set and a second beam. The second beam is wider than the first beam. The method comprises selecting which one of the first beam and the second beam to use for continued communications of radio signals with the second radio transceiver device in accordance with a comparison between the link quality estimates of the first beam and compensated link quality estimates of the second beam. 1. A method for beam selection , the method being performed by a first radio transceiver device , the method comprising:obtaining link quality estimates of a radio signal conveyed to the first radio transceiver device from a second radio transceiver device by moans of by referring to at least a first beam taken from a first beam set and a second beam, wherein the second beam is wider than the first beam; andselecting which one of the first beam and the second beam to use for continued communications of radio signals with the second radio transceiver device in accordance with a comparison between the link quality estimates of the first beam and compensated link quality estimates of the second beam.2. The method according to claim 1 , wherein the radio signal is conveyed by being received by the first radio transceiver device in at least said first beam and said second beam.3. The method according to claim 1 , wherein the radio signal is conveyed by being transmitted by the second radio transceiver device in at least said first beam and said second beam.4. The method according to claim 1 , wherein the compensated link quality estimates of the second beam are defined as the link quality estimates of the second beam increased with a compensation value.5. The method ...

Communications Method And System, And Related Device

The present disclosure relates to communications methods, systems, and devices. One example communications method includes when a base station determines that a quasi-co-location (QCL) relationship exists between antenna ports of at least two serving cells in a same serving cell group, sending, by the base station and to user equipment (UE), QCL indication signaling used to indicate that the QCL relationship exists between the antenna ports of the at least two serving cells in the same serving cell group, where the same serving cell group is a group predefined according to a preset rule or is a group obtained after the base station groups serving cells allocated to the UE.

APPARATUS, SYSTEM AND METHOD OF BEAMFORMING AND BEAM TRACKING

For example, a first Enhanced Directional Multi-Gigabit (DMG) (EDMG) station (STA) may be configured to exchange first and second Beam Refinement Protocol (BRP) setup frames with a second EDMG STA to initiate a BRP Transmit Sector Sweep (TXSS) over an aggregated channel bandwidth including an aggregation of a primary channel and a secondary channel in a frequency band above 45 GHz; during the BRP TXSS, transmit a plurality of BRP frames to the second EDMG STA over the primary channel and the secondary channel according to an EDMG control mode; determine a transmit beamforming configuration over the aggregated channel bandwidth based on BRP feedback from the second EDMG STA; and transmit an EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) to the second EDMG STA over the aggregated channel bandwidth based on the transmit beamforming configuration. 1. An apparatus comprising: process an Enhanced Directional Multi-Gigabit (DMG) (EDMG) Beam Refinement Protocol (BRP) Receive (RX)/Transmit (TX) (BRP-RX/TX) packet from a beam tracking initiator, the EDMG BRP-RX/TX packet configured to request for simultaneous receive and transmit beam tracking; and', 'transmit a packet to the beam tracking initiator, the packet to the beam tracking initiator comprising feedback from the beam tracking responder based on the EDMG BRP-RX/TX packet; and, 'a processor comprising logic and circuitry configured to cause a beam tracking responder toa memory to store information processed by the processor.2. The apparatus of claim 1 , wherein the EDMG BRP-RX/TX packet comprises a non-EDMG Header (L-Header) and an EDMG Header A claim 1 , wherein a “beam tracking request” field in the L-Header comprises a value 0 claim 1 , and wherein an “RX Training (TRN) Units per each TX TRN-Unit” field in the EDMG Header A has a value greater than 0 claim 1 , and an “EDMG TRN length” field in the EDMG Header A has a value greater than 0.3. The apparatus of claim 2 , wherein an “EDMG beamtracking request” field ...

APPARATUS, SYSTEM AND METHOD OF BEAMFORMING AND BEAM TRACKING

For example, a first Enhanced Directional Multi-Gigabit (DMG) (EDMG) station (STA) may be configured to exchange first and second Beam Refinement Protocol (BRP) setup frames with a second EDMG STA to initiate a BRP Transmit Sector Sweep (TXSS) over an aggregated channel bandwidth including an aggregation of a primary channel and a secondary channel in a frequency band above 45 GHz; during the BRP TXSS, transmit a plurality of BRP frames to the second EDMG STA over the primary channel and the secondary channel according to an EDMG control mode; determine a transmit beamforming configuration over the aggregated channel bandwidth based on BRP feedback from the second EDMG STA; and transmit an EDMG Physical Layer (PHY) Protocol Data Unit (PPDU) to the second EDMG STA over the aggregated channel bandwidth based on the transmit beamforming configuration. 1. An apparatus comprising: transmit an Enhanced Directional Multi-Gigabit (DMG) (EDMG) Beam Refinement Protocol (BRP) Receive (RX)/Transmit (TX) (BRP-RX/TX) packet to a beam tracking responder, the EDMG BRP-RX/TX packet configured to request for simultaneous receive and transmit beam tracking; and', 'process a packet from the beam tracking responder, the packet from the beam tracking responder comprising feedback from the beam tracking responder based on the EDMG BRP-RX/TX packet; and, 'a processor comprising logic and circuitry configured to cause a beam tracking initiator toa memory to store information processed by the processor.2. The apparatus of configured to cause the beam tracking initiator to set a non-EDMG Header (L-Header) and an EDMG Header A in the EDMG BRP-RX/TX packet claim 1 , wherein a “beam tracking request” field in the L-Header comprises a value 0 claim 1 , and wherein an “RX Training (TRN) Units per each TX TRN-Unit” field in the EDMG Header A has a value greater than 0 claim 1 , and an “EDMG TRN length” field in the EDMG Header A has a value greater than 0.3. The apparatus of configured to cause the ...

Low latency beam alignment

A user equipment (UE) establishes a connected discontinuous reception cycle including one or more onDurations with a currently camped base station. When the one or more onDurations is scheduled, the UE utilizes an active mode of processing and when the one or more onDurations are not scheduled the UE utilizes a sleep mode of inactivity. The UE receives an indication of a plurality of reference signals that are to be transmitted during a first onDuration, each reference signal is (i) to be included in a transmitter beam and (ii) associated with an uplink resource, receives a plurality of reference signals, each reference signal being associated with one of the transmitter beams, selects one of the plurality of transmitter beams based on measuring the included reference signal and transmits an indication of the selected one of the plurality of transmitter beams on the uplink resource associated with the included reference signal.

Wireless communication apparatus and wireless communication method

A wireless communication apparatus comprising: a frame configuration circuit that generates a transmission frame including DMG beacons, wherein sector ID fields in SSW fields included in the respective DMG beacons indicate one or more transmit sectors used for directional transmissions of the respective DMG beacons, and a field different from the sector ID field included in each DMG beacon indicates whether or not there is quasi-omni transmission; and a transmission wireless circuit that performs, by using the transmit sector indicated by the sector ID field, directional transmission on a first DMG beacon that is included in the DMG beacons and in which the field different from the sector ID field indicates non-quasi-omni transmission and performs quasi-omni transmission on a second DMG beacon that is included in the DMG beacons and in which the different field indicates quasi-omni transmission, in a BTI.

Channel estimation method and apparatus

This application discloses a channel estimation method and apparatus, and relates to the field of communications technologies, to help reduce indication overheads. The method may include: generating and sending indication information. The indication information is used to indicate K N-dimensional spatial-domain component vectors, L M-dimensional frequency-domain component vectors, and a weight matrix, to indicate to construct an M×N-dimensional spatial-frequency matrix, or an M×N or N×M spatial-frequency matrix.

CO-SCHEDULING OF TERMINAL DEVICES

There is provided mechanisms for evaluating co-scheduling of terminal devices. A method is performed by a network node. The method comprises obtaining an indication that a terminal device served by the network node is involved in a data session being longer than a threshold time value. The method comprises initiating, as a result of the data session being longer than the threshold time value, a beam sweep procedure using analog beamforming with the terminal device. The beam sweep procedure results in identification of a set of candidate beams in which the network node is able to serve the terminal device during the data session. The method comprises evaluating whether to co-schedule the terminal device with another terminal device in any of the candidate beams or not. The so-called another terminal device is also served by the network node. 1. A method for evaluating co-scheduling of terminal devices , the method being performed by a network node , the method comprising:obtaining an indication that a terminal device served by the network node is involved in a data session being longer than a threshold time value;initiating, as a result of the data session being longer than the threshold time value, a beam sweep procedure using analog beamforming with the terminal device, the beam sweep procedure resulting in identification of a set of candidate beams in which the network node is able to serve the terminal device during the data session; andevaluating whether to co-schedule the terminal device with another terminal device in any of the candidate beams or not, said another terminal device also being served by the network node.2. The method of claim 1 , wherein said another terminal device also is involved in a data session being longer than the threshold time value.3. The method of claim 1 , further comprising:selecting one of the candidate beams; andserving the terminal device and said another terminal device in said one of the candidate beams, thereby co-scheduling ...

