디지털 입력 오버플로우 처리 장치
The present invention refers to digital input overflow processing device relates to search, analog/digital converter (Analog to Digital Converter) generates a second control signal of whether more specifically with input digital input signal level corresponding to the digital input number overflow and digital spurious wave door using the overflow processing device are disclosed. Generally, in a mobile communication system base station or repeater to the BTS extension force is removed. In particular, in digital mobile communication system for receiving a signal amplifying RF RF signal of a received RF signal in such a way that simple rather than extracting digital signal in the digital signal processing the extracted digital signal RF signal and digital repeater is applied again after etc.. An analog signal is converted into a digital signal with an analog/digital converter of these digital repeater although not necessarily disclosed. The, analog/digital converter input when applied with input bit overflow (Bit overflow) and digital signal distortion due to spurious wave radiation or the like can be generating system and service door number. The analog/digital converter converts digital parts by monitoring whether input with input, with input according to signal distortion and digital spurious wave to a side of the network are required. The present invention refers to analog/digital converter (Analog to Digital Converter) whether parts of a digital input signal with input signal level corresponding to the digital input overflow and digital spurious wave door number a number digital input overflow processing device using under public affairs substrate. According to one aspect of the present invention, analog/digital converter converts digital analog signal converted into a digital signal of overflow (overflow) with input detector detecting a digital signal inputted parts - wherein, said digital part of a relay device relaying mobile communication signal is mounted on the relay signal and performing digital processing required -; and signalling pathway disposed on said digital signal, with input detector detecting at least one of said transmitted as a result based on a predetermined signal corresponding with input and whether with input level with it was input to a digital gain control section number hereinafter permission level changed number including overflow processing device is encoded digital input gain plower ball number. In one in the embodiment, digital gain said number the fishermen, Said when considered delay for transmitting digital signal on said signal transduction pathway, said water level detector with input from said location of said detection point signal digital gain number greater than delay time delays in transmission loss value and with input detection with input detector is located in the position can be. In one in the embodiment, the rear end of said control section of said signal transduction pathway with input digital gain number and placed at the front end and on said detector, said detector signal with input from said location of said digital gain control section number detection point in time delay larger than that of a transmission loss delays with input detection unit with input channels can be time delays for imparting further comprises. In one in the embodiment, said with input detector, Said analog/digital converter converts said digital parts an input digital signal into a predetermined digital signal output level random access or said maximum bit overflow exceeds a predetermined peak with input digital signal to determine whether said detects whether an can be. In one in the embodiment, said analog/digital converter digital signal outputted from the digital number generated by a structure of an overflow for a stand-alone, said relay signal having frequency band signal is a digital filter further includes a number can be a stand-alone. In one in the embodiment, said digital filter said digital gain control section can be located in a number based on said signaling pathway. The of the present invention in the embodiment, analog/digital converter (Analog to Digital Converter) whether parts of a digital input signal with input signal level corresponding to the digital input overflow and digital system by spurious wave door number, with input from the radiation damage due to such as digital part due to spurious wave and digital saturation of PAU, preventing deterioration and/or for any can be equal to or less than. Figure 1 shows a synthesizer of the present invention also applicable one example of the block shown briefly degree. Figure 2 shows a digital input device of the present invention number 1 in the embodiment according to also overflow processing to account for surface. Figure 3 shows a digital input device of the present invention number 2 in the embodiment according to also overflow processing to account for surface. The present invention refers to conversion may have various in the embodiment can apply various bar, in the embodiment example are specific detailed description and drawing the broadcast receiver. However, the present invention is defined with respect to a particular embodiment form which are not included, all the range of the present invention idea and techniques, including the water to replacement should understood to evenly. In describing the present invention, publicly known technique related description is the specific subject matter of invention description if breach of haze can be decided to be supplied from a substrate. In addition, the specification (e.g., number 1, number 2 or the like) number part decodes the description of one or more components according to other components for the identification symbol only disclosed. In addition, in the specification, one component with other components or provides "connected" or is "connected" when, said one component is said directly connected with other components or may be connected either directly or, particularly opposite substrate does not exist in an ideal, connected or connected to another via intermediate components might lead to it will will be. Hereinafter, a detailed drawing of the present invention in the embodiment of relay in reference to each other. Figure 1 shows a block synthesizer of the present invention also applicable one example shown briefly degree of the are