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公开(公告)号：KR1020130121656A
公开(公告)日：2013-11-06
申请号：KR1020120122366
申请日：2012-10-31
Applicant: 한국전자통신연구원
IPC: H04J11/00
CPC classification number: H04L5/0053 , H04L27/261 , H04W72/04
Abstract: A wireless resource allocation method for a device channel, a method thereof, and a method for receiving the control channel are disclosed. The wireless resource allocation method, given in the present invention, includes a step of identifying at least one reference signal included in an enhanced control channel which is placed in a resource domain for downlink data; a step of setting a resource element group including at least one resource to be allocated to the enhanced control channel based on the reference signal; and a step of identifying at least one resource element available for the enhanced control channel among resource elements included in the set resource element group and allocating the resource element to the enhanced control channel.
Abstract translation: 公开了一种用于设备信道的无线资源分配方法，其方法和用于接收控制信道的方法。 在本发明中给出的无线资源分配方法包括：识别包括在增强控制信道中的至少一个参考信号的步骤，所述增强控制信道被放置在用于下行链路数据的资源域中; 基于所述参考信号来设置包括要分配给所述增强控制信道的至少一个资源的资源元素组的步骤; 以及识别在所述集资源元素组中包括的资源元素中可用于所述增强控制信道的至少一个资源元素并将所述资源元素分配给所述增强控制信道的步骤。
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公开(公告)号：KR101049363B1
公开(公告)日：2011-07-13
申请号：KR1020080128013
申请日：2008-12-16
Applicant: 한국전자통신연구원
Abstract: 주파수 오프셋 추정 장치가 개시된다. 주파수 오프셋 추정 장치는 수신한 신호의 코릴레이션을 결정하는 상관부; 상기 코릴레이션이 결정된 신호를 타임 도메인 신호로 전환하는 IFFT부; 상기 타임 도메인 신호를 게이팅하는 게이팅부; 상기 게이팅부에서 게이팅된 신호에 FFT를 적용하여 주파수 도메인으로 재변환하는 FFT부; 및, 상기 주파수 도메인을 기초로 오프셋을 추정하는 오프셋 추정부를 포함한다.
게이팅, 오프셋, 타임 도메인, 주파수 도메인, 코릴레이션.-
Patent Agency Ranking
公开(公告)号：KR1020110068773A
公开(公告)日：2011-06-22
申请号：KR1020100036026
申请日：2010-04-19
Applicant: 한국전자통신연구원
Inventor： 이준환
CPC classification number: H04L25/03821 , H04J11/0023 , H04L25/03012 , H04L27/2691
Abstract: PURPOSE: A signal receiving device of a communication system using a multicarrier transmission method and interference cancelling method of the signal receiving device are provided to efficiently distribute an operation amount which can be processed during an interference cancelling process, thereby increasing receiving performance. CONSTITUTION: An ISI(inter-symbol interference) controller(100) cancels interference between symbols from a received signal with delay time which is larger than a guard interval. An ICI(inter-carrier interference) controller(106) cancels interference between sub carriers in a symbol on a frequency domain from the received signal. The ISI controller generates a replica about a previous symbol on a time domain. The ICI controller cancels interferences between symbols as well as sub carriers by generating a replica for a current symbol.
Abstract translation: 目的：提供使用信号接收装置的多载波传输方法和干扰消除方法的通信系统的信号接收装置，以有效地分配在干扰消除处理期间能够处理的操作量，从而提高接收性能。 构成：ISI（符号间干扰）控制器（100）从具有大于保护间隔的延迟时间的接收信号中消除符号之间的干扰。 ICI（载波间干扰）控制器（106）从接收到的信号中消除频域中的符号中的子载波之间的干扰。 ISI控制器生成关于时域上的先前符号的副本。 ICI控制器通过生成当前符号的副本来取消符号和子载波之间的干扰。
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公开(公告)号：KR1020090065170A
公开(公告)日：2009-06-22
申请号：KR1020070132633
申请日：2007-12-17
CPC classification number: H04W52/24 , H04L1/004 , H04W52/20 , H04W52/241
Abstract: A method for controlling a reference power ratio by using a reference channel is provided to buff phenomena that power is temporarily increased or power is temporarily decreased. A change amount of a receiving SINR(Signal-to-Interference-plus-Noise Ratio) is calculated by calculating a difference between an average SINR of a calculated previous channel window section and an average SINR of a calculated present channel window section(S250). Detection of error is checked. A reference SINR is controlled by using the receiving SINR and the change amount(S260).