Communication Method and Communications Apparatus

Embodiments of this application provide a communication method and a communications apparatus. The method includes: receiving identification information of N beams of a target cell and random access channel configurations of M beams in the N beams, where N and M are positive integers; and determining a beam for accessing based on signal quality or signal strength of L beams in the N beams, the identification information of the N beams, and the random access channel configurations of the M beams, where L is a nonnegative integer. 1. A method , comprising:receiving, by a first network device from a second network device, identification information of N beams of a target cell and random access channel configurations corresponding to M beams in the N beams, wherein N and M are positive integers; andsending, by the first network device, the identification information of the N beams and the random access channel configurations corresponding to the M beams to a terminal.2. The method according to claim 1 , further comprising:receiving, by the first network device from the terminal, serving beam change information of the terminal, wherein the serving beam change information of the terminal comprises information of a change of a serving beam of the terminal that occurs within a preset time period; andsending, by the first network device, the serving beam change information of the terminal to the second network device, wherein the serving beam change information of the terminal is used by the second network device to determine a validity period of the random access channel configurations of the M beams.3. The method according to claim 1 , further comprising:receiving, by the first network device from the terminal, serving beam change information of the terminal, wherein the serving beam change information of the terminal comprises information of a change of a serving beam of the terminal that occurs within a preset time period;determining, by the first network device, a ...

NR (NEW RADIO) PRACH (PHYSICAL RANDOM ACCESS CHANNEL) CONFIGURATION AND MULTI-BEAM OPERATION

Techniques discussed herein can facilitate configuration and/or multi-beam operation of a NR (New Radio) PRACH (Physical Random Access Channel). One example embodiment employable at a UE (User Equipment) comprises processing circuitry configured to process higher layer signaling indicating a NR (New Radio) random access configuration; generate a random access preamble sequence based at least in part on the random access configuration; map the random access preamble sequence to a set of resources for each of a plurality of sets of beamforming weights; process N RARs (Random Access Responses) associated with the random access preamble sequence, wherein N is an integer greater than one; generate a random access Msg3 (message 3); and map N copies of the random access Msg3 to a PUSCH (Physical Uplink Shared Channel). 135-. (canceled)36. An apparatus configured to be employed in a UE (User Equipment) , comprising:a memory interface; and process higher layer signaling indicating a NR (New Radio) random access configuration;', 'generate a random access preamble sequence based at least in part on the random access configuration;', 'map the random access preamble sequence to a set of resources for each of a plurality of sets of beamforming weights;', 'process N RARs (Random Access Responses) associated with the random access preamble sequence, wherein N is an integer greater than one;', 'generate a random access Msg3 (message 3);', 'map N copies of the random access Msg3 to a PUSCH (Physical Uplink Shared Channel); and', 'send the NR random access configuration to a memory via the memory interface., 'processing circuitry configured to37. The apparatus of claim 36 , wherein a single MAC (Medium Access Control) PDU (Protocol Data Unit) comprises the N RARs.38. The apparatus of claim 36 , wherein the NR random access configuration comprises an indication of resources associated with multi-beam random access operation claim 36 , wherein the resources associated with multi-beam ...

First Node and Methods Therein in a Wireless Communications Network

A method performed by a first node for selecting a beam for a data transmission between a Multiple In Multiple Out (MIMO) antenna system used by the first node, and a second node in a wireless communications system is provided. The first node obtains () a direction from a reference point of the MIMO antenna system to the second node, based on location data defining a location of the second node. The first node then selects () a beam among available beams in the MIMO antenna system for a subsequent transmission to or from the second node. The beam is selected such that an angle between the obtained direction and a main lobe direction of the beam that is selected provides the smallest angle among the available beams in the MIMO antenna system. 118-. (canceled)19. A method , performed by a first node , for selecting a beam for a data transmission between a Multiple In Multiple Out (MIMO) antenna system used by the first node and a second node in a wireless communications system , the method comprising the first node:obtaining a direction from a reference point of the MIMO antenna system to the second node, based on location data defining a location of the second node;selecting a beam among available beams in the MIMO antenna system for a subsequent transmission to or from the second node, wherein the beam that is selected is selected such that an angle between the obtained direction and a main lobe direction of the beam that is selected provides the smallest angle among the available beams in the MIMO antenna system.20. The method of :wherein the location data comprises coordinates of the second node; translating the coordinates of the second node into a position vector of the second node; and', 'normalizing the position vector of the second node to obtain the direction from the reference point of MIMO antenna system to the second node., 'wherein the obtaining the direction comprises22. The method of claim 19 , further comprising:forming precoding matrices for the ...

Beam management for radio frequency sensing

A method, apparatus, or computer-readable medium with instructions for beam management for radio frequency (RF) sensing at a wireless device. The wireless device performs a first beamsweep of an RF signal and measures a reflection of the RF signal based on the first beamsweep. The wireless device performs a second beamsweep of the RF signal, wherein the first beamsweep is based on a different parameter than the second beamsweep and measures the reflection of the RF signal based on the second beamsweep. The wireless device selects a beam for RF sensing based on the first beamsweep and the second beamsweep.

Techniques for modifying values transmitted in a measurement report for beam management

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may perform a cell search using a first set of beams. The UE may determine a channel condition value based at least in part on performing the cell search. The UE may modify the channel condition value based at least in part on at least one of: the first set of beams used to perform the cell search, a beam selected from the first set of beams, or a second set of beams that is different from the first set of beams and that is included in a beamforming codebook associated with the UE. The UE may transmit a measurement report that includes the modified channel condition value. Numerous other aspects are provided.

METHOD AND DEVICE FOR SELECTING AND ALLOCATING TRANSMISSION BEAM INDEX HAVING PRIORITY

The present invention relates to a method and a device for selecting and allocating a transmission beam index having a priority. The present invention, in this regard, relates to a method for transmission and reception by a base station in a wireless communication system capable of configuring a plurality of beams, the method comprising the steps of: transmitting a reference signal, using at least one transmission beam; receiving index information of the at least one transmission beam from a terminal; and scheduling a beam corresponding to one piece of information among the index information of the at least one transmission beam for the terminal, wherein the index information is the index information of the at least one transmission beam selected by the terminal on the basis of the priority pre-configured for the plurality of beams. 1. A transmission/reception method of a base station in a wireless communication system capable of forming a plurality of beams comprising:transmitting a reference signal using at least one transmission beam;receiving index information regarding at least one transmission beam from a terminal; andfrom among the index information regarding at least one transmission beam, scheduling a beam corresponding to one item of the index information for the terminal,wherein the index information is index information regarding the at least one transmission beam that the terminal selects from the plurality of beams, based on preset priorities of the plurality of beams.2. The method of claim 1 , further comprising:setting priority to the at least one transmission beam; andtransmitting information regarding the set priority.3. The method of claim 2 , wherein setting priority to the at least one transmission beam comprises:dividing the at least one or more beams into a plurality of groups each of which contains M beams adjacent to each other; andsetting part of beams in each group to have high priority and the remaining beams to have low priority.4. The ...

Method for performing location-specific services, broadcasting unit and mobile receiving device

Methods and systems are provided for providing location-specific services. A mobile device may receive from a broadcasting unit, geographic data corresponding to a service region associated with the broadcasting unit, with the geographic data defining a three-dimensional geographic space. A current three-dimensional geographic position of the mobile receiving device may be determined in the mobile receiving device; and based on the current three-dimensional geographic position of the mobile receiving device, presence of the mobile receiving device in the three-dimensional geographic space may be determined. A service provided in the three-dimensional geographic space may then be performed.

