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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 250. Отображено 100.
26-11-2018 дата публикации

LT 부호를 이용한 행렬 생성 방법과 그를 위한 부/복호화 장치

Номер: KR0101922205B1

LT 부호를 이용한 행렬 생성 방법과 그를 위한 부/복호화 장치를 개시한다. 가변 길이 정보를 갖는 데이터에 대한 LT(Luby-Transform) 부호화를 위해 복수의 부행렬을 포함하는 최대 부호화 행렬을 생성하는 최대 부호화 행렬 생성부; 밀집 행렬을 생성하는 밀집 행렬 생성부; 상기 최대 부호화 행렬과 상기 밀집 행렬 중 일부의 정보만을 추출한 후 결합한 상기 LT 부호화 행렬을 생성하는 LT 부호화 행렬 생성부; 및 상기 LT 부호화 행렬을 이용하여 상기 가변 길이 정보를 갖는 데이터를 부호화하여 부호화 패킷을 생성하는 부호화부를 포함하는 것을 특징으로 하는 부호화 장치를 제공한다. 본 실시예에 의하면, 응용 계층에서 가변 길이 정보를 갖는 데이터에 대해 LT 부호를 적용하여 오류 정정이 적용되도록 하는 효과가 있다.

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03-05-2018 дата публикации

FDR 방식을 사용하는 장치가 자기간섭 제거를 수행하기 위한 방법

Номер: KR1020180045022A
Принадлежит:

FDR (Full Duplex Radio) 방식을 사용하는 기지국이 자기간섭 제거를 수행하기 위한 방법은, 상기 자기간섭 채널의 추정을 위해 변경된 참조신호(Reference Signal, RS) 파워 부스팅과 관련된 정보를 단말에게 전송하는 단계; 상기 변경된 RS 파워 부스팅에 기초하여 RS를 전송하는 단계; 상기 RS에 따른 자기간섭 채널을 추정하는 단계; 및 상기 자기간섭 채널의 추정에 기초하여 자기간섭 제거를 수행하는 단계를 포함할 수 있다.

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13-06-2016 дата публикации

위상 천이 오차의 사전보상

Номер: KR1020160067203A
Принадлежит:

... 본 명세서에서는 위상 천이 오차의 사전 보상 방법 및 그 장치를 개시한다. 일례로, 장치는 디지털 신호의 프리코딩을 수행하면서, 상기 프리코딩의 위상천이에 의해 발생되는 오차에 대한 정보를 획득한다.그 후, 상기 장치는 상기 획득된 정보에 기초하여 상기 디지털 신호에 대한 위상 보상을 사용한다. 여기서, 상기 위상 보상은 상기 프리코딩의 위상 천이량에 기초하여 상이한 위상량을 보상할 수 있다 이러한 위상 보상된 디지털 신호는 아날로그 신호로 변환되어 수신기에 전송된다.

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17-09-2015 дата публикации

METHOD FOR TRANSMITTING AND RECEIVING SIGNAL FOR LOW LATENCY IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

Номер: WO2015137649A1
Принадлежит:

A method for a terminal transmitting an uplink signal for low transmission latency in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: transmitting to a base station an uplink control channel containing control information on an uplink data channel; and transmitting the uplink data channel. Here, the uplink data channel is transmitted in at least one advanced subframe comprising M number of orthogonal frequency division multiplexing (OFDM) symbols, and the uplink control channel is transmitted in at least one special symbol which is separate from the advanced subframe.

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03-05-2018 дата публикации

METHOD FOR DIVIDING CARRYING BLOCK OF LDPC CODE AND APPARATUS THEREFOR

Номер: WO2018079987A1
Принадлежит:

Disclosed are a method for dividing a carrying block of a Low Density Parity Check (LDPC) code and an apparatus therefor. The method for dividing a LDPC code of the present disclosure can obtain a high throughput by using a limited size of shifting network. Moreover, it is possible to prevent degradation in performance due to a minimum size of code block by performing shortening for a large size of code block while minimizing the number of code blocks. Furthermore, in selection of a minimum size of code block, since a minimum size of code block is selected on the basis of shortening for a relatively large size of code block, it is possible to increase the size of the minimum size of code block.

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18-01-2019 дата публикации

무선 통신 시스템에서 LDPC 부호의 패리티 검사 행렬을 기반으로 부호화를 수행하는 방법 및 이를 이용한 단말

Номер: KR1020190006569A
Принадлежит:

... 본 일 실시 예의 LDPC 부호의 패리티 검사 행렬을 기반으로 부호화를 수행하는 방법에 따르면, 단말에 의해, 패리티 검사 행렬을 생성하되, 패리티 검사 행렬은 특성 행렬에 상응하고, 특성 행렬의 각 성분은 기본 행렬 내에서 대응되는 성분과 리프팅 값 간의 모듈로 연산을 통해 정해진 시프트 인덱스(shift index) 값과 상응하고, 기본 행렬은 46 x 68 행렬인, 단계; 및 단말에 의해, 패리티 검사 행렬을 이용하여 입력데이터에 대한 부호화를 수행하는 단계를 포함하되, 리프팅 값은 입력데이터의 길이와 연관되는, 단계를 포함한다.

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18-01-2017 дата публикации

무선 통신 시스템에서 핸드오버를 수행하는 방법 및 장치

Номер: KR1020170007407A
Принадлежит:

... 본 발명의 일 실시예에 따라서 고정 셀(Fixed Cell)에 접속한 단말이 이동 셀(Moving Cell)로 핸드오버를 수행하는 방법은, 상기 고정 셀로부터 상기 이동 셀에 대한 측정 보고 조건을 포함하는 측정 설정 정보를 수신하는 단계; 상기 이동 셀에 대한 측정 결과가 상기 측정 보고 조건을 만족하는 경우, 상기 이동 셀에 대한 측정 결과를 상기 고정 셀에 보고하는 단계; 상기 고정 셀에 대한 주 연결(Primary Connection)에 추가하여, 상기 이동 셀에 대한 부 연결(Secondary Connection)을 설정하는 단계; 및 상기 고정 셀에 대한 주 연결을 해제하고 상기 이동 셀에 대한 부 연결을 주 연결로 전환함으로써, 상기 이동 셀로 핸드오버하는 단계를 포함한다.

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17-11-2016 дата публикации

METHOD FOR ALLOCATING FREQUENCY RESOURCES IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS USING SAME

Номер: WO2016182136A1
Принадлежит:

Provided are a method and an apparatus for allocating, by a first OFDM system and a second OFDM system, frequency resources, which are multiplexed in a frequency region, in a wireless communication system. Specifically, the sizes of the frequency resources of the first OFDM system, which corresponds to an existing OFDM, and the second OFDM system, which corresponds to a UF-OFDM, are determined. Adjacent subcarriers are instructed to allocate any one of a guard carrier and a subcarrier to which null data is allocated, while performing frequency resource allocation between the first and second OFDM systems in accordance with the determined sizes of the frequency resources. The information regarding the frequency resource allocation, which comprises information indicative of either the guard carrier or the subcarrier, is transmitted.

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12-05-2016 дата публикации

METHOD AND APPARATUS FOR RECEIVING SIGNAL IN WIRELESS ACCESS SYSTEM SUPPORTING FDR TRANSMISSION

Номер: WO2016072532A1
Принадлежит:

The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. A method for a terminal for receiving a signal in a wireless access system supporting FDR transmissions according to one embodiment of the present invention comprises the steps of: a terminal receiving, from a base station, scheduling information for relay data transmitted from the base station to the terminal by means of the relay of a relay terminal; and receiving relay data from the relay terminal on the basis of the scheduling information, wherein the terminal and relay terminal transceive information by means of FDR transmission, and the scheduling information may comprise an indicator as to where the relay data is transmitted from among the relay terminal and base station, and information regarding the frequency band of the signal transmitted by the relay terminal.

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07-01-2016 дата публикации

NEW UPLINK REFERENCE SIGNAL TRANSMISSION METHOD AND DEVICE IN MILLIMETRE-WAVE-SUPPORTING WIRELESS ACCESS SYSTEM

Номер: WO2016003168A1
Принадлежит:

The present invention provides a method for defining, and for transmitting, a new uplink reference signal and devices supporting the method. In one embodiment of the present invention, a method in which a terminal transmits a millimetre wave reference signal (mW-RS) in a millimetre-wave(mmWave)-supporting wireless access system comprises the steps of: receiving a downlink reference signal in a predetermined number of sub-frames, and measuring two or more received power levels; determining whether to transmit an mW-RS, based on the value(s) of the difference(s) between the two or more received power levels; and transmitting the mW-RS if it has been decided to transmit an mW-RS. Here, the mW-RS is transmitted in order to measure whether the state of a wireless channel has transitioned between an LoS (Light of Sight) state and a NLoS (Non-LoS) state.

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18-07-2019 дата публикации

METHOD AND APPARATUS FOR TRANSMITTING INFORMATION, AND METHOD AND APPARATUS FOR RECEIVING INFORMATION

Номер: WO2019139412A1
Принадлежит:

A transmission method or a transmission apparatus maps input information of K+n bits to a polar code, encodes the input information on the basis of the polar code, and transmits the encoded input information. The input information includes n parity check bits. n1 bits of the n parity check bits are mapped to least reliable bit positions of K+n bit positions of the polar code, and n-n1 parity check bits (where n-n1 > 0) are mapped to n-n1 bit positions having a minimum row weight among K+n-n1 bit positions excluding the n1 least reliable bit positions among the K+n bit positions.

