公开(公告)号：US07860451B2

公开(公告)日：2010-12-28

申请号：US11716695

申请日：2007-03-12

申请人： Duck Dong Hwang ,  Eung Sun Kim ,  Young-Doo Kim ,  Chang Wook Ahn

发明人： Duck Dong Hwang ,  Eung Sun Kim ,  Young-Doo Kim ,  Chang Wook Ahn

IPC分类号： H04B3/36 ,  H04B7/14

CPC分类号： H04B7/15535 ,  H04B7/043 ,  H04W52/46

摘要： A method and apparatus for controlling a power of a relay are provided. The apparatus includes: a signal receiver which receives signals which are transmitted to a plurality of receiving antennas directly from a source or via at least one relay; a channel information acquirement unit which acquires channel information between the source and the at least one relay, and acquires channel information between the at least one relay and the plurality of receiving antennas; a power control signal generation unit which generates a power control signal, based on the acquired channel information and a maximum SNR; and a relay power control unit which transmits the generated power control signal to the relay and thereby controls a transmit signal power with respect to the at least one relay.

摘要翻译： 提供一种用于控制继电器的功率的方法和装置。 该装置包括：信号接收器，其接收从源或经由至少一个继电器直接发送到多个接收天线的信号; 信道信息获取单元，其获取所述源与所述至少一个中继之间的信道信息，并获取所述至少一个中继与所述多个接收天线之间的信道信息; 功率控制信号生成单元，其基于所获取的信道信息和最大SNR生成功率控制信号; 以及继电器功率控制单元，其向所述继电器发送所生成的功率控制信号，从而控制相对于所述至少一个继电器的发送信号功率。

公开(公告)号：US20090040960A1

公开(公告)日：2009-02-12

申请号：US12068157

申请日：2008-02-04

申请人： Eung Sun Kim ,  Young-Doo Kim ,  Tae Soo Kwon ,  Dae-Young Seol ,  Gi Hong Im ,  Ui Kun Kwon

发明人： Eung Sun Kim ,  Young-Doo Kim ,  Tae Soo Kwon ,  Dae-Young Seol ,  Gi Hong Im ,  Ui Kun Kwon

IPC分类号： H04B7/14

CPC分类号： H04B7/15542 ,  H04L1/0606 ,  H04L2001/0097

摘要： A space frequency block code signal relaying system is provided. The space frequency block code signal relaying system includes a signal detecting unit which receives, via a radio channel, a source signal sent from a source station and detects the received signal; a relay signal generation unit which generates a relay signal corresponding with the source signal transmitted from the source station to a destination node based on the received signal, the source signal and the relay signal being signals encoded in a Space Frequency Block Code (SFBC) scheme; and a signal transmitting unit which transmits the relay signal to the destination node.

摘要翻译： 提供了空间频率块码信号中继系统。 空间频率块码信号中继系统包括：信号检测单元，经由无线电信道接收从源站发送的源信号并检测接收到的信号; 中继信号生成单元，基于接收信号，生成与从源站发送到目的地节点的源信号对应的中继信号，源信号和中继信号是以空间频率块码（SFBC）方式编码的信号 ; 以及将所述中继信号发送到所述目的地节点的信号发送单元。

公开(公告)号：US20080064327A1

公开(公告)日：2008-03-13

申请号：US11708457

申请日：2007-02-21

申请人： Young Gon Choi ,  Hyun Cheol Park ,  Eung Sun Kim ,  Jin Sae Jung ,  Jung Ho Kim ,  Kyle Kim ,  Ji Hoon Lee ,  Sung Won Lee ,  Yong Sung Roh ,  Hae Lyong Kim

发明人： Young Gon Choi ,  Hyun Cheol Park ,  Eung Sun Kim ,  Jin Sae Jung ,  Jung Ho Kim ,  Kyle Kim ,  Ji Hoon Lee ,  Sung Won Lee ,  Yong Sung Roh ,  Hae Lyong Kim

IPC分类号： H04B3/36

CPC分类号： H04L1/06 ,  H04B7/15592 ,  H04L2001/0097

摘要： Provided is a constellation rotation relay system and constellation rotation relay method which can acquire full diversity gain by performing constellation rotation for a channel matrix in a relay network when configuring a virtual MIMO channel. The constellation rotation system includes a matrix creator for creating a symbol matrix by configuring a symbol transmitted in parallel from a source of a relay network; and a constellation rotation unit constellation rotating the symbol in the symbol matrix by adding a constellation rotation matrix to the created symbol matrix.

摘要翻译： 提供了一种星座旋转中继系统和星座旋转中继方法，其可以在配置虚拟MIMO信道时通过对中继网络中的信道矩阵执行星座旋转来获取全分集增益。 星座旋转系统包括矩阵创建器，用于通过配置从中继网络的源并行发送的符号来创建符号矩阵; 以及星座旋转单元星座，通过将星座旋转矩阵添加到所创建的符号矩阵来旋转符号矩阵中的符号。

公开(公告)号：US08509329B2

公开(公告)日：2013-08-13

申请号：US12892972

申请日：2010-09-29

申请人： Ui Kun Kwon ,  Tae Rim Park ,  Young Soo Kim ,  Eung Sun Kim

发明人： Ui Kun Kwon ,  Tae Rim Park ,  Young Soo Kim ,  Eung Sun Kim

IPC分类号： H04L27/28

CPC分类号： H04L27/0012

摘要： Disclosed are a data receiving apparatus that may discriminate a type of a received data frame, and a data transmission apparatus that may apply a constellation mapping scheme to a data frame so that a data receiving apparatus may discriminate the data frame in accordance with the constellation mapping scheme applied to the data frame.