disclosed. The reference also 1, downlink signal transduction pathway (i.e., forward pass (Forward path)) on the signal transmission along a path, down-converter (10), ADC (Analog to Digital Converter) (12), digital signal processing unit (30), DAC (Digital to Analog Converter) (14), up-converter (16), PAU (Power Amplification Unit) (18) etc. is arranged. In addition the signal transmission on the uplink signal transduction pathway (i.e., reverse pass (Reverse path)) along the path, LNA (Low Noise Amplifier) (28), downconverter (26), ADC (24), digital signal processing unit (30), DAC (22), up-converter (20) etc. is arranged. Downlink outputs the down converter (10) includes a base station (not shown) delivered from a wired or wireless RF (Radio Frequency) (Base station) receives a, performing frequency downconverts the RF signal IF (Intermediate Frequency) signal. The IF signal is a down-converted frequency ADC (12) a sampling process by a special number of bits (e.g., 14bit) into a digital signal in air from outside. ADC (12) digital signal is converted by the digital signal processing unit (30) signals by using the processed, DAC signal is a digital signal (14) can be again the analog signal is zero. DAC (14) outputted from the analog signal again up-converter (16) and by RF signal frequency up-conversion, PAU RF signal is a frequency up-conversion (18) antenna (not shown) is amplified by a service via a service coverage (Service coverage) can be output to the user terminals. Uplink signal transduction pathway described above at least one downlink signal transduction pathway direction reduction identical function signals can be composed. I.e., LNA on uplink signal transduction pathway (28) includes a service antenna (not shown) through the input RF signal to a low noise amplification downconverter (26) as a driving force transmitting, downconverter (26) includes a RF signal IF signal frequency down converter. The down-converted frequency IF signal ADC (24) converted into the digital signal by, the converted digital signal is digital signal processing unit (30) after being treated with the digital signal by the DAC (22) are input. DAC (22) includes a digital signal to an analog voice signal, converted IF band analog signal up-converter (20) base station (not shown) by RF signal frequency up-conversion can be delivered. As such, digital repeater in digital signal processing for digital signal processing unit (30) being regulated, digital signal processing unit (30) is also 1 as shown in FPGA (Field Programmable Gate Array) can be implemented. In Figure 1 includes a digital signal processing unit (30) is embodied as a common downlink and uplink signal transduction pathway such as shown but, digital signal processing unit (30) is implemented separately downlink and uplink may be filled. The digital signal processing unit (30) includes a digital signal processing algorithm by applying a preprogrammed, Image rejection (Image Rejection), DC (Direct Current) of blocking (blocking), digital filtering, FA (Frequency Allocation) or sector (sector) signal by processing, the gain number (Gain control), (Multiplexing) digital signal processing such as multiplexing a plurality of hierarchies. The digital signal processing unit (30) the digital signal transfer termination of a processed digital signal by means of output device (of Figure 1 when, downlink signal transmission path and uplink signal transmission path on each end of the DAC digital signal delivery (14, 22) by which means) external (i.e., terminal or a base station) via outputs to be coated. Hereinafter, in the embodiment according to overflow processing device of the present invention each digital input on the detailed as follows. In the embodiment described hereinafter and also 2 through digital input device is also 3 each overflow processing, the aforementioned digital repeater (i.e., forward paths of the downlink relay signal to the outside transmitting service antenna and reverse pass uplink relay signal in one direction both link antenna device station including digital repeater) applicable to disclosed. In addition the, analog/digital converter may be equipped so that each forward pass and reverse pass, overflow processing device according to an embodiment of the present invention described hereinafter is digital input can be implemented both forward pass and reverse pass. In addition, the specification and description but not shown through a separate, main unit including a plurality of remote unit is included (Main Unit) (Remote Unit) each relay unit can be applied to a distributed antenna system (Distributed Antenna System). Figure 2 shows a digital input device of the present invention number 1 in the embodiment according to overflow processing to account for surface also are disclosed. The reference 2 also, overflow processing device of the present invention number 1 in the embodiment according to the digital input, with input detector (210), number digital gain control section (220), digital filter (230) can be a. The, overflow processing device includes a digital input, relay device (i.e., mobile communication signal downlink or uplink) is mounted on the relay signal required responsible digital processing digital part (200) can be implemented in writing. With input detector (210) is, digital part reference signaling pathway (200) located in front of the analog/digital converter converting an analog signal into a digital signal (110) a digital part (200) digital signal overflow (overflow) input detecting substrate. Analog/digital converter (110) when the analog signals that are input to the with it is an input, analog/digital converter (110) an analog/digital converter saturated of processing capabilities (110) of the transformed digital signal outputted from the flying right can be generated. In addition analog/digital converter (110) gain digital signal the control of processing capabilities with flying right (spurious wave) can be generated digital prescaler is generated. (A) is one example of Figure 2 equipped through the substrate. The, with input detector (210) signaling pathway is based on the digital part (200) located in front of the analog/digital converter (110) a digital part (200) that are input to the digital signal generated right whether overflow monitoring substrate. The, with input detector (210) with input detection was not received