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10-11-2016 дата публикации

ASYNCHRONOUS MULTIPLE ACCESS METHOD AND DEVICE FOR LOW LATENCY SERVICE

Номер: WO2016178477A1
Принадлежит:

Disclosed is an asynchronous multiple access method and device for a low latency service. The asynchronous multiple access method for low latency service may include the steps of: grouping, by an eNB, each of a plurality of UEs into one UE group among a plurality of UE groups in consideration of each of a plurality of propagation delays of each of the plurality of UEs; receiving, by the eNB, each of a plurality of pieces of uplink data transmitted by each of the plurality of UE groups on each of a plurality of wireless resources allocated for each of the plurality of UE groups at an internal access timing; and transmitting, by the eNB to each of the plurality of UE groups, each of a plurality of ACKs/NACKs signals in response to each of a plurality of uplink frames, wherein the internal access timing can be periodically defined in a symbol unit for the synchronization of transmitting times of the plurality of pieces of uplink data.

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03-08-2017 дата публикации

METHOD FOR TRANSMITTING FEEDBACK INFORMATION IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR

Номер: WO2017131245A1
Принадлежит:

A method by which a terminal transmits feedback information in a wireless communication system comprises a step of transmitting, to a base station, feedback information including: information on a filter for maximizing the power of a signal desired by the terminal in a corresponding resource, for each resource allocated to the terminal; and information on a filter for enabling signals received in resources adjacent to the corresponding resource to maximize interference with the corresponding resource, wherein the information on the filter can include selected filter index information.

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18-08-2016 дата публикации

METHOD FOR SUPPORTING, BY COMMUNICATION DEVICE USING FDR SCHEME, NON-LINEAR SELF-INTERFERENCE CHANNEL ESTIMATION OF MULTIPLE TERMINALS

Номер: WO2016129821A1
Принадлежит:

A method for supporting, by a communication device using a FDR scheme, non-linear self-interference channel estimation of multiple terminals, comprises the steps of: grouping into multiple sequence sets using cross correlation properties in a sequence set predefined to be used for non-linear self-interference channel estimation; and transmitting information on the grouped sequence set groups to be used by the terminal on the basis of the grouping.

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26-04-2018 дата публикации

METHOD FOR TRANSMITTING OR RECEIVING SIGNALS IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

Номер: WO2018074719A1
Принадлежит:

A method for performing, by a terminal, a contention-based uplink transmission in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: selecting any one of a plurality of codewords and any one of a plurality of demodulation reference signals (DMRS), the plurality of codewords and the plurality of DMRSs being set in a contention resource area for a contention-based uplink transmission; and transmitting, through the contention resource area, uplink data that corresponds to the selected codeword, and the selected DMRS, wherein the DMRS is transmitted in an orthogonal multiple access (OMA) scheme, the uplink data is transmitted in a non-orthogonal multiple access (NOMA) scheme, and the selected DMRS is one of the K DMRSs mapped to the selected codeword, wherein K may be an integer greater than or equal to 1, which is changed according to a DMRS collision occurring in the contention resource area.

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29-08-2019 дата публикации

METHOD FOR OPERATING COMMUNICATION DEVICE IN WIRELESS COMMUNICATION SYSTEM, AND COMMUNICATION DEVICE USING SAME

Номер: WO2019164249A1
Принадлежит:

A method for operating a communication device in a wireless communication system, according to the present embodiment, comprises the steps of: determining first information related to an aggregation level for a PDCCH and second information related to a mother code size for a polar code, the aggregation level being related to a first level to a fifth level, the mother code size being related to a first size to a third size, and the second information being determined according to the first information; determining whether the first information is determined to be the third level; and generating a CRC block comprising a masking sequence of a first type, when the first information is considered to be determined to be the third level.

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02-07-2015 дата публикации

METHOD FOR MITIGATING SELF-INTERFERENCE IN FDR COMMUNICATION ENVIRONMENT

Номер: WO2015099342A1
Принадлежит:

Disclosed are a method and a base station for mitigating self-interference in which, in a resource region for transmitting a plurality of downlink control channels, an overlap region is configured, the overlap region being a resource region from which the effects of self-interference due to an uplink communication of a terminal must be removed, and the information regarding the overlap region is transmitted to a terminal connected to a base station and communicating via FDR.

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14-09-2018 дата публикации

무선 통신 시스템에서 상향링크 데이터의 전송 방법 및 이를 위한 장치

Номер: KR0101899034B1
Принадлежит: 엘지전자 주식회사

... 본 명세서는 무선 통신 시스템에서 낮은 지연(low latency)을 요구하는 상향링크 데이터(UL data)의 전송 방법에 있어서, 단말에 의해 수행되는 상기 방법은 특정 단말 및/또는 데이터를 구별하기 위해 사용되는 CPRB(Contention PUSCH Resource Block) 지시 정보를 기지국으로 전송하는 단계; CP 존(Contention based PUSCH Zone)의 CPRB 자원을 통해 UL(Uplink) 데이터를 상기 기지국으로 전송하는 단계; 및 상기 기지국으로부터 상기 UL 데이터에 대한 HARQ(Hybrid Automatic Retransmit reQuest) 응답을 PHICH(Physical Hybrid AKQ Indicator Channel)를 통해 수신하는 단계를 포함하는 것을 특징으로 한다.

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26-05-2017 дата публикации

METHOD FOR PERFORMING COMMUNICATION USING TDD FRAME IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR

Номер: WO2017086554A1
Принадлежит:

A method for a terminal performing communication using a TDD frame in a wireless communication system may comprise the steps of: receiving a synchronization signal (SS) from one symbol of a first subframe of a TDD frame; and transmitting uplink control information via an uplink control zone comprising at least one last symbol in the first subframe.

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23-11-2017 дата публикации

SIGNALING METHOD AND APPARATUS FOR PERFORMING DISCOVERY PROCESS IN WIRELESS ACCESS SYSTEM SUPPORTING MILLIMETER WAVE (MMWAVE)

Номер: WO2017200112A1
Принадлежит:

The present invention relates to a wireless access system supporting millimeter waves (mmWaves) and, more particularly, to signaling methods for performing a discovery process performed in an mmWave cell and apparatuses for supporting the same. As one embodiment of the present invention, a method for supporting an mmWave discovery process in a wireless access system supporting mmWaves may comprise the steps in which: if the quality of an mmWave link is degraded, an mmWave terminal transmits a discovery trigger feedback signal requesting the initiation of the mmWave discovery process; and the mmWave terminal receives an mmWave discovery signal in a subframe indicated by a discovery subframe index. At this time, the discovery trigger feedback signal may include a discovery subframe index indicating a subframe in which the mmWave discovery signal is to be transmitted.

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21-09-2017 дата публикации

METHOD FOR REMOVING SELF-INTERFERENCE SIGNAL IN FDR ENVIRONMENT AND COMMUNICATION APPARATUS FOR SAME

Номер: WO2017159930A1
Принадлежит:

A communication apparatus for eliminating a self-interference signal in an FDR environment comprises: a distributor for distributing signals from a transmission chain to a plurality of lines in a receiving chain; a first self-interference signal replicating unit for generating a self-interference replica signal of a signal distributed to a first line from among the plurality of lines by the distributor; a second self-interference signal replicating unit for generating a self-interference replica signal of a signal distributed to a second line from among the plurality of lines by the distributor; and a self-interference eliminating unit for eliminating self-interference by deducing, from the signals distributed by the distributor, a signal generated by the first self-interference signal replicating unit and a signal generated by the second self-interference signal replicating unit.

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22-03-2023 дата публикации

FDR 환경에서 비선형 디지털 자기간섭 신호를 보정하기 위한 방법 및 장치

Номер: KR102512290B1

FDR 환경에서 비선형 디지털 자기간섭 신호를 보정하기 위한 방법은, 상기 베이스 밴드 부에서 송신된 소정의 임계치 보다 낮은 송신 전력을 갖는 참조신호들을 이용하여 상기 장치의 송신단과 수신단 간의 무선채널 계수를 추정하는 단계; 상기 베이스 밴드 부에서 송신된 상기 소정의 임계치 보다 높은 송신 전력을 갖는 참조신호들을 이용하여 상기 전력 증폭기를 통과하여 수신단에 비선형 왜곡되어 수신된 신호에 대해 상기 추정된 무선채널로 등화함으로써 상기 전력 증폭기를 통과한 비선형 왜곡 출력 신호를 복원하는 단계; 상기 복원된 비선형 왜곡 출력 신호 및 상기 전력 증폭기의 선형 이득에 기초하여 디지털 전치 보정 함수를 생성하는 단계; 및 상기 생성된 디지털 전치 보정 함수를 상기 송신단의 베이스밴드(baseband)에서의 출력 신호에 적용하여 디지털 전치 보정을 수행하는 단계를 포함할 수 있다.

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19-10-2017 дата публикации

OPERATING METHOD ACCORDING TO CHANGED TDD UPLINK-DOWNLINK CONFIGURATION IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR

Номер: WO2017179921A1
Принадлежит:

A terminal operating method according to a time division duplex (TDD) uplink-downlink configuration in a wireless communication system comprises: a step for receiving, from a base station operating in a full duplex mode, information for indicating a changed TDD uplink-downlink configuration corresponding to a specific TDD uplink-downlink configuration to be used; a step for receiving, from the base station, information for indicate a channel state for a downlink subframe of the changed TDD uplink-downlink configuration to be measured; and a step for generating channel state information by measuring the channel state, and transmitting the generated channel state information from an uplink subframe of the changed TDD uplink-downlink configuration to the base station.

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13-09-2018 дата публикации

METHOD FOR PERFORMING NON-ORTHOGONAL MULTIPLE ACCESS SCHEME-BASED COMMUNICATION, AND DEVICE THEREFOR

Номер: WO2018164292A1
Принадлежит:

A method for performing non-orthogonal multiple access (NOMA) scheme-based communication by a base station may comprise the steps of: determining at least one transmission data resource group on the basis of a scheduling request (SR) reception reliability; transmitting information on the determined at least one data resource group to a terminal; and receiving uplink data from the terminal via a predefined uplink data transmission area in the at least one data resource group, wherein the at least one data resource group and an SR resource group including an SR transmission area, in which an SR can be transmitted, are overlappingly allocated in a physical resource area, and the predefined uplink data transmission area within the at least one data resource group and the SR transmission area of the SR resource group overlap each other in the physical resource area.