Full duplex backhaul radio with mimo antenna array

A intelligent backhaul radio have an advanced antenna system for use in PTP or PMP topologies. The antenna system provides a significant diversity benefit. Antenna configurations are disclosed that provide for increased transmitter to receiver isolation, adaptive polarization and MIMO transmission equalization. Adaptive optimization of transmission parameters based upon side information provided in the form of metric feedback from a far end receiver utilizing the antenna system is also disclosed.

Method in a network node and a network node for controlling communication between a radio base station and user equipments in a wireless communication system

The present invention relates to a network node and a method performed by the network node for controlling communication between a radio base station, RBS, and user equipments, UEs. The RBS has multiple antennas and uses beam forming when communicating with the UEs. The method comprises obtaining ( 702 ) information on an expected first propagation path direction interval between the RBS and UEs served by other neighboring RBSs, and obtaining ( 704 ) information on an expected second propagation path direction interval between the RBS and served UEs; defining ( 706 ) a first communication power limit for each of a plurality of beams according to the obtained information, the first limit being defined to suppress communication power in the first propagation path direction interval, when the plurality of beams are transmitted; and determining ( 708 ) antenna weights for each of the plurality of beams based on the defined first communication power limit.

Single user and multiuser multiple-input and multiple-output beamforming

This disclosure describes systems, methods, and devices related to multiple-input and multiple-output (MIMO) beamforming. A device may determine one or more short sector sweep frames associated with one or more antennas of the device. The device may cause to set one or more fields of at least one of the one or more short sector sweep frames to indicate an MIMO communication with one or more first devices. The device may identify one or more response frames from at least one of the one or more first devices based at least in part on the one or more short sector sweep frames.

SHORT SSW FRAME FORMAT FOR SLS BEAMFORMING PROCESS BETWEEN ENABLED, ASSOCIATED STATIONS, AND METHOD OF PREPARING WIRELESS COMMUNICATION

The AP can generate a distinctive 8 bit value, and fill the 8 most significant bits (MSBs) of the a 16 bit AID field to form a EDMG BSS AID. Beamforming can include a station performing a sector level sweep (SLS) process including transmitting, in sequence, a plurality of short sector sweep (SSW) frames to the other station using corresponding ones of the antenna sectors, and receiving, in sequence, a plurality of the short SSW frames from the other station, the short SSW frames having an addressing field format specifying a receiver address association ID (RA AID) and a transmitter address association ID (TA AID). The distinctive 8 bit value can be used as the AP AID. 1. A method of beam forming by a first station , the process comprising :receiving, at the first station, a first plurality of short sector sweep (short SSVV) frames transmitted in sequence from a plurality of antenna sectors of a second station, and transmitting, in sequence, a second plurality of the short SSW frames to the second station, the second plurality of short SSW frames having an addressing field format including a first portion specifying a receiver address association ID (RA AID) and a second portion specifying a transmitter address association ID (TA AID);wherein the addressing field format of the second plurality of short SSW frames has a length that is shorter than a sum of: a length of a transmitter address and a length of a receiver address in a SSW frame.2. The method of wherein a comparison of the RA AID or the TA AID with a previously attributed AID of the first station can be used in a determination of the AID of the first station.3. The method of wherein the first station is a non-AP station claim 1 , and the second station is also a non-AP station claim 1 , and wherein both the first station and the second station are associated to an AP station in a basic service set (BSS).4. The method of wherein the RA AID and the TA AID each have a length of 8 bits.5. The method of wherein ...

INTER-BEAM MOBILITY CONTROL IN MIMO COMMUNICATION SYSTEMS

Apparatus, systems, and methods to implement inter-beam mobility control in MIMO communication systems are described. In one example, apparatus of an evolved Node B (eNB) comprises circuitry to configure a periodic transmit (TX) beamforming process for a user equipment (UE), wherein a plurality of different TX beams are used in a plurality of different beamforming reference signals (BRS), receive, from the UE, a selected TX beam index which identifies a selected TX beam, and schedule subsequent transmissions to the UE on the selected TX beam. Other examples are also disclosed and claimed. 125-. (canceled)26. An apparatus of an evolved Node B (eNB) comprising circuitry to:configure a periodic transmit (TX) beamforming process for a user equipment (UE), wherein a plurality of different TX beams are used in a plurality of different beamforming reference signals (BRS);receive, from the UE, a selected TX beam index which identifies a selected TX beam; andschedule subsequent transmissions to the UE on the selected TX beam.27. The apparatus of claim 26 , further comprising circuitry to schedule a non-contention based Physical Random Access Channel (PRACH) procedure with a scheduled preamble index claim 26 , wherein the preamble index is to indicate the selected TX beam index.28. The apparatus of claim 26 , further comprising circuitry to transmit the selected TX beam index implicitly based on a 5G Physical Downlink Control Channel (xPDCCH).29. The apparatus of claim 28 , further comprising circuitry to configure the UE a neighbor TX beam index list via Radio Resource Control (RRC) signaling.30. The apparatus of claim 29 , further comprising circuitry to maintain a neighbor TX beam index list claim 29 , wherein the selected TX beam index may be included in the neighbor TX beam index list.31. The apparatus of claim 28 , further comprising circuitry to generate a scramble sequence based on the selected TX beam index claim 28 , wherein the scramble sequence is used to generate ...

User equipment and method for selection of csi reference signal and csi reporting in a beam forming system with multiple beams

A user equipment (UE) includes a receiver that receives multiple Reference Signals (RSs) transmitted using respectively different radio resources from a base station (BS), a processor that selects, out of RS Resource Indicators (RRIs) associated with the radio resources used for RS transmission, multiple RRIs, and a transmitter that transmits the multiple RRIs to the BS. The processor derives Channel State Information (CSI) in each of the RRIs using the RSs. The transmitter transmits the CSI corresponding to the multiple RRIs to the BS. The transmitter transmits the CSI corresponding to a part of the multiple RRIs. The transmitter transmits a RRI rank that indicates a number of the selected RRIs.

Establishment of connection to the internet in cellular network

Some demonstrative embodiments include devices, systems and/or methods to establish a connection to the Internet via a local gateway (L-GW) function for a LIPA or a SIPTO@LN. The establishment of the connection to the Internet may be performed, for example, by at least one of an E-RAB SETUP procedure, an INITIAL CONTEXT SETUP procedure, an INITIAL UE MESSAGE procedure or an UPLINK NAS TRANSPORT procedure.

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING BEAM FAILURE RECOVERY REQUEST FOR SECONDARY CELL

A communication method and system for converging a 5generation (5G) communication system for supporting higher data rates beyond a 4generation (4G) system with a technology for Internet of things (IoT) are provided. The communication method and system may be applied to intelligent services based on the 5G communication technology and the IoT-related technology. A method performed by a terminal for beam failure recovery (BFR) on a secondary cell (SCell) in a wireless communication system comprises receiving information for BFR on an SCell including a scheduling request configuration for the BFR on the SCell; detecting beam failure on the SCell based on whether a number of beam failure instances within a preconfigured time duration exceeds a preconfigured number; and, as a response to detecting the beam failure on the SCell, transmitting a scheduling request for the BFR on the SCell based on the scheduling request configuration. 1. A method performed by a terminal for beam failure recovery (BFR) on a secondary cell (SCell) in a wireless communication system , the method comprising:receiving, from a base station, information for BFR on an SCell including a scheduling request configuration for the BFR on the SCell;detecting beam failure on the SCell based on whether a number of beam failure instances within a preconfigured time duration exceeds a preconfigured number; andas a response to detecting the beam failure on the SCell, transmitting, to the base station, a scheduling request for the BFR on the SCell based on the scheduling request configuration.2. The method of claim 1 , wherein the information for the BFR on the SCell includes a list of reference signals identifying candidate beams for the BFR on the SCell and a reference signal received power (RSRP) threshold for a candidate beam.3. The method of claim 2 , wherein the reference signals include at least one of a synchronization signal block (SSB) or a channel state information reference signal.4. The method of ...