by, in one example, an input digital signal is a predetermined (i.e., permitted) can be performed by monitoring whether exceeds maximum bit overflow. For example, analog/digital converter (110) is 14 bits of the digital signal outputted from the case, one of the total number of bits 1 code bit identifying whether flying right external grudge 13 bits of data can be used to detect whether generated with input. As another alternative, with input detector (210) was not received by detection with input, analog/digital converter (110) digital output level outputted from a predetermined peak value random access performed by monitoring may be provided are disclosed. By the above-mentioned manner, with input detector (210) with input can be to determine if the input digital signal, with input digital signal if it is determined with reference to the signalling pathway in which there is located in a digital gain number control unit (220) gain change number can be the signal. In addition according to the implemented, with input detector (210) with it was input state estimation of the input digital signal (i.e., with input level) with input type and degree detecting disapproval. In this case, with input detector (210) is, judgment result as, according to the signal level exceeds a variable gain change number allowed range with input digital gain control section number (220) into disapproval. The aforementioned with input detector (210) is only for a corresponding function block or may be implemented as separate components, digital part (200) of DSP (Digital Signal Processor), FPGA (Field Programmable Gate Array), CPU (Central Processing Unit) directory in the function is implemented disapproval. Number digital gain control section (220) includes a digital signal with reference to the described prior signalling pathway with input detector (210) located in a stage of, with input detector (210) with input signals delivered from gain change number based on a predetermined permission level state signal corresponding the number [e[e] hereinafter gain varies gain a plurality of hierarchies. Number digital gain control section (220) to flow through the following method can be gain number are employed. In one example, digital gain control section number (220) by applying a fixed signal attenuation rate (attenuation rate) the signal level of the digital signal is used as the flange. The if, applying said fixed signal attenuation rate only a predetermined permission level hereinafter advance order receipt gain changing signal level may be iteratively performed operation when there is no gain change disapproval. As another alternative, a digital gain number control unit (220) is, by implemented as input voltage range, with input detector (210) variable gain change number transmitted from a signal according to the calcareous with input level of signal attenuation may be made disapproval. In this case, number digital gain control section (220) includes variable attenuator can be implemented as a web service. The aforementioned digital gain number control unit (220) is, digital signal on signal transmission delay when considered signalling pathway, with input detector (210) inserts the number detection signal of digital gain control section (220) is with input detection and location of transmission loss delay (of Figure 2 Delay A reference) (210) with input detection in time delay (of Figure 2 Delay B reference) is located in the position so as to have a value larger than can be. This digital signal with it was input by a virtual representation word order to gain number are disclosed. In Figure 2 is with input detector (210) and a digital gain number control unit (220) is shown but a different digital between components per se absence, therebetween present a different digital components may be filled. In the latter case is with input detector (210) and a digital gain control section number (220) can be interposed between a different digital components selected from the group delay time to collect the digital operation considers both the, number digital gain control section (220) to the entire transmission delays with input detector (210) having a value larger than the detection delay has to with each other. The number digital gain control section (220) the arrangement position of, with input detector (210) and in view of the detection delay and outputs the appropriate location can be predetermined. The number digital gain control section (220) is subjected to the process through gain number, number of superimposing for reparing over with it was input digital signal overflow right can be obtain. (B) of Figure 2 is one example-equipped through the substrate. Number digital gain control section (220) with input number to an output gain of the digital signals can be resolved state door number, reference number signaling pathway digital gain control section (220) located in a digital filter (230) can be input. Digital filter (230) is an analog/digital converter according to an applied as previously described with input (110) generate a number of stand-alone digital signal from right overflow takes place together with the digital prescaler serves a plurality of hierarchies. Digital filter (230) is in one example, normal should be signaled to relay signal band frequency band having a prescaler number can be implemented to present a stand-alone. (C) equipped is one example of Figure 2 through the substrate. (3 also the after alcoholic beverage it will do also relate to) 2 also in digital filter (230) number digital gain control section (220) that when disposed but the rear end of the shown, digital filter (230) is different from those in Figure 2 are placed in many locations may be filled. For example, with reference to the signal transduction pathway, with input detector (210) number detection point signal by digital gain control section (220) may be provided disposed between are disclosed. Only, the other state generated by etching the structure with function which is degradable bar - overflow right, in Figure 2 is in this case taken into account number digital gain control section (220) the rear end of the digital filter (230) to the coil are disclosed. As a result such as described above, includes a digital part of the present invention number 1 in the embodiment according to digital input overflow processing device (200) by a stand-alone