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19-11-2015 дата публикации

METHOD AND DEVICE FOR RECEIVING SIGNAL IN WIRELESS ACCESS SYSTEM SUPPORTING FDR TRANSMISSION

Номер: WO2015174701A1
Принадлежит:

The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. The method for a terminal to receive a signal in a wireless access system supporting an FDR, according to an embodiment of the present invention, comprises the steps of: measuring the inter-terminal interference between the terminal and candidate terminals; establishing a group of the terminal and a candidate terminal that has been selected due to the measured inter-terminal interference value; transmitting group information of the group to a base station; and receiving a signal by using resources allocated on the basis of the group information.

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21-12-2017 дата публикации

DATA RETRANSMISSION METHOD FOR POLAR CODE, AND DEVICE THEREFOR

Номер: WO2017217711A1
Принадлежит:

A data retransmission method for a polar code, and a device therefor are disclosed. The data retransmission method of the disclosure can comprise the steps of: generating a first data block by allocating a plurality of data bits to input bits, with high priorities, among input bits of a polar code encoding module on the basis of a target encoding rate; transmitting the generated first data block; generating a second data block by allocating first data bits among the plurality of data bits to input bits, with low priorities, among the input bits of the polar code encoding module, on the basis of the target encoding rate and shortening bits; and transmitting the generated second data block as a retransmission of the first data block.

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28-04-2016 дата публикации

METHOD FOR ELIMINATING NON-LINEARITY OF SELF-INTERFERENCE SIGNAL IN FREQUENCY DOMAIN AND APPARATUS THEREFOR

Номер: WO2016064046A1
Принадлежит:

An apparatus for eliminating non-linearity of a self-interference signal in a frequency domain according to the present invention comprises a precompensator configured to: receive a reference signal from a baseband transmitting end; perform precompensation on the reference signal by using a self-interference channel function; and transmit the signal to which the precompensation has been applied. The self-interference channel function can be determined using the reference signal and a received signal which goes through a baseband conversion after the reference signal is radiated through a transmit antenna and then received by a receive antenna.

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29-09-2016 дата публикации

METHOD FOR ACCESSING MILLIMETER WAVE CELL IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

Номер: WO2016153182A1
Принадлежит:

A method for accessing a millimeter wave cell by a terminal in a wireless communication system supporting a millimeter wave according to an embodiment of the present invention comprises the steps of: receiving a millimeter wave link connection configuration message from a legacy cell that is radio resource control (RRC)-connected to the terminal; measuring discovery signals from the millimeter wave cells located around the terminal on the basis of the millimeter wave link connection configuration message; and transmitting a first type random access preamble to one of the millimeter wave cells on the basis of a result of the measuring of the discovery signals, wherein the measuring of the discovery signals is performed on the basis of a signal detection wave form that is specifically configured for each millimeter wave cell.

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12-02-2015 дата публикации

METHOD AND DEVICE FOR RECEIVING SIGNALS IN WIRELESS ACCESS SYSTEM

Номер: WO2015020395A1
Принадлежит:

The present invention relates to a method for receiving signals in a wireless access system. A method by which a terminal receives signals in a wireless access system, according to one embodiment of the present invention, can comprise the steps of: receiving N signals through N channels; and decoding the N signals by using a low density parity check (LDPC) sum-product channel decoder, wherein a first weight value is applied to a variable node of the LDPC sum-product channel decoder, a second weight value is applied to a reception signal node thereof, and the first weight value is less than 1 for channels of which a channel state has a reference value or less among the N channels.

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30-09-2022 дата публикации

풀-듀플렉스 무선 통신 시스템에서 시간 비동기 환경을 고려한 자기 간섭 제거 방법 및 이를 위한 장치

Номер: KR102448867B1

... 본 발명은 풀-듀플렉스(Full-Duplex) 통신을 지원하는 네트워크 노드의 자기 간섭 제거 방법에 관한 것이다. 구체적으로, 풀-듀플렉스기반으로 동작되는 송신 신호와 수신 신호를 위한 시간 동기를 추정하는 단계 및 추정된 시간 동기 및 송신 신호의 채널 정보에 기반하여 수신 신호에 대한 자기 간섭 제거를 수행하는 단계를 포함하며, 시간 동기는, 네트워크 노드의 송신 신호 타이밍과 수신 신호 타이밍이 상이한 경우, 네트워크 노드의 송신 신호 프리앰블(preamble)을 이용하여 추정되는 것을 특징으로 한다.

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24-09-2015 дата публикации

METHOD AND DEVICE FOR DECODING LOW DENSITY PARITY CHECK CODE FOR FORWARD ERROR CORRECTION IN WIRELESS COMMUNICATION SYSTEM

Номер: WO2015141903A1
Принадлежит:

A method for decoding a low density parity check (LDPC) code for forward error correction by a receiver side in a wireless communication system according to an embodiment of the present invention comprises the steps of: acquiring a first reconstructed packet vector by decoding a reception packet vector encoded by an LDPC code generation matrix; determining a candidate for an error packet to be excluded from the reception packet vector when an error is detected in the first reconstructed packet vector; and acquiring a second reconstructed packet vector from the reception packet vector from which the determined candidate for the error packet has been excluded, wherein the step of acquiring the second reconstructed packet vector includes acquiring the second reconstructed packet vector through Gaussian elimination for the LDPC code generation matrix from which a row matrix corresponding to the candidate for the error packet has been excluded.

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28-07-2016 дата публикации

METHOD AND DEVICE FOR REMOVING SELF-INTERFERENCE SIGNAL IN ENVIRONMENT USING FDR MODE

Номер: WO2016117801A1
Принадлежит:

A method for removing a self-interference signal by a device supporting an FDR mode can further comprise the steps of: transmitting a signal to a counterpart node in a predetermined time interval; generating, in an RF stage of the device, a residual self-interference signal after removal of an analog self-interference signal with respect to the signal and then storing same; receiving from the counterpart node a NACK signal with respect to the transmission of the signal; retransmitting the signal to the counterpart node; and, if decoding of the signal which has been received in the predetermined time interval is successful, using only a part of the stored residual self-interference signal when removing a digital self-interference signal on the basis of the retransmission.

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23-08-2018 дата публикации

INFORMATION TRANSMISSION METHOD AND TRANSMISSION DEVICE

Номер: WO2018151545A1
Принадлежит:

In a wireless communication system, a transmission device carries out rate matching with respect to the output bit sequence of a polar code. In the rate matching of the present invention, the order of bits to be punctured and the order of bits to be repeated with respect to the output bit sequence are the same.

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06-10-2016 дата публикации

METHOD AND DEVICE FOR TRANSMITTING AND RECEIVING SIGNAL IN WIRELESS COMMUNICATION SYSTEM

Номер: WO2016159738A1
Принадлежит:

According to one embodiment of the present invention, a method by which a first device transmits and receives a signal in a wireless communication system comprises the steps of: transmitting system information; and transmitting a downlink signal in a predetermined subframe on the basis of the system information, wherein, when the predetermined subframe is indicated as a subframe for an uplink transmission in the system information, the first device transmits, to a second device, information indicating that a frequency axis shift has been applied and/or information indicating that a time axis shift has been applied.

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18-11-2016 дата публикации

무선 통신 시스템에서 랜덤 액세스 절차(random access procedure) 내 단말에 임시 식별자를 할당하기 위한 방법 및 이를 위한 장치

Номер: KR1020160132368A
Принадлежит:

... 본 발명에서는 무선 통신 시스템에서 랜덤 액세스 절차(random access procedure) 내 단말에 임시 식별자를 할당하기 위한 방법 및 이를 위한 장치가 개시된다. 구체적으로, 무선 통신 시스템에서 랜덤 액세스 절차(random access procedure) 내 단말에 임시 식별자(temporary radio network temporary identifier)를 할당하기 위한 방법에 있어서, 단말이 랜덤 액세스 프리앰블(random access preamble)을 기지국에 전송하는 단계, 단말이 상향링크 자원 할당 스케줄링 없이 상향링크 데이터를 전송할 수 있는 경쟁 기반 PUSCH(physical uplink shared channel) 자원 블록을 통해 RRC(radio resource control) 요청 메시지를 기지국에 전송하는 단계 및 단말이 RRC 요청 메시지에 대한 응답으로 단말에 할당되는 T-RNTI를 통해 식별되는 RRC 연결 설정(RRC connection setup) 메시지를 수신하는 단계를 포함하고, T-RNTI는 RRC 요청 메시지가 전송된 경쟁 기반 PUSCH 자원 블록에 기반하여 할당될 수 있다.

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11-02-2019 дата публикации

기판 이송 장치

Номер: KR1020190012310A
Автор: 노광석, 이준석
Принадлежит:

... 본 발명의 실시예에 따른 기판 이송 장치는, 기판이 지지되는 스테이지의 상부에 설치되는 지지 유닛; 지지 유닛에 지지되는 제1 이송 유닛; 제1 이송 유닛에 연결되는 연결 유닛; 연결 유닛에 연결되는 제2 이송 유닛; 및 제2 이송 유닛에 연결되며 상기 기판을 파지하는 파지 유닛을 포함할 수 있다.