METHOD AND APPARATUS FOR HANDLING SCHEDULING REQUEST (SR) CANCELLATION, RANDOM ACCESS (RA) PRIORITIZATION AND CONCURRENT OCCURRENCE OF BEAM FAILURE RECOVERY (BFR) ON PRIMARY CELL (PCELL) AND SECONDARY CELL (SCELL)

A communication method and system for converging a 5generation (5G) communication system for supporting higher data rates beyond a 4generation (4G) system with a technology for Internet of things (IoT) are provided. The communication method and system may be applied to intelligent services based on the 5G communication technology and the IoT- related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method performed by a terminal for handling scheduling request (SR) cancellation in a wireless communication system is provided. The method comprises identifying that at least one first SR is triggered, identifying whether each of the at least one first SR is triggered for beam failure recovery (BFR) of a secondary cell (SCell), and determining whether to cancel each of the at least one SR based on the identification. 1. A method performed by a terminal in a wireless communication system , the method comprising:identifying that at least one first scheduling request (SR) is triggered;identifying whether each of the at least one first SR is triggered for beam failure recovery (BFR) of a secondary cell (SCell); anddetermining whether to cancel each of the at least one first SR based on the identification.2. The method of claim 1 , further comprising:except for a second SR triggered for the BFR of the SCell, cancelling at least one third SR for buffer state report (BSR) triggered prior to media access control (MAC) protocol data unit (PDU) assembly among the at least one first SR when a MAC PDU including a BSR MAC control element (CE) is transmitted, the BSR MAC CE including buffer status up to a last event that triggered a BSR prior to the MAC PDU assembly.3. The method of claim 2 , further comprising:stopping each respective SR prohibit timer corresponding to the at least one third SR.4. The method of claim 1 , further comprising:except for a second SR ...

BEAM FAILURE PROCESSING METHOD, TERMINAL, AND NETWORK DEVICE

A beam failure processing method, a terminal and a network device are provided. The method includes: sending a beam failure recovery request to a network device in a case that a beam failure event occurs on an active BWP; and receiving, through a CORESET-BFR in a target downlink BWP, response information fed back by the network device according to the beam failure recovery request, where the target downlink BWP corresponds to at least two BWPs, and the at least two BWPs includes the active BWP. 1. A beam failure processing method , applied to a terminal side , comprising:sending a beam failure recovery request to a network device in a case that a beam failure event occurs on an active Bandwidth Part (active BWP); andreceiving, through a Control Resource Set for Beam Failure Recovery (CORESET-BFR) in a target downlink BWP, response information fed back by the network device according to the beam failure recovery request, wherein the target downlink BWP corresponds to at least two BWPs, and the at least two MVPs comprises the active BWP.2. The beam failure processing method according to claim 1 , wherein the receiving through the CORESET-BFR in the target downlink BWP the response information fed back by the network device according to the beam failure recovery request comprises:in a case that the target downlink BWP is the active BWP where the beam failure event occurs, receiving, through the CORESET-BFR in the target downlink BWP, the response information fed back by the network device according to the beam failure recovery request; orin a case that the target downlink BWP is different from the active BWP where the beam failure event occurs, switching to the target downlink BWP, and receiving, through the CO SET-BFR in the target downlink BWP, the response information fed back by the network device according to the beam failure recovery request.3. The beam claim 1 , failure processing method according to claim 1 , wherein the target downlink BWP is predefined claim ...

CONFIGURATION METHOD FOR BEAM FAILURE AND TERMINAL

A configuration method for beam failure and a terminal are provided, and the method includes: receiving notification signaling used to notify a change in a state of a cell, a cell group, or a carrier group; configuring at least one of a counter and a timer according to the change in the state of the cell, the cell group, or the carrier group, and/or, stopping a specific operation during a beam failure recovery procedure according to the change in the state of the cell, the cell group, or the carrier group, wherein the counter and the timer are a counter and a timer used for beam failure detection and configured by the terminal for the cell or a cell in the cell group or a cell in a carrier group. 1. A configuration method for beam failure applied to a terminal , wherein the configuration method for beam failure comprises:receiving a notification signaling used to notify a change in a state of a cell, a cell group, or a carrier group;configuring at least one of a counter and a timer according to the change in the state of the cell, the cell group, or the carrier group, and/or, stopping a specific operation during a beam failure recovery procedure according to the change in the state of the cell, the cell group, or the carrier group, wherein the counter and the timer are a counter and a timer used for beam failure detection and configured by the terminal for the cell or a cell in the cell group or a cell in a carrier group.2. The method according to claim 1 , wherein claim 1 , the change in the state of the cell comprises the cell being activated claim 1 , the cell being deactivated claim 1 , the cell being reactivated claim 1 , or the cell being changed;the change in the state of the cell group comprises the cell group being activated, the cell group being configured, the cell group being reconfigured, or the cell group being changed;the change in the state of the carrier group comprises the carrier group being activated, the carrier group being deactivated, the ...

Communication Devices for Efficient Beam Management

A first communication device receives a first signal, the first signal being transmitted by a second communication device using a first spatial-domain transmit filter; determines, based on the first signal, a Line-of-Sight characteristic associated with the first spatial-domain transmit filter, and transmits a first control message to the second communication device, the first control message indicating the Line-of-Sight characteristic associated with the first spatial-domain transmit filter. 1. A first communication device , comprising:a processor; and receive a first signal, the first signal being transmitted by a second communication device using a first spatial-domain transmit filter;', 'determine, based on the first signal, a Line-of-Sight characteristic associated with the first spatial-domain transmit filter; and', 'transmit a first control message to the second communication device, the first control message indicating the Line-of-Sight characteristic associated with the first spatial-domain transmit filter., 'a non-transitory computer-readable storage medium coupled to the processor and storing a program executable by the processor, the program including instructions to2. The first communication device according to claim 1 , wherein the program further includes instructions to:obtain location information associated with the second communication device; andselect a first spatial-domain receive filter based on the obtained location information associated with the second communication device; andwherein the instructions to receive the first signal comprise instructions to receive the first signal using the first spatial-domain receive filter.3. The first communication device according to claim 1 , wherein the instructions to transmit the first control message to the second communication device comprise instructions to:transmit the first control message in response to the Line-of-Sight characteristic associated with the first spatial-domain transmit filter ...

Electronic device, method and apparatus for wireless communication system, and storage medium

The present disclosure relates to electronic device, method and storage medium for a wireless communication system. One embodiment of the present disclosure proposes beam management based on matching condition of channel path parameters under different beams. An electronic device includes a processing circuitry configured to: estimate, based on reference signals which are transmitted from the transmitter of the wireless communication system based on at least one second beam included in coverage of a first beam, parameters for channel paths from the transmitter to the receiver corresponding to the second beam, and wherein a particular second beam of the at least one second beam is selected based on the estimated parameters for channel paths, and the estimated parameter for channel path corresponding to the particular second beam matches parameter for channel path corresponding to the first beam.

Autonomous selection of a physical downlink control channel beam

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may select, from a plurality of search space sets associated with a plurality of control resource sets, a subset of the plurality of search space sets to monitor. The UE may monitor the subset of the plurality of search space sets, to receive a downlink control information message, for a physical downlink control channel beam associated with the subset of the plurality of search space sets. Numerous other aspects are provided.

DISCOVERY OF NEIGHBOR NODES IN WIRELESS MESH NETWORKS WITH DIRECTIONAL TRANSMISSIONS

Wireless mesh networking protocols for directional transmissions in the PHY layer over multiple hops between a mix of mesh and non-mesh stations (STAs). Joint beamforming (BF) training and mesh network discovery is described including adaptive signaling with the mesh network. The mesh networking protocol can be utilized in a mix of wireless nodes including portals, access points (APs), personal control points (PCPs), and mesh stations (STAs). 1. (canceled)2. An apparatus for wireless communication with directional transmission , comprising:(a) a wireless communication circuit configured for wirelessly communicating with other wireless communication stations;(b) wherein said wireless communication circuit is configured with directional transmission having a plurality of antenna pattern sectors each having different transmission directions;(c) a processor coupled to said wireless communication circuit; and(d) a non-transitory memory storing instructions executable by the processor; (i) performing simultaneous beamform (BF) training and scanning for a network or a neighbor station, in which transmitting frames are swept through antenna pattern sectors;', '(ii) wherein the transmitting frames contain information about network ID and network capabilities in addition to BF training frame information including directional operation parameters and sector sweep information; and', (A) transmitting a sweep of discovery request frames across a group of antenna pattern sectors by said new node;', '(B) determining that discovery response frames have been received;', '(C) recording information on the network ID and network capabilities information with best sector information, when one or more discovery response frames are received; and', '(D) continuing transmitting a sweep of discovery request frames across another group of antenna pattern sectors, when a discovery frame is not received., '(iii) wherein a new node attempting to join the network sweeps a discovery signal to ...