Abstract translation: 提供了通过使用参考通道来控制参考功率比的方法用于暂时增加功率或暂时降低功率的抛光现象。 通过计算计算出的前一通道窗口部分的平均SINR与计算出的当前通道窗口部分的平均SINR之间的差来计算接收SINR（信号与干扰加噪声比）的变化量（S250） 。 检查错误。 通过使用接收SINR和变化量来控制参考SINR（S260）。
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公开(公告)号：KR100516894B1
公开(公告)日：2005-09-23
申请号：KR1020020072338
申请日：2002-11-20
Applicant: 한국전자통신연구원
IPC: H04B7/216
Abstract: 본 발명은 배열 안테나 기지국 수신 시스템 및 그 방법에 관한 것으로서, 본 발명은 각 안테나에서 수신한 디지털 수신신호에서 획득한 칩 레벨 데이터를 이용하여 모든 핑거의 빔형성에 대해 공통 적용이 가능한 상관역행렬을 연산하는 1개의 상관역행렬 추정부, 칩 레벨 데이터와 기준 신호를 상관하여 상관 벡터를 연산하는 상관벡터 추정수단, 상관역행렬과 상관벡터를 곱하여 빔형성 가중치를 연산하는 곱셈부, 및 칩 레벨 데이터에 상기 빔형성 가중치를 곱한 후 이를 모두 합하여 공간 필터링을 수행하는 빔형성 기능과 상기 칩 레벨 데이터와 확산코드를 상관하는 역확산 기능을 수행하는 적응 수신수단을 포함한다. 따라서, 본 발명은 칩 레벨에서 추정한 빔형성 가중치 연산시 상관역행렬을 다수의 핑거가 공유함으로써 빔형성 가중치를 연산하기 위한 하드웨어를 간소화할 수 있고, 칩 레벨 데이터를 이용한 빔형성 가중치를 심벌 레벨의 제어채널 신호와 데이터채널 신호에 적용하여 빔형성 함으로써 하드웨어를 간소화뿐만 아니라, 데이터 채널을 빔형성 가중치 갱신 주기동안 저장한 후 빔형성하므로 데이터채널에 대한 복조 성능을 향상시키는 효과를 제공하여 준다.
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公开(公告)号：KR1020040043894A
公开(公告)日：2004-05-27
申请号：KR1020020072338
申请日：2002-11-20
Applicant: 한국전자통신연구원
IPC: H04B7/216
Abstract: PURPOSE: An array antenna base station reception system and a method thereof are provided to estimate beamforming weight at a chip level instead of a symbol level, and to share a correlation reverse matrix between fingers, thereby simplifying a hardware structure necessary for estimating the beamforming weight. CONSTITUTION: A multi-channel down-converter(100) converts wireless frequency signals received to each antenna(111) into digital reception signals, and outputs the digital reception signals. A correlated reverse matrix estimator(200) operates a correlated reverse matrix applicable to a beamforming process of all fingers by using chip level data obtained from the digital reception signals. A finger portion(300) shares the correlated reverse matrix as correlating the digital reception signals with a reference signal, estimates correlation vectors by finger, and performs beamforming/despreading processes by consisting of the fingers. A multiplying portion(400) multiplies the correlated reverse matrix by the correlation vectors, operates beamforming weight, and transmits the beamforming weight to the finger portion(300).
Abstract translation: 目的：提供阵列天线基站接收系统及其方法来估计码片级的波束成形权重而不是符号级别，并且共享指状物之间的相关逆矩阵，从而简化估计波束形成权重所需的硬件结构 。 构成：多通道下变换器（100）将接收到每个天线（111）的无线频率信号转换为数字接收信号，并输出数字接收信号。 相关的反向矩阵估计器（200）通过使用从数字接收信号获得的码片级数据来操作适用于所有手指的波束成形处理的相关反向矩阵。 手指部分（300）共享相关联的反向矩阵，使数字接收信号与参考信号相关，通过手指估计相关矢量，并通过手指组成进行波束形成/解扩处理。 乘法部分（400）将相关逆矩阵乘以相关矢量，操作波束成形权重，并将波束成形权重发送到手指部分（300）。
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公开(公告)号：KR1020040031520A
公开(公告)日：2004-04-13
申请号：KR1020020060988
申请日：2002-10-07
Applicant: 한국전자통신연구원
CPC classification number: H04B7/0848
Abstract: PURPOSE: An array antenna system in a wireless communication system is provided to maintain the same power levels of reception signals during a beam forming process of the reception signals, and to use power ratio information of the reception signals when forming transmission beams, thereby magnifying transmission and reception performance. CONSTITUTION: A signal converter(300) amplifies an RF signal through array antennas(310_1-310_n), down-converts an RF to an IF to convert the IF into a digital signal, and outputs the digital signal to a baseband unit(400). The signal converter(300) receives an IF signal from the baseband unit(400), converts the IF signal into an analog signal, up-converts the analog signal to an RF signal, and wirelessly transmits the RF signal. The baseband unit(400) generates beam forming signals having the same power levels by using the signal outputted from the signal converter(300), performs a combining/decoding process, and outputs a final signal to a digital demodulator. The baseband unit(400) modulates a channel-coded signal for an input signal of the digital demodulator, based on power ratios of the beam forming signals, generates transmission beam forming signals, and outputs the transmission beam forming signals to the signal converter(300).
Abstract translation: 目的：提供一种无线通信系统中的阵列天线系统，用于在接收信号的波束形成处理期间维持接收信号的相同功率电平，并且在形成发射波束时使用接收信号的功率比信息，从而放大传输 和接待表演。 构成：信号转换器（300）通过阵列天线（310_1-310_n）放大RF信号，将RF下变频为IF以将IF转换为数字信号，并将数字信号输出到基带单元（400） 。 信号转换器（300）从基带单元（400）接收IF信号，将IF信号转换为模拟信号，将模拟信号上变频为RF信号，并将RF信号无线发送。 基带单元（400）通过使用从信号转换器（300）输出的信号产生具有相同功率电平的波束形成信号，执行组合/解码处理，并将最终信号输出到数字解调器。 基带单元（400）基于波束形成信号的功率比来调制用于数字解调器的输入信号的信道编码信号，产生传输波束形成信号，并将传输波束形成信号输出到信号转换器（300 ）。
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