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21-10-2016 дата публикации

무선 통신 시스템에서 데이터 전송 방법 및 장치

Номер: KR1020160122221A
Принадлежит:

... 본 발명은 데이터를 전송하는 방법에 관한 것이다. 구체적으로, 데이터를 전송하는 방법은 기지국으로부터 복수의 경쟁 기반 PUSCH (Physical Uplink Shared Channel) 블록들을 포함하는 경쟁 기반 PUSCH 존에 관한 정보를 수신하는 단계; 상기 경쟁 기반 PUSCH 존에 관한 정보에 기반하여 적어도 하나의 경쟁 기반 PUSCH 자원 블록을 상기 데이터의 전송을 위해 할당하는 단계; 및 상기 데이터를 상기 기지국으로 전송하는 단계를 포함한다.

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17-11-2016 дата публикации

METHOD FOR SUPPORTING SPORADIC HIGH-CAPACITY PACKET SERVICE AND APPARATUS THEREFOR

Номер: WO2016182228A1
Принадлежит:

A method for supporting a sporadic high-capacity packet service by a terminal may comprise the steps of: receiving, from a base station, control information including pre-defined timing information for synchronization and resource allocation information associated with the terminal; when uplink traffic occurs, performing transmission synchronization on the basis of the pre-defined timing information for synchronization; selecting a resource for uplink data transmission on the basis of the resource allocation information; and transmitting uplink data through the selected resource.

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23-05-2019 дата публикации

PBCH TRANSMITTING METHOD AND TRANSMITTING DEVICE, AND PBCH RECEIVING METHOD AND RECEIVING DEVICE

Номер: WO2019098677A1
Принадлежит:

A physical broadcast channel (PBCH) is encoded on the basis of a polar code and transmitted in a wireless communication system. Half-frame information within the PBCH is mapped to bit position 247 among bit positions of the polar code, and synchronization signal and PBCH block (SSB) index information within the PBCH is mapped to bit positions 253, 254, and 255 of the polar code.

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14-09-2017 дата публикации

METHOD AND APPARATUS FOR ALLOCATING RESOURCE IN WIRELESS ACCESS SYSTEM SUPPORTING MMWAVE

Номер: WO2017155138A1
Принадлежит:

The present invention relates to a wireless access system supporting a mmWave. According to one embodiment of the present invention, a method for allocating a radio resource to a mmWave terminal in the wireless access system supporting the mmWave comprises the steps of: measuring, by the mmWave terminal, a mmWave downlink channel and feeding back, to a base station, identification information for a mmWave cell to which the mmWave terminal belongs; receiving, from the base station, terminal group resource allocation configuration section information for a mmWave terminal group including the mmWave terminal; receiving resource length information and control channel location information allocated to the mmWave terminal group, included in the terminal group resource allocation configuration section information; receiving control information including scheduling information for the mmWave terminal group on the basis of the resource length information and the control channel location information ...

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09-08-2018 дата публикации

TRANSPORT BLOCK TRANSMISSION METHOD AND TRANSMISSION DEVICE

Номер: WO2018143772A1
Принадлежит:

A transmission device in a wireless communication system attaches a cyclic redundancy check (CRC) code having a predetermined length to a code block (CB) acquired from a transport block (TB). The predetermined length according to the present invention depends on a code rate associated with the TB.

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02-03-2017 дата публикации

METHOD FOR TRANSMITTING PUCCH USING FDD FRAME IN WIRELESS COMMUNICATION SYSTEM AND DEVICE THEREFOR

Номер: WO2017034168A1
Принадлежит:

A method for a terminal transmitting a PUCCH using a FDD frame in a wireless communication system comprises the step of transmitting the PUCCH using two subframes in the FDD frame, wherein the two subframes may each comprise a resource for receiving a downlink in an uplink band.

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14-12-2017 дата публикации

METHOD FOR RECEIVING INFORMATION RELATED TO REFERENCE SIGNAL IN WIRELESS COMMUNICATION SYSTEM, AND TERMINAL THEREFOR

Номер: WO2017213340A1
Принадлежит:

A method for receiving information related to a reference signal by a terminal in a wireless communication system may comprise the steps of: receiving control information including information indicating whether a resource for a sounding reference signal (SRS) has been allocated to a specific subframe; and when the control information indicates that a resource for the SRS has been allocated to the specific subframe, transmitting the SRS in the specific subframe, wherein the SRS is transmitted in consideration of whether a data zone of the specific subframe is allocated as a downlink data zone or an uplink data zone.

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02-07-2015 дата публикации

APPARATUS FOR CUTTING PRINTED CIRCUIT BOARD

Номер: KR0101532925B1
Автор: 김청기, 노광석, 황길연
Принадлежит: 주식회사 파워로직스

... 본 발명은 본체와; 상기 본체에 설치되며, 외부로부터 로딩되는 다수의 피씨비가 설정된 위치에 안착되는 피씨비 안착부와; 상기 본체에 설치되며, 상기 다수의 피씨비를 고정하는 피씨비 고정부; 및 상기 본체에 설치되며, 상기 고정된 다수의 피씨비의 미리 설정된 절단 영역을 상기 피씨비의 상단에서 하단을 따르는 회전력을 가하여 순차적으로 절단하는 피씨비 절단부를 포함하는 전자 부품 실장용 피씨비 절단 장치를 제공한다.

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21-09-2018 дата публикации

다중 LDPC 코드에서 LDPC 베이스 코드를 선택하는 방법 및 이를 위한 장치

Номер: KR1020180104759A
Принадлежит:

... 본 발명의 일 실시예에 따른 다중 베이스 코드(Base code)를 지원하는 LDPC (Quasi-Cyclic Low-Density Parity-Check) 코드의 인코딩 방법은 패리티 체크 행렬 생성을 위한 베이스 코드를 제 1 베이스 코드와 제 2 베이스 코드 중에서 선택하는 단계, 상기 패리티 체크 행렬 생성을 위한 리프팅 값(lifting value)을 복수의 리프팅 값으로부터 선택하는 단계, 상기 선택된 베이스 코드와 상기 리프팅 값을 이용하여 상기 패리티 체크 행렬을 생성하는 단계를 포함하되, 상기 베이스 코드는 코드 블록 사이즈(Code block size) 및 부호율(Code rate)에 기반하여 결정되고, 상기 리프팅 값은 상기 베이스 코드의 파라미터와 상기 코드 블록 사이즈에 기반하여 결정될 수 있다.

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30-08-2016 дата публикации

무선 통신 시스템에서 낮은 지연을 가지는 상향링크 데이터 전송 방법 및 장치

Номер: KR1020160102448A
Принадлежит:

... 본 명세서는 무선 통신 시스템에서 낮은 지연(low latency)을 요구하는 상향링크 데이터(UL data)의 전송 방법에 있어서, 단말에 의해 수행되는 상기 방법은 기지국으로부터 경쟁 기반 PUSCH존(Contention based PUSCH Zone)과 관련된 제어정보를 수신하는 단계, 상기 수신된 제어정보에 기초하여, 상기 기지국으로 상향링크 데이터를 전송하는 단계를 포함하되, 상기 경쟁 기반 PUSCH 존은 기지국으로부터 상향링크 그랜트(UL Grant) 할당 없이 단말의 상향링크 데이터를 전송할 수 있는 자원 영역이며, 상기 제어정보는 상기 단말이 수행하는 특정 프로시저의 종류를 구별하기 위해 상기 특정 프로시저의 종류 별로 할당되는 프로시저 구별 정보를 포함하는 것을 특징으로 한다.

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14-06-2016 дата публикации

전방향 무선 통신 시스템에서 이동 중개기의 간섭 관리

Номер: KR1020160067870A
Принадлежит:

... 본 명세서에서는 간섭을 관리하는 방법 및 장치를 개시한다. 일례로, 제 1 스테이션은 기지국으로부터 제 1 신호를 수신하고, 제 2 스테이션이 상기 제 1 신호를 제 3 스테이션에 전송하기 위해 프로세싱하기 위한 상기 제 2 스테이션의 특정 프로세싱 방식에 대한 정보를 획득한다. 그 후, 제 2 스테이션이 제 1 신호를 제 3 스테이션에 전송하는 동안 상기 기지국으로부터 제 2 신호를 수신하되, 상기 제 1 신호에 대한 지식 및 상기 특정 프로세성 방식에 대한 정보에 기반하여 상기 제 2 스테이션으로부터의 상기 제 1 신호 전송에 의해 유발되는 간섭을 관리할 수 있다.

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16-11-2017 дата публикации

METHOD FOR ESTIMATING SELF-INTERFERENCE CHANNEL AND DEVICE FOR SAME

Номер: WO2017196008A1
Принадлежит:

A method for estimating a self-interference channel by a communication device which operates in a full-duplex mode can comprise the steps of: transmitting a reference signal in a first transmission unit by means of resource elements (REs) of which the number is smaller than the number of antennas of a communication device; estimating a self-interference channel by using a first reference signal matrix, which is returned by means of a self-interference channel in the first transmission unit, and reference signal matrices which are returned by means of a self-interference channel in a predetermined number of transmission units prior to the first transmission unit; and storing information about the estimated self-interference channel.

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20-08-2015 дата публикации

METHOD AND DEVICE FOR RECEIVING SIGNAL IN WIRELESS ACCESS SYSTEM SUPPORTING FDR TRANSMISSION

Номер: WO2015122733A1
Принадлежит:

The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. A signal transmission and reception method of a base station for a signal in a wireless access system supporting a FDR, according to one embodiment of the present invention, comprises the steps of: transmitting, to a terminal, an indicator which notifies of an application of terminal-specific time division duplex (TDD); transmitting, to the terminal, frame setting information according to the terminal-specific TDD; and transmitting and receiving a signal to and from the terminal on the basis of the frame setting information, wherein the frame setting information is capable of being set on the basis of a first constraint in which a first subframe is a downlink subframe and a special subframe always exists.