Beam Measurement Reporting Method, Terminal Side Device and Network Side Device

The beam measurement reporting method provided by some embodiments of the present disclosure includes: acquiring measurement configuration information from the network side device; measuring, by the terminal side device in a connected state, a predetermined reference signal on a first predetermined quantity of transmission beams in accordance with the measurement configuration information; acquiring a measurement result of the predetermined reference signal on the first predetermined quantity of transmission beams; and performing a measurement reporting operation in accordance with the measurement result for the first predetermined quantity of transmission beams.

Wireless Communication Method, Terminal Device and Network Device

A wireless communication method, a terminal device, and a network device are provided. The method includes: a terminal device determines a plurality of transmitting beams from transmitting beams of a network device, and determines a receiving beam matched with each transmitting beam of the plurality of transmitting beams in at least two receiving beam groups of the terminal device; and the terminal device transmits a notification message to the network device, wherein the notification message is used for indicating the plurality of transmitting beams and the receiving beam matched with the each transmitting beam, and includes information to be used by the network device for distinguishing a receiving beam group to which the receiving beam matched with the each transmitting beam belongs and distinguishing the receiving beam matched with the transmitting beam in the receiving beam group. 1. A method for wireless communication , comprising:determining, by a terminal device, a plurality of transmitting beams from transmitting beams of a network device, and determining a receiving beam matched with each transmitting beam of the plurality of transmitting beams in at least two receiving beam groups of the terminal device; andtransmitting, by the terminal device, a notification message to the network device, wherein the notification message is used for indicating the plurality of transmitting beams and the receiving beam matched with the each transmitting beam, and comprises information to be used by the network device for distinguishing a receiving beam group to which the receiving beam matched with the each transmitting beam belongs and distinguishing the receiving beam matched with the transmitting beam in the receiving beam group.2. The method according to claim 1 , wherein in the at least two receiving beam groups claim 1 , different receiving beam groups correspond to different antenna panels of the terminal device.3. The method according to claim 1 , wherein the ...

METHOD FOR BEAM RECOVERY PROCESSING, NETWORK-SIDE DEVICE AND MOBILE TERMINAL

A method for beam recovery processing, a network-side device, and a mobile terminal are provided. The method includes: transmitting, by a network-side device, a first indication message to a mobile terminal in response to that a preset trigger condition is met, where the first indication message is used to indicate a new beam pair link BPL, and the preset trigger condition includes that a beam recovery mechanism is determined to be initiated by the mobile terminal based on a measurement result of a downlink reference signal or a beam recovery mechanism is determined to be initiated by the network-side device based on a measurement result of an uplink reference signal; and switching to the new BPL for data transmission. 1. A method for beam recovery processing , comprising:transmitting, by a network-side device, a first indication message to a mobile terminal in response to that a preset trigger condition is met, wherein the first indication message is used to indicate a new beam pair link BPL, and the preset trigger condition comprises that a beam recovery mechanism is determined to be initiated by the mobile terminal based on a measurement result of a downlink reference signal or a beam recovery mechanism is determined to be initiated by the network-side device based on a measurement result of an uplink reference signal; and switching to the new BPL for data transmission.2. The method according to claim 1 , wherein before transmitting claim 1 , by the network-side device claim 1 , the first indication message to the mobile terminal claim 1 , the method further comprises:receiving target data that is transmitted, to the network-side device, by the mobile terminal according to the measurement result of a second metric of the downlink reference signal; anddetermining whether the preset trigger condition is met based on the target data, wherein the target data is a random access preamble of a physical random access channel PRACH, or a request message transmitted by the ...

TRANSMISSION BEAM DETERMINATION METHOD, TRANSMITTING END DEVICE AND RECEIVING END DEVICE

The present disclosure provides a transmission beam determination method, a transmitting end device and a receiving end device. The transmission beam determination method includes: transmitting, by the transmitting end device, beam training signals for N number of transmission beams to the receiving end device; receiving, by the transmitting end device, identification information about Q number of transmission beams in the N number of transmission beams and group information about each transmission beam in the Q number of transmission beams from the receiving end device, the Q number of transmission beams including G number of transmission beam groups, the G number of transmission beam groups being acquired by the receiving end device in accordance with a measurement result, the measurement result being a measurement result acquired after the receiving end device has received and measured the beam training signals from the transmitting end device; and determining, by the transmitting end device, that a signal is capable of being transmitted simultaneously to the receiving end device via transmission beams in the Q number of transmission beams belonging to different transmission beam groups. 1. A transmission beam determination method , comprising:transmitting, by a transmitting end device, beam training signals for N number of transmission beams to a receiving end device, N being a positive integer;receiving, by the transmitting end device, identification information about Q number of transmission beams in the N number of transmission beams and group information about each transmission beam in the Q number of transmission beams from the receiving end device, the Q number of transmission beams comprising G number of transmission beam groups, the G number of transmission beam groups being acquired by the receiving end device in accordance with a measurement result, the measurement result being a measurement result acquired after the receiving end device has received ...

USER TERMINAL AND RADIO COMMUNICATION METHOD

A terminal is disclosed including a transmitter that transmits a beam recovery request signal and a processor that controls the transmission of the beam recovery request signal. The transmission of the beam recovery request signal is controlled by the processor based on a received power that is measured using a channel state information reference signal (CSI-RS) resource or a synchronization signal (SS) block that is quasi co-located (QCL) with a demodulation reference signal of a downlink control channel. In other aspects, a radio communication method is also disclosed. 16-. (canceled)7. A terminal comprising:a transmitter that transmits a beam recovery request signal; anda processor that controls the transmission of the beam recovery request signal based on a received power that is measured using:a channel state information reference signal (CSI-RS) resource ora synchronization signal (SS) block that is quasi co-located (QCL) with a demodulation reference signal of a downlink control channel.8. The terminal according to claim 7 , wherein the processor further controls the transmission of the beam recovery request signal based on a received power that is measured using a CSI-RS resource or a SS block that is associated with a candidate beam.91. The terminal according to claim 7 , wherein the received power is a Layer Reference Signal Received Power (L1-RSRP).10. The terminal according to claim 7 , wherein the beam recovery request signal is a Physical Random Access Channel (PRACH) preamble.11. The terminal according to claim 7 , wherein the processor further decodes claim 7 , in a predetermined search space claim 7 , a downlink control channel for a response signal to the beam recovery request signal.12. A radio communication method comprising:transmitting a beam recovery request signal; andcontrolling the transmission of the beam recovery request signal based on a received power that is measured using:a channel state information reference signal (CSI-RS) resource ...

METHOD AND APPARATUS FOR BEAM MEASUREMENT AND MANAGEMENT IN WIRELESS SYSTEMS

A method of user equipment (UE) for beam management in a wireless communication system comprises receiving, from a base station (BS), at least two groups of Tx beams comprising transmit (Tx) signals generated from different antenna panels, the at least two groups of Tx beams transmitted through reference signals; receiving, from the BS, configuration information including a selection constraint for the at least two groups of Tx beams; measuring, based on the configuration information, at least one beam from each of the at least two groups of beams; selecting at least one Tx beam from each of the at least two groups and a same Rx beam set as an Rx beam corresponding to respective selected Tx beams; and transmitting, to the BS, a reporting message including information of the selected Tx beams and the selected same Rx beam set corresponding to the Rx beam. 1. A method for operating a user equipment (UE) in a wireless communication system , the method comprising:receiving, from a base station (BS), configuration information regarding a channel state information (CSI) reporting; andtransmitting, to the BS, report information based on the configuration information, the report information comprising first information for indicating a first transmit beam and second information for indicating a second transmit beam,wherein a receive beam of the UE is usable for receiving a first signal based on the first transmit beam and a second signal based on the second transmit beam.2. The method of claim 1 , wherein the first transmit beam and the second transmit beam are associated with the receive beam of the UE.3. The method of claim 1 , wherein the configuration information comprising information for configuring the UE to transmit a report for at least two transmit beams that are associated with a same receive beam of the UE claim 1 , andwherein the first transmit beam and the second transmit beam are identified based on the configuration information.4. The method of claim 1 , ...