digital signal input ((d) of Figure 2 reference) with input and digital spurious wave appropriately number, such as a rear PAU damage, system or/and can be prevented from deteriorating. Figure 3 shows a digital input device of the present invention number 2 in the embodiment according to overflow processing to account for surface also are disclosed. In the same content with the number 1 in the embodiment of the present invention number 2 in the embodiment as described for the prior redundant description dispensed and, hereinafter, functionality and serves to further through a configuration number 2 in the embodiment described about 2000. Reference also 3 when, in of the present invention number 2 in the embodiment, also illustrated a digital input channels relative to overflow processing device number 1 in the embodiment 2 (215) etc. is further added. Channels (215) is based on signaling pathway with input detector (210) number location and detection signal of digital gain control section (220) disposed between, imparts a transmitted digital signal a predetermined period of time to activate the delay number steel. Since as follows. Digital part (200) in accordance with implementations of, with input detector (210) number location and detection signal of digital gain control section (220) with input pathway according to self transmission delay unit (210) greater than (i.e., longer) detection in the delay logic implementing can. Thus, in this case steel number imparting time delay to channels (215) by placing further, with input detector (210) water level detection signal of digital gain from points of connection number (220) detects transmission loss delays with input (210) can be larger than that of a detection in the delay. In a more through a browser but of the present invention in the embodiment, if a person with skill in the art to form a corresponding patent the following is claimed in the art of the present invention within a range that the idea and area away from the present invention may be not varying the modification and changes may be easily understand are disclosed. 110: analog/digital converter 200: digital part 210: with input detector 215: channels 220: number digital gain control section 230: digital filter There is provided a digital input overflow processing device comprising: an excessive input detecting unit which detects an overflow in a digital signal inputted to a digital part from an analog/digital converter, which converts an analog signal to a digital signal, wherein the digital part is mounted on a relay device for relaying a mobile communication signal to perform a digital process required for a relay signal; and a digital gain control unit which is arranged in a signal transfer path of the digital signal and controls a gain based on at least one from whether an input is excessive, which is delivered as a detection result from the excessive input detecting unit, and an excessive input level, such that a level of an excessively-inputted digital signal is changed to be not higher than a preset tolerance level. According to the present invention, a digital input overflow and digital spurious problems can be solved by monitoring whether an input signal from an A/D converter to a digital part is excessive. Back number An analog/digital converter converts digital parts analog signal converted into a digital signal overflow (overflow) with input detector detecting a digital signal inputted of - wherein, said digital part of a relay device relaying mobile communication signal is mounted on the relay signal and performing digital processing required -; and signalling pathway disposed on said digital signal, with input detector detecting at least one of said transmitted as a result based on a predetermined signal corresponding with input and whether with input level with it was input to gain number comprising a digital gain control section number changed plower hereinafter permission level, said digital gain number the fishermen, said delay for transmitting digital signal on said signal transduction pathway when considered, said detector signal from said digital gain control section number and location of said detection point with input transmission loss delays in detection so as to have a value larger than the detection time delays [...] bovine with input with input disposed position, digital input overflow processing device. An analog/digital converter converts digital parts analog signal converted into a digital signal overflow (overflow) with input detector detecting a digital signal inputted of - wherein, said digital part of a relay device relaying mobile communication signal is mounted on the relay signal and performing digital processing required -; signalling pathway disposed on said digital signal, said detector detecting at least one of transmitted with input with input as a result based on a predetermined signal corresponding with it was input and whether with input level changed number hereinafter permission level to gain number plower digital gain control section; and said rear end and said detector number placed at the front end of said on signal transduction pathway with input and digital gain control section, said control section number and location of said detection point signal from said detector with input digital gain with input detection time delay is larger than that of a transmission loss delays in detection with input channels for imparting time delays; including a digital input overflow processing device. According to Claim 2 or Claim 3, said with input detector, said analog/digital converter converts said digital parts an input digital signal into a predetermined digital signal output level random access or said maximum bit overflow exceeds a predetermined peak detects whether said digital signal to a data network with input, digital input overflow processing device. According to Claim 2 or Claim 3, said analog/digital converter digital signal outputted from the digital number generated by a structure of an overflow for a stand-alone, said relay signal having frequency band signal is a digital filter further including a stand-alone number, digital input overflow processing device. According to Claim 5, said digital filter based on said rear end of said digital gain control section number signaling pathway disposed, digital input overflow processing device.