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09-02-2017 дата публикации

METHOD FOR TRANSMITTING HARQ ACK/NACK FEEDBACK BY USING TERMINAL-SPECIFIC TDD FRAME IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR

Номер: WO2017022960A1
Принадлежит:

A method for a terminal transmitting a hybrid automatic repeat request (HARQ) ACK/NACK feedback by using a terminal-specific TDD frame in a wireless communication system may comprise the steps of: receiving a downlink control channel from a corresponding subframe of the terminal-specific TDD frame; and transmitting a HARQ ACK/NACK for the downlink control channel from an uplink subframe that is the most adjacent to the corresponding subframe among subframes coming after at least four subframes from the corresponding subframe.

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04-04-2018 дата публикации

전방향 무선 통신 시스템에서 이동 중개기의 간섭 관리

Номер: KR0101830742B1
Принадлежит: 엘지전자 주식회사

... 본 명세서에서는 간섭을 관리하는 방법 및 장치를 개시한다. 일례로, 제 1 스테이션은 기지국으로부터 제 1 신호를 수신하고, 제 2 스테이션이 상기 제 1 신호를 제 3 스테이션에 전송하기 위해 프로세싱하기 위한 상기 제 2 스테이션의 특정 프로세싱 방식에 대한 정보를 획득한다. 그 후, 제 2 스테이션이 제 1 신호를 제 3 스테이션에 전송하는 동안 상기 기지국으로부터 제 2 신호를 수신하되, 상기 제 1 신호에 대한 지식 및 상기 특정 프로세성 방식에 대한 정보에 기반하여 상기 제 2 스테이션으로부터의 상기 제 1 신호 전송에 의해 유발되는 간섭을 관리할 수 있다.

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30-06-2017 дата публикации

무선 통신 시스템에서 데이터 송수신 방법 및 이를 위한 장치

Номер: KR1020170074851A
Принадлежит:

... 무선 통신 시스템에서 데이터 송수신 방법 및 이를 위한 장치가 개시된다. 구체적으로, 무선 통신 시스템에서 하향링크 데이터를 전송하는 방법에 있어서, 기지국이 제1 TTI(Transmission Time Interval) 기반 무선 프레임 구조에 따른 PDSCH(Physical Downlink Shared Channel) 영역에 제1 하향링크 데이터를 매핑하는 단계, 상기 기지국이 제2 TTI 기반 무선 프레임 구조에 따른 sPDSCH(short PDSCH) 영역에 제2 하향링크 데이터를 매핑하는 단계 및 상기 기지국이 제1 하향링크 데이터 및 상기 제2 하향링크 데이터를 전송하는 단계를 포함할 수 있다.

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02-05-2016 дата публикации

METHOD FOR ELIMINATING SELF-INTERFERENCE SIGNAL IN RF FRONT END AND DEVICE THEREFOR

Номер: KR1020160047376A
Принадлежит:

According to the present invention, a device for eliminating a self-interference signal in an RF front end comprises: a transmission signal distributer for distributing and transmitting a received signal to a transmission antenna and an attenuator; an attenuator for applying a predetermined attenuation factor to the transmitted signal distributed to the attenuator; a phase shifter for phase-shifting the signal to which the attenuation factor is applied by a predetermined phase; and a time delayer for time-delaying the phase-shifted signal by a predetermined time. Therefore, the device can efficiently eliminate a self-interference signal at the same time while lowering resolution of a time delay circuit in the RF front end. COPYRIGHT KIPO 2016 (AA) Self-interference signal (BB) Reference self-interference signal ...

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29-08-2016 дата публикации

FDR 통신 환경에서 단말이 상향링크 데이터를 전송하는 방법

Номер: KR1020160102178A
Принадлежит:

... 상향링크 데이터 채널의 전송을 위한 자원 영역 중에서 기지국과의 FDR 통신 중에 기지국으로부터 수신되는 하향링크 제어 채널의 자원 영역인 중첩 영역을 결정하는 단계, 중첩 영역에 대하여 상향링크 통신으로 인한 자기 간섭의 영향을 완화하는 단계 및 상향링크 데이터 채널의 전송을 위한 자원 영역 중에서 자기 간섭의 영향이 완화된 중첩 영역 및 중첩 영역 이외의 영역을 통해 상향링크 데이터 채널을 전송하는 단계를 포함하는 데이터 전송 방법 및 단말이 개시된다.

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02-11-2017 дата публикации

RESOURCE ALLOCATION METHOD AND DEVICE IN WIRELESS ACCESS SYSTEM SUPPORTING MILLIMETER WAVE

Номер: WO2017188471A1
Принадлежит:

The present invention relates to a wireless access system supporting millimeter wave (mmWave), and provides resource allocation methods on the basis of a mmWave multi-link band in a mmWave cell and devices for supporting the same. According to an embodiment of the present invention, a method for allocating a resource by a millimeter wave (mmWave) base station in a wireless access system supporting mmWave may comprise the steps of: measuring a distribution of mmWave terminals existing within all mmWave cells included in a tracking area group (TAG) including two or more mmWave base stations; generating resource allocation configuration information for multiple mmWave links on the basis of the measured distribution of the mmWave terminals; and transmitting an allocation configuration message including the resource allocation configuration information to all mmWave base stations included in the TAG.

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26-11-2015 дата публикации

METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING FEEDBACK INFORMATION IN WIRELESS ACCESS SYSTEM SUPPORTING FDR TRANSMISSION

Номер: WO2015178640A1
Принадлежит:

The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. A method for receiving feedback information by a base station in a wireless access system supporting FDR comprises the steps of: transmitting, to a terminal, frame configuration information of terminal-specific time division multiplexing (TDD); and receiving, from the terminal, feedback information in an uplink (UL) subframe according to the frame configuration information, wherein the frame configuration information can determine the location of the UL subframe in which feedback information for each DL subframe is to be transmitted, on the basis of the value obtained by dividing the number of downlink (DL) subframes by the number of UL subframes in a wireless frame.

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11-08-2016 дата публикации

METHOD FOR ALLOCATING RESOURCE BY CONSIDERING INTER-DEVICE INTERFERENCE IN FULL-DUPLEX WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

Номер: WO2016126033A1
Принадлежит:

The present invention relates to a method and apparatus for allocating a resource by a base station in a wireless communication system supporting full-duplex communication. Specifically, the present invention comprises the steps of: transmitting, to a plurality of UEs, measurement information including time information and information on candidate sub-bands for measuring inter-device interference (IDI); receiving, from the plurality of UEs, IDI measurement results measured according to the measurement information; and performing resource allocation for the plurality of UEs on the basis of the IDI measurement results, wherein the information on candidate sub-bands includes at least one candidate sub-band configured for each of the plurality of UEs on the basis of channel measurement between the base station and the corresponding UE.

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22-11-2018 дата публикации

DOWNLINK SIGNAL RECEPTION METHOD AND USER EQUIPMENT, AND DOWNLINK SIGNAL TRANSMISSION METHOD AND BASE STATION

Номер: WO2018174672A3
Принадлежит:

The method whereby user equipment receives a downlink signal in a wireless communication system, according to one embodiment of the present invention, comprises: receiving, from a base station, information on the length of a cyclic redundancy check (CRC) sequence to be added to information bits; receiving a downlink signal; and decoding the downlink signal by using a CRC sequence in the downlink signal on the basis of the information on the length of the CRC sequence, wherein the information on the length of the CRC sequence indicates a first length added for list decoding or a total CRC length obtained by adding the first length.

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01-02-2018 дата публикации

SCRIBING APPARATUS

Номер: KR1020180011437A
Принадлежит:

According to an embodiment of the present invention, a scribing apparatus is designed to enhance user convenience and reduce time required for scribing processes by automatizing replacement of scribing wheels. To this end, the scribing apparatus comprises: a scribing unit including a wheel holder which maintains the scribing wheel, a wheel holder support member into which the wheel holder is inserted, and a scribing head to which the wheel holder support member is rotatably connected; and a wheel holder replacement unit enabling automatic replacement of the wheel holder. COPYRIGHT KIPO 2018 ...

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29-09-2016 дата публикации

SUBSTRATE TRANSFER UNIT AND SUBSTRATE TRANSFER APPARATUS COMPRISING SAME

Номер: KR1020160113348A
Принадлежит:

The present invention relates to a unit for transferring a substrate of a display panel or the like, and a substrate transfer apparatus including the same. A substrate transfer unit according to the present invention can control the arrangement state of a substrate supplied from a transfer unit by itself. Thereby, the accuracy of a post process can be improved. The substrate transfer unit includes a guide rail, a guide block, a frame, and clamping units. COPYRIGHT KIPO 2016 ...

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01-10-2015 дата публикации

METHOD AND APPARATUS FOR ALLOCATING RESOURCES IN WIRELESS ACCESS SYSTEM SUPPORTING FDR TRANSMISSION

Номер: WO2015147572A1
Принадлежит:

The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. A method for a base station for allocating resources in a wireless access systems supporting FDR according to an embodiment of the present invention comprises the steps of: receiving, from a terminal, information regarding whether or not the terminal is participating in a grouping in which a plurality of terminals are configured as a group for resource allocation; and determining whether or not to group and allocating resources on the basis of the information regarding whether or not participating, wherein the information regarding whether or not participating may comprise a first item of information indicating whether the terminal can operate in full duplex (FD) in the same resource, a second item of information indicating FD operation is not possible in the same resource but whether an FD operation of another apparatus is supported, and a third item of information indicating ...

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12-05-2016 дата публикации

METHOD FOR RECEIVING DATA FOR EACH SERVICE FROM PARTICULAR FRAME IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS FOR THE METHOD

Номер: WO2016072570A1
Принадлежит:

The method for a terminal for receiving data for each service from a particular frame in a wireless communication system according to the present invention comprises the steps of: receiving, from a base station, a first control channel comprising first control information associated with a first service; receiving, from the base station and on the basis of the control information, a first data channel utilized for transmitting the first service; receiving, from the base station, a second control channel comprising second control information associated with a second service; and receiving, from the base station and on the basis of the second control information, a second data channel utilized for transmitting the second service, wherein the first and second services are services of mutually different types, and the first control channel is received by means of the full system bandwidth configured on the terminal, and the second control channel and second data channel are received by means ...