COMMUNICATION SYSTEM WITH BEAM QUALITY MEASUREMENT

A method, performed by a communication device, comprising a) measuring a respective beam quality for each of a plurality of beams of a cell, b) identifying, within said plurality of beams, a first group of beams comprising a number, N, of beams, c) selecting, from within said first group of beams, a second group of beams comprising a number, M, of beams, and d) deriving a cell quality for the cell based on the measured beam qualities for the M beams of the second group. 1. A method , performed by a communication device , the method comprising:a) measuring a respective beam quality for each of a plurality of beams of a cell;b) identifying, within said plurality of beams, a first group of beams comprising a number, N, of beams wherein each beam of said first group exhibits a respective measured beam quality that is among N best measured beam qualities arising from said measuring;c) selecting, from within said first group of beams, a second group of beams comprising a number, M, of beams that have a measured beam quality that is better than, or equal to, a best measured beam quality for the beams within said first group less a preconfigured offset;d) deriving a cell quality for the cell based on the measured beam qualities for the M beams of the second group.2. The method according to claim 1 , further comprising reporting the cell quality to a base station in a measurement report.3. The method according to claim 2 , further comprising determining a correlation between at least one pair of beams of said first and/or second group.4. The method according to claim 3 , wherein information identifying said correlation is included in said measurement report separately from the derived cell quality.5. The method according to claim 3 , wherein the cell quality is further derived based on the determined correlation.6. The method according to claim 2 , wherein information identifying the number claim 2 , M claim 2 , of beams in the second group is included in said measurement ...

ENHANCED ESTABLISHMENT OF COMMUNICATION BETWEEN NODES IN A COMMUNICATION SYSTEM

The present disclosure relates to a wireless communication system () comprising a first network node () and a wireless device () and is adapted to establish communication between the first network node () and the wireless device (). The wireless device () is adapted to obtain information related to a geographic location of the wireless device (), to transmit the information related to the geographic location to the first network node (), and to transmit a Sounding Reference Signal, SRS, to the first network node (). The network node () is adapted to receive information related to a geographic location of the wireless device (), and to determine an antenna configuration of the first network node () for communicating with the wireless device () via a directive antenna (), based on the geographic location of the wireless device (). The network node () is furthermore adapted to communicate with the wireless device () by the first network node (), via the directive antenna (), by means of the determined antenna configuration. 1. A method for establishing communication between a first network node and a wireless device in a wireless communication system , performed by a network node , the method comprising;obtaining information related to a geographic location of the wireless device;determining an antenna configuration of the first network node for communicating with the wireless device via a directive antenna, based on the geographic location of the wireless device; andcommunicating with the wireless device by the first network node, via the directive antenna, using the determined antenna configuration.2. The method according to claim 1 , comprising:requesting the wireless device to transmit the information related to geographic location to the first network node.3. The method according to any claim 1 , wherein the obtaining of information comprises:receiving the information related to said geographic location via a directive beam of the directive antenna, wherein the ...

METHOD FOR MANAGING RADIO RESOURCES IN COMMUNICATION SYSTEM AND APPARATUS FOR THE SAME

A beam management method, performed by a terminal in a communication system, includes receiving a control message including at least one parameter used for beam management from a first base station, performing a monitoring operation on a first beam configured between the first base station and the terminal based on the at least one parameter, detecting a beam problem in the first beam based on the monitoring operation, and in response to determination that the beam problem is detected in the first beam, performing a recovery operation on the first beam. 1. A terminal in a communication system , the terminal comprising:a processor;a memory in electronic communication with the processor; andinstructions stored in the memory and operable, when executed by the processor, to cause the terminal to:configure one or more cells with a base station;receive resource information of a random access (RA) procedure for beam failure recovery (BFR) of a first cell among the one or more cells from the base station;receive configuration information including timer information for the BFR from the base station;perform a measurement operation in the first cell of the base station; andwhen beam failure is detected in the first cell, perform a non-contention-based RA procedure using the resource information of the RA procedure for the BFR in the first cell of the base station before a timer corresponding to the timer information expires.2. The terminal according to claim 1 , wherein the instructions further cause the terminal to:when the beam failure is detected in the first cell, perform a contention-based RA procedure in the first cell of the base station after the timer expires.3. The terminal according to claim 1 , wherein the non-contention-based RA procedure is not performed after the timer expires.4. The terminal according to claim 1 , wherein the resource information includes at least one of a RA preamble index claim 1 , masking information claim 1 , a preamble format of a ...

BEAM MANAGEMENT METHODS AND APPARATUS

Methods and apparatus for selecting a beam mode and/or beam for communicating with one or more devices are described. The beam mode selection maybe and sometimes is between a broad beam mode of operation and a narrow beam mode of operation with respect to a particular device. Communication with one or more device may happen at a given time with the preferred beam mode and/or choice for an individual device sometimes being replaced with a beam mode and/or beam choice which is preferable from an overall system perspective, e.g., because it allows data transmission and/QoS requirements to multiple devices to be supported better than would be achieved if the preferred beam mode and/or beam selection made with respect to an individual device was used. The beam mode and/or beam selected for traffic data communication sometimes is different from the beam mode and/or beam used for communicating control channel information. 1. A method of operating a first communications device , the method comprising;receiving, from a second communications device, signal quality information for a first period of time corresponding to beams transmitted by the first communications device;identifying a set of X broad beams having the best reported quality, said set of X beams including one or more broad beams;identifying a set of Y narrow beams having the best reported quality, said set of Y beams including one or more narrow beams;determining a first quality variance for the best Y beam for the first period of time; anddetermining a preferred beam mode based on at least the first quality variance, said preferred beam mode being one of a broad beam mode or a narrow beam mode.2. The method of claim 1 , wherein determining the preferred beam mode includes:determining if the first quality variance is greater than a first threshold; andsetting the preferred beam mode to narrow beam mode when it is determined that the first quality variance is not greater than the first threshold.3. The method of ...

Communication device and method for low-latency initial access to non-standalone 5g new radio network

A communication device initiates beam acquisition in a receive-only mode. Beam reception is set to an omni mode in which different beams of RF signals are receivable at the communication device from different directions. A primary signal synchronization (PSS) search is executed from each signal synchronization block location based on control information acquired directly from a first base station over a long-term evolution (LTE) control plane link or from a customer premise equipment (CPE) or user equipment (UE) that is in a radio resource control (RRC) connected state. The communication of the beam of RF signals that has highest received signal strength is activated in a new radio (NR) frequency to the UE or the CPE based on at least a PSS detected in the PSS search, for low-latency non-standalone access to the beam of RF signals in NR frequency at the UE or the CPE.

User terminal and radio communication method

To perform communication properly in a radio communication system for supporting different numerology from the existing LTE system, provided are a reception section that receives a broadcast channel set for each predetermined frequency band, and a control section that controls reception of the broadcast channel in each frequency band, and in broadcast channels that respectively correspond to different frequency bands, at least one of a size, a resource amount and notification contents is set independently.

Method by which d2d terminal forms communication link with communication device in wireless communication system, and apparatus for same

According to various embodiments, disclosed are a method by which a device-to-device (D2D) terminal (UE) forms a communication link in a wireless communication system, and an apparatus for the same. Disclosed are a method by which a D2D UE forms a communication link in a wireless communication system, and an apparatus for the same, the method comprising the steps of: acquiring load information on the load measured according to beam direction; selecting, on the basis of the load information, any one communication device among at least one communication device corresponding according to beam direction; and forming a communication link with the selected communication device.

BEAM FAILURE RECOVERY METHOD AND USER EQUIPMENT

The present disclosure provides a beam failure recovery method and a UE. The beam failure recovery method includes: performing beam failure recovery using non-contention-based random access; and performing the beam failure recovery using contention-based random access in the case that the non-contention-based random access fails. 1. A Beam Failure Recovery (BFR) method , comprising:performing BFR using non-contention-based random access;performing the BFR using contention-based random access in the case that the non-contention-based random access fails.2. The BFR method according to claim 1 , wherein the performing the BFR using the contention-based random access in the case that the non-contention-based random access fails comprises:detecting channel quality of a beam for which a non-contention-based random access resource for the BFR has been configured in the case that the non-contention-based random access fails;when the channel quality of the beam for which the non-contention-based random access resource for the BFR has been configured is smaller than a predetermined threshold, performing the BFR using the contention-based random access.3. The BFR method according to claim 1 , whereinMsg1 initial received target power of the contention-based random access for the BFR is Msg1 initial received target power preconfigured for the contention-based random access; and/oran Msg1 power ramping step of the contention-based random access for the BFR is an Msg1 power ramping step preconfigured for the contention-based random access.4. The BFR method according to claim 1 , wherein a maximum quantity of random access processes for determining that the BFR fails is one of:a maximum quantity of random access processes configured for the non-contention-based random access for the BFR;a maximum quantity of random access processes configured for the contention-based random access;a smaller one of the maximum quantity of random access processes configured for the non-contention- ...

METHODS AND DEVICES FOR DETERMINING SUITABLE TRANSMIT DIRECTIONS FOR BEAMFORMED TRANSMISSION

Methods, devices and computer programs for determining new transmit directions to use for beamformed transmissions in case the link quality of an existing direction falters. A transmitting communication device and a receiving communication device cooperate via a beam tracking procedure to determine a new suitable transmit direction to use for upcoming beamformed transmissions. Information relating to the beam tracking procedure is communicated over an existing link that enables communication between the transmitting and receiving communication devices. The receiving communication device provides the transmitting communication device with information about a beam scan performed in order to detect tracking beams transmitted by the transmitting communication device. This information allows the transmitting communication device to determine suitable transmit directions to use. 1. A method performed by a transmitting communication unit for determining beam directions to use for communication between the transmitting communication unit and a receiving communication unit , the transmitting communication unit and the receiving communication unit being connected through an existing radio link , wherein the method comprising:transmitting a message over the existing radio link to trigger the receiving communication unit to perform a beam scan;transmitting, according to a pre-determined transmission scheme, tracking beams in different transmit directions for the receiving communication unit to perform the beam scan to detect a transmitted tracking beam;receiving information relating to the outcome of the performed beam scan from the receiving communication unit over the existing radio link; anddetermining, based on the received information, a transmit direction to use for beamformed transmissions to the receiving communication unit.2. The method according to claim 1 , wherein the transmitting communication unit and the receiving communication unit are synchronized to a common ...

COMPRESSED CSI FEEDBACK FOR NON-CONTIGUOUS FREQUENCY RESOURCES

Certain aspects of the present disclosure provide techniques for a basis report for compressed channel state information (CSI) feedback with a non-contiguous subband configuration. A method for wireless communication by a user equipment (UE) includes receiving a CSI report configuration configuring the UE for reporting precoding matrix information including, a plurality of selected beams, a frequency domain compression matrix for each of the beams at each of a plurality of taps in the time domain, and a subset of a plurality of linear combination coefficients associated with the frequency domain compression matrices and beams. The UE receives a configuration of non-contiguous frequency resources for CSI reporting. The UE may perform frequency domain compression of the precoding matrix information using a truncated frequency domain compression matrix or performing separate frequency domain compression of the precoding matrix information for each set of contiguous frequency resources. 1. A method for wireless communication by a user equipment (UE) , comprising:receiving a channel state information (CSI) report configuration, configuring the UE for reporting at least a subset of precoding matrix information including, a plurality of selected beams, a frequency domain compression matrix for each of the beams at each of a plurality of taps in the time domain, and a subset of a plurality of linear combination coefficients associated with the frequency domain compression matrices and beams;receiving a configuration of non-contiguous frequency resources for CSI reporting; andperforming frequency domain compression of the precoding matrix information using a truncated frequency domain compression matrix.2. The method of claim 1 , further comprising:determining the number of configured frequency resources based on a starting and ending frequency resource index.3. The method of claim 2 , further comprising reporting the frequency domain basis claim 2 , wherein the number of ...

SYSTEMS AND METHODS FOR SURROUNDING BEAM INFORMATION INDICATION

In one aspect, a method of wireless communication includes obtaining, by a user equipment (UE), measurement information for a current beam and one or more surrounding beams. The method also includes generating, by the UE, surrounding beam information based on the measurement information. The method further includes outputting, by the UE, an indication of the surrounding beam information. Other aspects and features are also claimed and described. 1. A method of wireless communication comprising:obtaining, by a user equipment (UE), measurement information for a current beam and one or more surrounding beams;generating, by the UE, surrounding beam information based on the measurement information; andoutputting, by the UE, an indication of the surrounding beam information.2. The method of claim 1 , wherein the indication is a visual indication claim 1 , an auditory indication claim 1 , a haptic indication claim 1 , or a combination thereof.3. The method of claim 1 , wherein outputting the indication includes:displaying, by the UE, a visual indication of the surrounding beam information, and wherein the visual indication of the surrounding beam information indicates a throughput value, a bandwidth value, or both, for at least one beam of the one or more surrounding beams.4. The method of claim 3 , wherein the throughput value indicates an estimated throughput value of a location corresponding to the at least one beam or indicates a change in throughput value for the location with respect to a current location of the current beam.5. The method of claim 1 , wherein the indication of the surrounding beam information comprises a notification claim 1 , wherein the notification illustrates a speed claim 1 , a distance claim 1 , and a direction for at least one beam of the one or more surrounding beams claim 1 , wherein the speed indicates a bandwidth value or throughput value for a particular surrounding beam claim 1 , wherein the distance indicates a distance value from a ...

METHODS AND APPARATUS FOR MITIGATING CODEBOOK INACCURACY WHEN USING HIERARCHICAL BEAM OPERATIONS

Methods and apparatuses in a wireless communication system. A method of operating a BS includes: receiving a first measurement report indicating information about at least first and second wide beams in a set of wide beams for a beam selection, the first measurement report generated based on measurement of a first set of child narrow beams of the first wide beam; determining whether a condition is detected for requesting measurement of a second set of child narrow beams of a second wide beam in the set of wide beams; determining to request the UE to measure the second set of child narrow beams of the second wide beam and; selecting a child narrow beam for use from one of the first set of child narrow beams and the second set of child narrow beams; and selecting the child narrow beam for use from the first set of child narrow beams. 1. A base station (BS) in a wireless communication system , the BS comprising:a transceiver configured to receive, from a user equipment (UE), a first measurement report indicating information about at least first and second wide beams in a set of wide beams for a beam selection, the first measurement report generated based on measurement of a first set of child narrow beams of the first wide beam; and determine based on the first measurement report, whether a condition is detected for requesting measurement of a second set of child narrow beams of a second wide beam in the set of wide beams;', 'based on a determination that the condition is detected, determine to request the UE to measure the second set of child narrow beams of the second wide beam and, after receipt of a second measurement report indicating information about the second set of child narrow beams, select a child narrow beam for use from one of the first set of child narrow beams and the second set of child narrow beams; and', 'based on a determination that the condition is not detected, select the child narrow beam for use from the first set of child narrow beams., 'a ...

SIGNALING TO CHILD NODES FOR BACKHAUL BEAM FAILURE IN FIFTH GENERATION (5G) NEW RADIO (NR) (5G-NR) INTEGRATED ACCESS AND BACKHAUL (IAB)

Technology is disclosed for a relay node (RN) operable for backhaul beam failure recovery (BFR) in a fifth generation (5G) new radio (NR) integrated access and backhaul (IAB) network. The relay node can be configured to: decode a periodic reference signal for beam failure instance detection received from a donor node (DN); identify abeam failure between the RN and the DN, wherein the beam failure occurs when N beam failure instances are identified, wherein N is a positive integer; identify whether a candidate beam of one or more candidate beams at the RN has a reference signal greater than a threshold; prepare a BFR request; and encode the BFR request. 1. An apparatus of a relay node (RN) operable for backhaul beam failure recovery (BFR) in a fifth generation (5G) new radio (NR) integrated access and backhaul (IAB) network , the apparatus comprising: decode, at the RN, a periodic reference signal for beam failure instance detection received from a donor node (DN);', 'identify, at the RN, a beam failure between the RN and the DN, wherein the beam failure occurs when N beam failure instances are identified, wherein N is a positive integer;', 'identify, at the RN, whether a candidate beam of one or more candidate beams at the RN has a reference signal greater than a threshold;', the BFR request includes candidate beam information for the candidate beam of the one or more candidate beams when the reference signal of the candidate beam is greater than the threshold; and', 'the BFR request does not include the candidate beam information for the candidate beam of the one or more candidate beams when the reference signal of the candidate beam is less than the threshold; and, 'prepare, at the RN, a BFR request wherein, 'encode, at the RN for transmission to the DN, the BFR request; and, 'one or more processors configured toa memory interface configured to store the BFR request in a memory.2. The apparatus of claim 1 , wherein the one or more processors are further configured ...