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30-01-2020 дата публикации

METHOD FOR ENCODING AND DECODING LDPC CODE AND COMMUNICATION APPARATUS THEREFOR

Номер: WO2020022539A1
Принадлежит:

A method for performing low-density parity-check (LDPC) decoding by a communication apparatus may comprise the steps of: acquiring information on a shortening pattern; setting a log-likelihood ratio (LLR) value of a shortening part on the basis of the information on the shortening pattern so as to perform first decoding; and verifying validation of a corresponding codeword on the basis of a result of the first decoding.

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17-09-2015 дата публикации

METHOD FOR TRANSMITTING AND RECEIVING SIGNAL FOR LOW LATENCY IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

Номер: WO2015137648A1
Принадлежит:

A method for a terminal receiving a downlink signal for low transmission latency in a wireless communication system, according to one embodiment of the present invention, comprises the steps of: receiving a downlink control channel from a base station; and receiving a downlink data channel on the basis of control information transmitted from the downlink control channel. Here, the downlink data channel is transmitted in at least one advanced subframe comprising M number of orthogonal frequency division multiplexing (OFDM) symbols, and the downlink control channel is transmitted in at least one special symbol which is separate from the advanced subframe.

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03-01-2019 дата публикации

METHOD FOR PERFORMING ENCODING ON BASIS OF PARITY CHECK MATRIX OF LDPC CODE IN WIRELESS COMMUNICATION SYSTEM AND TERMINAL USING SAME

Номер: WO2019004581A1
Принадлежит:

A method for performing encoding on the basis of a parity check matrix of a LDPC code, according to one embodiment of the present invention, comprises the steps of: generating, by a terminal, a parity check matrix, wherein the parity check matrix corresponds to a characteristic matrix, each element of the characteristic matrix corresponds to a shift index value determined by a modulo operation between a corresponding element in a base matrix and a lifting value, and the base matrix is a 46 x 68 matrix; and performing, by the terminal, encoding of input data by using the parity check matrix, wherein the lifting value is associated with the length of the input data.

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07-12-2017 дата публикации

METHOD FOR RECEIVING CSI-RS IN WIRELESS COMMUNICATION SYSTEM AND APPARATUS THEREFOR

Номер: WO2017209391A1
Принадлежит:

A method by which a terminal receives a channel state information-reference signal (CSI-RS) in a wireless communication system comprises the steps of: receiving control information including information for indicating whether a resource for a CSI-RS is allocated in a specific subframe; and receiving, in a downlink control zone, the CSI-RS on the basis of the control information, when a data zone of the specific subframe is allocated to a downlink data zone and the control information indicates that the resource for the CSI-RS is allocated in the specific subframe.

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23-08-2018 дата публикации

INFORMATION TRANSMISSION METHOD AND TRANSMISSION DEVICE

Номер: WO2018151555A1
Принадлежит:

In a wireless communication system, a transmission device inputs, in some of N input bit positions of a polar code having the size N, input bits including D-bit information and X-bit user equipment (UE) ID according to a predetermined bit allocation sequence. The transmission device encodes the input bits by using the polar code. The transmission device transmits an encoded output sequence.

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08-12-2016 дата публикации

METHOD FOR PERFORMING SELF-INTERFERENCE CANCELLATION BY COMMUNICATION DEVICE USING FDR MODE

Номер: WO2016195204A1
Принадлежит:

A method for performing self-interference cancellation by a communication device which uses an FDR mode can comprise the steps of: measuring the strength of a residual self-interference signal, after antenna and analog self-interference cancellation, for each subband with respect to a predetermined number of subbands configured in a communication device; determining the order of a nonlinear self-interference signal component, to be considered for channel estimation of a nonlinear self-interference signal, for each subband on the basis of the strength of the residual self-interference signal that has been measured for each subband; and performing channel estimation of the nonlinear self-interference signal on the basis of the order that has been determined for each subband.

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26-05-2017 дата публикации

METHOD FOR TRANSMITTING/RECEIVING SIGNALS BY USING TDD SCHEME IN WIRELESS COMMUNICATION SYSTEM, AND COMMUNICATION DEVICE FOR SAME

Номер: WO2017086566A1
Принадлежит:

This method for a communication device to transmit/receive signals by using a TDD scheme in a wireless communication system may comprise the steps of: receiving information related to a guard period (GP) position in a data zone of a particular subframe; receiving downlink data in the data zone of the particular subframe on the basis of the information related to the GP position; and transmitting uplink data in the data zone of the particular subframe on the basis of the information related to the GP position.

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11-02-2016 дата публикации

METHOD FOR AUTHENTICATING TERMINAL IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE FOR SAME

Номер: WO2016021817A1
Принадлежит:

A method for performing authentication by a base station with a terminal in a wireless communication system, according to an embodiment of the present invention, comprises the steps of: receiving from a terminal a radio resource control (RRC) connection setup request message; determining, on the basis of the RRC connection setup request message, whether or not the terminal requested fast authentication; if the terminal requested fast authentication, transmitting an international mobile subscriber identity (IMSI) of the terminal to a mobility management entity (MME) before the RRC connection setup of the terminal is complete; and authenticating the terminal on the basis of the control of the MME, wherein, in the step for authenticating the terminal, non-access stratum (NAS) security key setup and access stratum (AS) security key setup of the terminal are simultaneously performed.

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26-05-2017 дата публикации

METHOD FOR PERFORMING COMMUNICATION USING TDD FRAME IN WIRELESS COMMUNICATION SYSTEM, AND DEVICE THEREFOR

Номер: WO2017086570A1
Принадлежит:

A method for a terminal performing communication using a TDD frame in a wireless communication system may comprise the steps of: receiving a first synchronization signal from the first symbol of a first subframe of a TDD frame; receiving a second synchronization signal from the first symbol of a second subframe of the TDD frame; and receiving system information from the first symbol of at least one subframe comprising a third subframe of the TDD frame.

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14-01-2016 дата публикации

METHOD FOR PERFORMING SYNCHRONIZATION WITH BASE STATION IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR

Номер: WO2016006798A1
Принадлежит:

Disclosed is a method for performing, by a wireless device, synchronization with a base station in a wireless communication system. A method for synchronizing a wireless device according to one embodiment of the present invention comprises the steps of: receiving a primary synchronization signal and an auxiliary synchronization signal through a first subframe from a first base station; and performing synchronization with the first base station using the primary synchronization signal and the auxiliary synchronization signal, wherein the synchronization with the first base station is performed depending on whether a moving cell synchronization signal exists on the first subframe.

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21-02-2019 дата публикации

스크라이빙 장치

Номер: KR1020190018079A
Автор: 이준석, 노광석
Принадлежит:

... 본 발명의 실시예에 따른 스크라이빙 장치는, 로딩 스테이지; 및 로딩 스테이지의 상부에 배치되고, 기판을 지지하는 지지 부재와, 기판이 로딩 스테이지로 전달되도록 기판이 통과하는 개구를 형성하기 위해 지지 부재를 이동시키는 이동 유닛을 포함하는 기판 지지부를 포함하고, 이동 유닛은 지지 부재와 연결되어 지지 부재를 이동시키는 제1 이동 모듈과, 제1 이동 모듈과 연결되어 제1 이동 모듈을 이동시키는 제2 이동 모듈을 포함할 수 있다.

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25-06-2018 дата публикации

SUBSTRATE CUTTING APPARATUS

Номер: KR1020180069677A
Принадлежит:

An object of the present invention is to provide a substrate cutting apparatus capable of cutting a substrate without separately performing a scribing process and a breaking process. The substrate cutting apparatus according to an embodiment of the present invention includes: a first transfer unit including a first plate for supporting a substrate; a frame extending in a direction perpendicular to the direction in which the substrate is transported; a cutting unit movably installed along the frame and including a head having a cutting wheel; and a second transfer unit configured to move reciprocally in a direction in which the substrate is transferred and including a second plate for supporting the substrate together with the first plate when the substrate is cut by the cutting wheel. COPYRIGHT KIPO 2018 ...

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30-01-2024 дата публикации

양자 암호 통신에서의 오류 정정을 위한 방법 및 시스템

Номер: KR20240013069A
Автор: 노광석, 신유철, 허준
Принадлежит:

... 제1통신 장치와 제2통신 장치 사이의 양자 암호 통신 방법은, 상기 제1통신 장치가 광자의 위상이나 편광을 랜덤하게 변조함으로써 생성된 제1정보열을 상기 제2통신 장치에 전송하면 상기 제2통신 장치가 상기 제1정보열에 기반하여 제2정보열을 생성하는 양자 통신 단계, 및 소정의 기준에 기반하여 선택된 오류 정정 모드에 기반하여 상기 제1정보열과 제2정보열을 동일하도록 맞추는 후처리 단계를 포함할 수 있다. 상기 오류 정정 모드는 패리티 정보의 복호화 주체에 따라 구분될 수 있다.

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01-10-2015 дата публикации

METHOD AND DEVICE FOR ALLOCATING RESOURCE IN WIRELESS ACCESS SYSTEM SUPPORTING FDR TRANSMISSION

Номер: WO2015147570A1
Принадлежит:

The present invention relates to a wireless access system that supports a full duplex radio (FDR) transmission condition. A method of allocating a resource at a base station in the wireless access system supporting the FDR according to an embodiment of the present invention may include: receiving interference information obtained by measuring interference with N-1 terminals (N terminals minus a user's terminal, where N is a natural number equal to or larger than 2); generating a matrix in which first to Nth rows correspond to first to Nth measurement terminals, respectively, and first to N columns correspond to first to Nth target terminals, respectively, wherein the values of each row of the matrix include values indexed in the order of size, and the amount of interference for N-1 target terminals is measured by corresponding measurement terminals; selecting M values in descending order of value from each column of the matrix (where M is a natural number smaller than or equal to N); using ...