SYSTEMS AND METHODS FOR MEASUREMENT PERIOD AND ACCURACY FOR BEAM REPORTING BASED ON L1-RSRP

Systems and methods provide for beam detection in a wireless communication system. An apparatus for a UE may be configured to identify a plurality of CSI-RS resources corresponding to different Tx beams configured for measurement by the UE, measure an L1-RSRP for the plurality of CSI-RS resources, determine a selected Tx beam of the different Tx beams based on measured L1-RSRP values for the plurality of CSI-RS resources, and determine a measurement accuracy of a first L1-RSRP value corresponding to the selected Tx beam based on successful beam detection probability. 1. An apparatus a user equipment (UE) , the apparatus comprising:a memory interface to send or receive, to or from a memory device, data for a report to send to a g Node B (gNB) in a wireless network;measurement circuitry to measure a layer one reference signal received power (L1-RSRP) for a plurality of resources corresponding to different transmit (Tx) beams configured for measurement by the UE; and determine a selected Tx beam of the different Tx beams based on measured L1-RSRP for the plurality of resources, wherein an L1-RSRP value corresponding to the selected Tx beam is measured with a predetermined L1-RSRP accuracy to provide that the selected Tx beam is within a number of largest L1-RSRP values of the measured L1-RSRP of the different Tx beams; and', 'generate the report including an indication of the selected Tx beam and the L1-RSRP value measured with the predetermined L1-RSRP accuracy., 'a baseband processor to2. The apparatus of claim 1 , wherein the predetermined L1_RSRP accuracy is ±2.5 dB.3. The apparatus of claim 2 , wherein the different Tx beams comprise 8 Tx beams claim 2 , and wherein the number of largest L1-RSRP values correspond to 5 best beams of the 8 Tx beams.4. The apparatus of claim 2 , wherein the different Tx beams comprise 16 Tx beams claim 2 , and wherein the number of largest L1-RSRP values correspond to 8 best beams of the 16 Tx beams.5. The apparatus of claim 2 , ...

INDICATING USER EQUIPMENT (UE) POLORIZATION TRACKING CAPACITY

A method () performed by a wireless terminal () in a wireless communication network () is provided. In the method (), based on a (fundamental) polarization tracking capability of the wireless terminal (), at least one downlink polarization of at least one downlink communication between the wireless terminal () and an access node () of the wireless communication network () is determined (). A reference polarization from the at least one downlink polarization is selected (). Based on the reference polarization and a (momentary) polarization tracking ability of the wireless terminal (), at least one uplink polarization of at least one uplink communication between the wireless terminal () and the access node () is configured (). A corresponding method () performed by the access node () is also provided, as well as the mentioned wireless terminal () and the access node (). 1. A method performed by a wireless terminal in a wireless communication network , the method comprising:based on a polarization tracking capability of the wireless terminal, determining at least one downlink polarization of at least one downlink communication between the wireless terminal and an access node of the wireless communication network;selecting a reference polarization from the at least one downlink polarization; andbased on the reference polarization and a polarization tracking ability of the wireless terminal, configuring at least one uplink polarization of at least one uplink communication between the wireless terminal and the access node.2. The method of claim 1 , further comprisingtransmitting, to the access node, a first indication of the polarization tracking capability of the wireless terminal.3. The method of claim 1 , further comprisingreceiving, from the access node, a trigger for activation of the polarization tracking capability of the wireless terminal.4. The method of claim 1 , further comprisingin response to receiving the trigger, activating the polarization tracking ...

User terminal and radio communication method

A user terminal according to one aspect of the present disclosure includes: a receiving section that receives at least one signal of a synchronization signal block (SSB) or a channel state information reference signal (CSI-RS); and a control section that measures interference by using the signal in a first resource specified in a specification. According to one aspect of the present disclosure, interference can be measured appropriately.

MANAGEMENT TECHNIQUES FOR WIRELESS NETWORK MOBILITY PROCEDURES

Connection management techniques for wireless network mobility procedures are described. In one embodiment, for example, an evolved packet core (EPC) node may comprise a processor circuit to receive a notification of a mobility procedure for a user equipment (UE), determine whether to release a local gateway (L-GW)-provided packet data network (PDN) connection of the UE, and in response to a determination that the L-GW-provided PDN connection is to be released, send either a detach request message or a delete session request message to initiate a process for releasing the L-GW-provided PDN connection. Other embodiments are described and claimed. 1. An evolved packet core (EPC) node , comprising:a processor circuit to receive a notification of a mobility procedure for a user equipment (UE), determine whether to release a local gateway (L-GW)-provided packet data network (PDN) connection of the UE, and in response to a determination that the L-GW-provided PDN connection is to be released, send either a detach request message or a delete session request message to initiate a process to release the L-GW-provided PDN connection.2. The EPC node of claim 1 , the L-GW-provided PDN connection comprising a selected internet protocol traffic offload at local network (SIPTO@LN) PDN connection.3. The EPC node of claim 1 , the processor circuit to send a detach request message to initiate a mobility management entity (MME)-initiated detach process to release the L-GW-provided PDN connection in response to a determination that the L-GW-provided PDN connection comprises an only PDN connection of the UE.4. The EPC node of claim 1 , the processor circuit to send a delete session request message to initiate a mobility management entity (MME)-requested PDN disconnection process to release the L-GW-provided PDN connection in response to a determination that the L-GW-provided PDN connection does not comprise an only PDN connection of the UE.5. The EPC node of claim 4 , the processor ...

UPLINK BASED FORWARD MOBILITY

A wireless transmit/receive unit (WTRU) may communicate with a serving cell and monitor suitable non-serving cell(s) may be monitored. Uplink-based forward mobility may be performed. The WTRU may transmit control signaling that may indicate an ordered list of candidate target cell(s) using resources of the source cell. A resume procedure towards a non-serving cell may be initiated while in connected state with serving cell. Upon a successful resume in non-serving cell, the connection may be disconnected from the serving cell. 120-. (canceled)21. A wireless transmit/receive unit (WTRU) , the WTRU comprising:a memory; and [ 'determine that an egress condition for a source cell and an ingress condition for a target cell have been satisfied, the target cell being a neighbor cell from the one or more neighbor cells;', 'monitor one or more neighbor cells;'}, suspend one or more of a beam failure recovery procedure associated with the source cell and a radio link failure procedure associated with source cell;', 'receive a resume response from the target cell; and', 'release the connection to the source cell., 'send a resume request to the target cell when the egress condition and the ingress condition have been satisfied while maintaining a connection to the source cell;'}], 'a processor, the processor configured to22. The WTRU of claim 21 , wherein the resume response indicates that a resume procedure with the target cell is successful.23. The WTRU of claim 22 , wherein the processor is configured to release the connection to the source cell based on the resume response indicating that the resume procedure with the target cell is successful.24. The WTRU of claim 21 , wherein the resume response indicates that a resume procedure associated with the target cell has failed.25. The WTRU of claim 21 , wherein the ingress condition is a condition for entering the target cell.26. The WTRU of claim 21 , wherein the target cell is a first target cell claim 21 , the ingress ...

Method and device for sidelink groupcast communication

Disclosed are a method and a device for sidelink groupcast communication. A method for operating a transmitting terminal comprises the steps of: transmitting an SS/PBCH block for sidelink communication in all directions by using a beam sweeping method; receiving, from a plurality of receiving terminals, first feedback information about the SS/PBCH block; and transmitting a sidelink channel in a specific direction by using beams of the transmitting terminal that are determined on the basis of the first feedback information. Therefore, communication system performance can be improved.

Method and apparatus for random access in a wireless communication system

Methods and apparatuses for random access in a wireless communication system are disclosed herein. In one method, a user equipment (UE) performs a first attempt of a random access procedure to communicate with a cell via at least a first UE beam. The UE performs a second attempt of the random access procedure to communicate with the cell via at least a second UE beam when the first attempt fails, in which the direction of the first UE beam and the direction of the second UE beam are different.