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11-05-2018 дата публикации

METHOD FOR DIVIDING TRANSPORT BLOCK OF LDPC CODE AND APPARATUS THEREFOR

Номер: WO2018084617A1
Принадлежит:

Disclosed are a method for dividing a transport block of a low density parity check (LDPC) code and an apparatus therefor. A method for dividing a transport block of an LDPC code according to the present disclosure can improve the performance of the LDPC code by dividing the transport block using a minimum number of code blocks. In addition, it is possible to minimize shortening bits by making the size of some of the code blocks smaller than the size of the other code blocks. Further, it is possible to prevent performance degradation due to a minimum size code block by minimizing the number of the code blocks and performing shortening on a large size code block.

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28-12-2017 дата публикации

DATA TRANSMISSION METHOD AND TRANSMITTER

Номер: WO2017222259A1
Принадлежит:

A disclosure of the present specification provides a method for transmitting data by a transmitter. The method may comprise the steps of: when a transport block (TB) is divided into n data blocks, adding additional information after each of the n data blocks; and adding a cyclic redundancy check (CRC) after the last additional information. Here, the CRC may be generated on the basis of the n data blocks, and the n pieces of additional information added after each of data blocks.

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11-02-2016 дата публикации

METHOD AND DEVICE FOR RECEIVING SIGNAL IN WIRELESS ACCESS SYSTEM SUPPORTING FDR TRANSMISSION

Номер: WO2016021750A1
Принадлежит:

The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. A method by which a first terminal receives a signal from a base station in a wireless access system supporting FDR transmission, according to one embodiment of the present invention, can comprise the steps of: receiving a first reference signal from the base station; calculating first channel information on self-interference by using the first reference signal; receiving a second reference signal from the base station, and receiving a third reference signal from a second terminal at the same time as the second reference signal; calculating second channel information from which the self-interference is cancelled, on the basis of the second reference signal, the third reference signal and the first channel information; and receiving the signal by using the second channel information and third channel information on a channel receiving the signal.

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28-07-2016 дата публикации

METHOD FOR ESTIMATING, BY DEVICE USING FDR SCHEME, NON-LINEAR SELF-INTERFERENCE SIGNAL CHANNEL

Номер: WO2016117961A1
Принадлежит:

A method for estimating, by a device using an FDR scheme, a non-linear self-interference signal channel comprises a step of estimating a non-linear self-interference signal channel using a first sequence set included in a predefined first sequence set, wherein the predefined first sequence set is defined in consideration of non-linear self-interference signal components in an RF transmission chain and an RF reception chain of the device.

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02-11-2017 дата публикации

METHOD FOR RECEIVING DATA BY USING 2D CHANNEL-BASED TRANSMISSION SCHEME, AND APPARATUS THEREFOR

Номер: WO2017188486A1
Принадлежит:

A method by which a terminal receives data, by using a two-dimensional (2D) channel-based transmission scheme comprises the steps of: receiving, from a base station, allocation information for resources to which the 2D channel-based transmission scheme is applied; and receiving data according to the 2D channel-based transmission scheme from the resources, to which the 2D channel-based transmission scheme is applied, on the basis of the allocation information.

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16-07-2015 дата публикации

METHOD AND APPARATUS FOR CONSTRUCTING FRAME STRUCTURE IN WIRELESS ACCESS SYSTEM SUPPORTING FDR TRANSMISSION

Номер: WO2015105208A1
Принадлежит:

The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment, various signal transmission methods for preventing a loss of control information due to uplink-downlink interference during FDR transmission, a method for constructing a frame structure and an apparatus for supporting the same. A method for configuring a frame structure in a wireless access system supporting FDR transmission according to one embodiment of the present invention may comprise the steps of: negotiating whether to support FDR transmission; allocating, to a predetermined subframe, a downlink control channel and a downlink data channel; allocating, to a predetermined subframe, an uplink data channel for FDR transmission; nulling a resource area of the uplink data channel corresponding to the downlink control channel and allocating the resource area to an empty area; and transmitting resource allocation information about a predetermined subframe, wherein the ...

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18-11-2016 дата публикации

무선 통신 시스템에서 낮은 지연을 위한 신호 송수신 방법 및 이를 위한 장치

Номер: KR1020160132375A
Принадлежит:

... 본 발명의 실시예에 따른 무선 통신 시스템에서 단말이 낮은 전송 지연을 위한 상향링크 신호를 전송하는 방법은, 상향링크 데이터 채널에 관한 제어 정보를 포함하는 상향링크 제어 채널을 기지국으로 전송하는 단계; 및 상기 상향링크 데이터 채널을 전송하는 단계를 포함한다. 여기서 상기 상향링크 데이터 채널은 M 개의 OFDM (Orthogonal Frequency Division Multiplexing) 심볼을 포함하는 적어도 하나의 향상된 (Advanced) 서브프레임에서 전송되고, 상기 상향링크 제어 상기 향상된 서브프레임과 별도의 적어도 하나의 특수 심볼에서 전송되는 것을 특징으로 한다.

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21-02-2019 дата публикации

스크라이빙 장치

Номер: KR1020190018080A
Принадлежит:

... 본 발명의 실시예에 따른 스크라이빙 장치는, 로딩 스테이지; 로딩 스테이지의 상부에 배치되고, 기판을 지지하는 지지 부재와, 지지 부재를 이동시키는 이동 유닛을 포함하는 기판 지지부; 및 지지 부재 상에 안착된 상기 기판의 적어도 일부분의 위치를 측정하는 위치 측정부를 포함하며, 이동 유닛은, 위치 측정부에 의해 측정된 상기 기판의 적어도 일부분의 위치를 기준으로 지지 부재 상에 안착된 기판의 위치를 조절하기 위해 지지 부재를 이동시킨 후, 기판이 로딩 스테이지로 전달되도록 기판이 통과하는 개구를 형성하기 위해 지지 부재를 이동시킬 수 있다.

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30-09-2022 дата публикации

FDR 방식을 사용하는 장치가 자기간섭 제거를 수행하기 위한 방법

Номер: KR102448866B1
Принадлежит: 엘지전자 주식회사

FDR (Full Duplex Radio) 방식을 사용하는 기지국이 자기간섭 제거를 수행하기 위한 방법은, 상기 자기간섭 채널의 추정을 위해 변경된 참조신호(Reference Signal, RS) 파워 부스팅과 관련된 정보를 단말에게 전송하는 단계; 상기 변경된 RS 파워 부스팅에 기초하여 RS를 전송하는 단계; 상기 RS에 따른 자기간섭 채널을 추정하는 단계; 및 상기 자기간섭 채널의 추정에 기초하여 자기간섭 제거를 수행하는 단계를 포함할 수 있다.

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13-09-2018 дата публикации

LAYERED DECODING METHOD FOR LDPC CODE AND DEVICE THEREFOR

Номер: WO2018164297A1
Принадлежит:

An improved layered decoding method for a low density parity check (LDPC) code and a device therefor are disclosed. Disclosed is the layered decoding method for an LDPC code, capable of determining whether decoding is successful by performing a syndrome check on each check node at every variable node update. In addition, the syndrome check can be performed by using reduced variable nodes, thereby reducing decoding power consumption and decoding time consumption.

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19-11-2015 дата публикации

METHOD AND DEVICE FOR RECEIVING SIGNAL IN WIRELESS ACCESS SYSTEM SUPPORTING FDR TRANSMISSION

Номер: WO2015174733A1
Принадлежит:

The present invention relates to a wireless access system supporting a full duplex radio (FDR) transmission environment. The method for a terminal to control uplink transmission power in a wireless access system supporting an FDR, according to an embodiment of the present invention, comprises the steps of: transmitting, to a terminal, power control information on uplink transmission power; and receiving an uplink signal transmitted on the basis of the power control information. The power control information may be determined on the basis of the maximum transmission power of the terminal, the open loop or closed loop power control factor, and a function having as a variable the self-interference (SI) value of the base station due to the FDR.

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11-06-2018 дата публикации

무선 통신 시스템에서 경쟁 기반 자원을 이용한 스케줄링 요청 전송 방법 및 이를 위한 장치

Номер: KR0101852825B1
Принадлежит: 엘지전자 주식회사

... 본 발명은 무선 통신 시스템에 관한 것이다. 구체적으로, 기지국으로부터 스케줄링 요청을 위한 자원에 관한 정보를 수신하는 단계; 제어 채널을 통해 전송되는 상기 스케줄링 요청을 위한 자원을 이용하여 상기 스케줄링 요청을 전송하는 단계; 및 데이터 채널을 통해 전송되는 상향링크 경쟁 기반 자원을 이용하여 제 1 버퍼 상태 보고를 전송하는 단계를 포함할 수 있다. 여기서, 상기 상향링크 경쟁 기반 자원은, 상기 스케줄링 요청을 위한 자원 또는 상기 단말의 식별자 중 적어도 하나에 기반하여 결정되는 것을 특징으로 한다.

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14-12-2016 дата публикации

이동 셀 지원 환경에서 핸드오버 제어 방법 및 이를 위한 장치

Номер: KR1020160143639A
Принадлежит:

... 본 문서는 이동 셀(Moving Cell)을 지원하는 무선 환경에서 제 1 이동 셀(Moving Cell) 기지국이 핸드오버를 제어하는 방법을 제안한다. 이를 위해 제 1 이동 셀 기지국은 하나 이상의 인접 기지국 신호에 대한 측정을 수행하고, 상기 측정 결과에 기반하여 핸드오버 여부를 결정하되, 제 1 이동 셀 기지국은 이동 셀 전용 셀 ID에 대한 정보를 이용하여, 상기 하나 이상의 인접 기지국 중 제 2 이동 셀로 핸드오버를 수행하지 않도록 제어할 수 있다.

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01-07-2016 дата публикации

위상천이오류의 사전보상

Номер: KR1020160077091A
Принадлежит:

... 본 명세서에서는 위상천이 오류의 사전 보상을 위한 방법 및 이를 위한 장치가 개시된다. 일례로서, 장치는 프리코딩의 위상 천이에 의해 야기되는 오류에 대한 정보를 획득하면서, 디지털 신호를 프리코딩한다. 그 후, 장치는 획득된 오류 정보에 기반하여 상기 디지털 신호에 위상 보상을 수행한다, 이 위상 보상된 디지털 신호는 아날로그 신호를 전환되며, 수신기에 전송된다.

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08-06-2017 дата публикации

METHOD AND APPARATUS FOR CORRECTING NON-LINEAR DIGITAL SELF-INTERFERENCE SIGNAL IN FDR ENVIRONMENT

Номер: WO2017094980A1
Принадлежит:

A method for correcting a non-linear digital self-interference signal in an FDR environment may comprise: a step of estimating a wireless channel coefficient between a transmitting end and a receiving end of an apparatus using reference signals having a lower transmit power than a certain threshold transmitted from a baseband unit; a step of recovering a non-linear distorted output signal through a power amplifier by equalizing, with the estimated wireless channel, for the non-linear distorted signal received in the receiving end through the power amplifier, using reference signals having a higher transmit power than the certain threshold transmitted from the baseband unit; a step of generating a digital pre-correction function on the basis of the recovered non-linear distorted output signal and a linear gain of the power amplifier; and a step of applying the generated digital pre-correction function to an output signal in a baseband of the transmitting end to perform a digital pre-correction ...

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09-02-2017 дата публикации

METHOD FOR DETERMINING DATA BITS IN POLAR CODING AND DEVICE THEREFOR

Номер: WO2017023079A1
Принадлежит:

Suggested is a method for determining data bits in polar coding without being based on channel capacity. According to one embodiment of the present invention, for an N-sized code block, the bits having even-numbered indices equal to or lower than N/2-2 can be determined as data bits according to the descending order of the indices.

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17-11-2016 дата публикации

METHOD FOR ALLOCATING RESOURCES IN WIRELESS COMMUNICATION SYSTEM SUPPORTING FULL DUPLEX RADIO (FDR) TECHNOLOGY, AND APPARATUS THEREFOR

Номер: WO2016182141A1
Принадлежит:

A method for allocating, by a base station, resources in a wireless communication system supporting a full duplex radio (FDR) technology, according to the present invention, may comprise the steps of: receiving, from a first terminal, a buffer status report (BSR) including an indicator which indicates the urgency of uplink data transmission; and determining, on the basis of the indicator, whether to allocate an uplink sub-frame for the first terminal in a situation where a downlink sub-frame is allocated to a second terminal during a specific time interval.

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27-10-2016 дата публикации

METHOD FOR CHANGING REFERENCE SIGNAL ALLOCATION IN ENVIRONMENT ALLOWING OPERATION IN FDR SCHEME AND DEVICE THEREFOR

Номер: WO2016171357A1
Принадлежит:

A method for changing reference signal (RS) allocation by a device operating in an FDR scheme may comprise the steps of: determining whether to release an additionally allocated RS according to a transmission power variation of the device or to additionally allocate an RS for channel estimation of a non-linear component of a self-interference signal; and transmitting information on a resource of the RS to be released or information on a resource of the RS to be additionally allocated, according to the determination.

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18-08-2016 дата публикации

SCANNING METHOD USING POSITION INFORMATION OF TERMINAL IN WIRELESS ACCESS SYSTEM SUPPORTING MILLIMETER WAVES AND DEVICES FOR SAME

Номер: WO2016129744A1
Принадлежит:

The present invention provides a scanning method to reduce overhead in a millimeter wave (mmWave) scanning scheme by using position information of a terminal in a mmWave system, and devices supporting same. The method for the terminal performing mmWave beam scanning based on position information of the terminal in the wireless access system supporting millimeter wave (mmWave) technology, according to one embodiment of the present invention, comprises the steps of: receiving, from a legacy base station, a positioning reference signal; calculating measurement information to calculate the position information of the terminal based on the positioning reference signal; transmitting the measurement information to the legacy base station; receiving, from a mmWave base station, first angle information generated based on the measurement information; determining a mmWave pCell by performing a first mmWave beam scanning based on the first angle information; and transmitting, to the mmWave pCell, a ...

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15-09-2016 дата публикации

METHOD FOR PERFORMING SCANNING IN WIRELESS ACCESS SYSTEM SUPPORTING MILLIMETER WAVE, AND DEVICE SUPPORTING SAME

Номер: WO2016143917A1
Принадлежит:

The present invention relates to methods for determining whether to perform millimeter wave (mmWave) scanning in a mmWave system, and a device supporting same. The method for a terminal performing mmWave scanning in a wireless access system supporting mmWave technology, according to one embodiment of the present invention, comprises the steps of: attempting to detect a mmWave pilot signal by monitoring a mmWave pilot detection window in a mmWave band; and transmitting, to an uplink of a legacy band, a feedback signal for indicating whether the mmWave pilot signal is detected, wherein the method may further comprise the step of, if the mmWave pilot signal is detected, performing mmWave ray scanning with a base station, or the step of, if the mmWave pilot signal is not detected, determining whether to perform mmWave beam scanning or whether to perform legacy communication.

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29-08-2018 дата публикации

무선 통신 시스템에서 상향링크 데이터 전송 방법 및 이를 위한 장치

Номер: KR0101892717B1
Принадлежит: 엘지전자 주식회사

... 본 발명에서는 무선 통신 시스템에서 상향링크 데이터 전송 방법 및 이를 위한 장치가 개시된다. 구체적으로, 무선 통신 시스템에서 상향링크 데이터 전송을 위한 방법에 있어서, 단말이 스케줄링 요청(scheduling request)을 기지국에 전송하는 단계 및 상기 단말이 상기 기지국의 상향링크 승인(uplink grant) 없이 상향링크 데이터를 전송할 수 있는 경쟁 기반 PUSCH(physical uplink shared channel) 자원 블록을 통해 상향링크 데이터를 전송하는 단계를 포함하고, 상기 SR과 상기 경쟁 기반 PUSCH 자원 블록은 동일한 서브프레임에서 전송될 수 있다.

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02-11-2017 дата публикации

위상천이오류의 사전보상

Номер: KR0101792517B1
Принадлежит: 엘지전자 주식회사

... 본 명세서에서는 위상천이 오류의 사전 보상을 위한 방법 및 이를 위한 장치가 개시된다. 일례로서, 장치는 프리코딩의 위상 천이에 의해 야기되는 오류에 대한 정보를 획득하면서, 디지털 신호를 프리코딩한다. 그 후, 장치는 획득된 오류 정보에 기반하여 상기 디지털 신호에 위상 보상을 수행한다, 이 위상 보상된 디지털 신호는 아날로그 신호를 전환되며, 수신기에 전송된다.

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29-06-2018 дата публикации

다중 TTI 구조를 이용하여 통신 방법 및 장치

Номер: KR1020180072822A
Принадлежит:

... 본 문서는 무선통신 시스템에서 다중 TTI (Transmission Time Interval) 구조를 이용하여 통신을 수행하는 방법에 대한 것이다. 본 방법에서 단말은 제 1 길이의 TTI(short TTI)에 대응하는 제 1 서브프레임, 및 상기 제 1 길이보다 긴 제 2 길이의 TTI(normal TTI)에 대응하는 제 2 서브프레임이 FDM (Frequency Divisional Multiplexing) 방식으로 다중화된 자원 영역을 통해 신호를 송수신하되, 특정 시간 구간에서 상기 제 2 서브프레임을 통해 전송되는 신호의 제 2 링크 방향이 상기 제 1 서브프레임을 통해 전송되는 신호의 제 1 링크 방향과 다른 경우, 상기 제 2 서브프레임의 상기 특정 시간 구간은 상기 제 2 링크 방향으로의 신호 전송에 이용되지 않는 것을 특징으로 한다.

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23-03-2016 дата публикации

매시브 안테나를 지원하는 무선 접속 시스템에서 안테나 상관도를 이용한 데이터 심볼 송수신 방법

Номер: KR1020160032007A
Принадлежит:

... 본 발명은 전 이중 무선(FDR: Full Duplex Radio) 방식을 지원하는 무선 접속 시스템에서 자기 간섭을 제거하는 방법 및 이를 지원하는 장치들을 제공한다. 본 발명의 일 실시예로서 전 이중 무선(FDR) 방식을 지원하는 무선 접속 시스템에서 송신단이 자기 간섭을 제거하는 방법은 두 개의 송신 안테나를 이용하여 두 개의 송신 신호들을 송신하는 단계와 두 개의 수신 안테나를 이용하여 두 개의 수신 신호들을 수신하는 단계와 자기 간섭 채널을 추정하는 단계 및 수신 신호들에서 추정한 자기 간섭 채널을 고려하여 간섭 신호들을 제거하는 단계를 포함할 수 있다. 이때, 간섭 신호들은 송신 신호들이 두 개의 수신 안테나로 입력된 신호들이고, 송신 신호들 및 수신 신호들은 동일한 시간 및 주파수로 구성되는 자원영역을 통해 동시에 송신 및 수신되며, 두 개의 송신 안테나 및 두 개의 수신 안테나는 마름모 형태로 송신단에 배치될 수 있다.

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