摘要翻译： 公开了可以区分接收到的数据帧的类型的数据接收装置和可以将星座映射方案应用于数据帧的数据发送装置，使得数据接收装置可以根据星座映射来区分数据帧 方案应用于数据帧。

公开(公告)号：US07970046B2

公开(公告)日：2011-06-28

申请号：US11851406

申请日：2007-09-07

申请人： Lee M. Garth ,  Abdulla Firag ,  Eung Sun Kim

发明人： Lee M. Garth ,  Abdulla Firag ,  Eung Sun Kim

IPC分类号： H03K5/159 ,  H03H7/30 ,  H03H7/40

CPC分类号： H04L25/03038 ,  H04L1/0631 ,  H04L1/0643 ,  H04L2025/03426 ,  H04L2025/03617

摘要： Provided is a block Time Domain Equalizer (TDE) for a Time Reversal-Space Time Block Codes (TR-STBC) system. The block TDE comprises a block equalizer which generates an output based on an equalizer tap weight with respect to two consecutively received blocks, an equalizer tap weight updating unit which generates an error vector based on the output and the equalizer tap weight and updates the equalizer tap weight using the error vector, and a signal processing unit which processes the output into a digital signal wherein zero padding is eliminated from the output.

摘要翻译： 提供了用于时间反转空间时间块代码（TR-STBC）系统的块时域均衡器（TDE）。 块TDE包括块均衡器，其基于相对于两个连续接收的块的均衡器抽头权重产生输出;均衡器抽头加权更新单元，其基于输出和均衡器抽头权重生成误差向量，并且更新均衡器抽头 使用误差向量的权重，以及信号处理单元，其将输出处理为数字信号，其中从输出中消除零填充。

公开(公告)号：US20110110443A1

公开(公告)日：2011-05-12

申请号：US12892972

申请日：2010-09-29

申请人： Ui Kun KWON ,  Tae Rim Park ,  Young Soo Kim ,  Eung Sun Kim

发明人： Ui Kun KWON ,  Tae Rim Park ,  Young Soo Kim ,  Eung Sun Kim

IPC分类号： H04L27/18 ,  H04L27/00 ,  H04L27/28

CPC分类号： H04L27/0012

摘要： Disclosed are a data receiving apparatus that may discriminate a type of a received data frame, and a data transmission apparatus that may apply a constellation mapping scheme to a data frame so that a data receiving apparatus may discriminate the data frame in accordance with the constellation mapping scheme applied to the data frame.

摘要翻译： 公开了可以区分接收到的数据帧的类型的数据接收装置和可以将星座映射方案应用于数据帧的数据发送装置，使得数据接收装置可以根据星座映射来区分数据帧 方案应用于数据帧。

公开(公告)号：US07907511B2

公开(公告)日：2011-03-15

申请号：US11924928

申请日：2007-10-26

申请人： Young-Doo Kim ,  Eung Sun Kim ,  Tae Soo Kwon ,  Ui Kun Kwon ,  Gi Hong Im ,  Dong Sik Kim

发明人： Young-Doo Kim ,  Eung Sun Kim ,  Tae Soo Kwon ,  Ui Kun Kwon ,  Gi Hong Im ,  Dong Sik Kim

IPC分类号： H04J11/00

CPC分类号： H04B1/59

摘要： A wireless data transmission method and apparatus are provided for compensating a distortion due to a clipped amplitude when an amplitude of a signal is clipped to reduce a peak to average power ratio (PAPR) in a wireless communication system using an orthogonal frequency division multiplexing (OFDM) scheme and a transmit diversity method using an orthogonal coding. The wireless data transmission apparatus includes a coding unit which Space-Time block codes a first data stream into a plurality of second data streams, the plurality of second data streams being orthogonal to each other; an inverse Fourier transform unit which performs an inverse Fourier transform of each of the Space-Time block coded second data stream and generates a plurality of time domain signals; and a plurality of amplitude clipping units which clips an amplitude of each of the plurality of generated time domain signals.

摘要翻译： 提供了一种无线数据传输方法和装置，用于当信号的幅度被限幅时补偿由于限幅幅度引起的失真，从而在使用正交频分复用（OFDM）的无线通信系统中降低峰均功率比（PAPR） ）方案和使用正交编码的发射分集方法。 无线数据传输装置包括：空时块将第一数据流编码为多个第二数据流的编码单元，多个第二数据流彼此正交; 逆傅立叶变换单元，其执行空时块编码的第二数据流中的每一个的傅里叶逆变换，并生成多个时域信号; 以及多个幅度剪辑单元，其剪辑所述多个所生成的时域信号中的每一个的振幅。

公开(公告)号：US07813423B2

公开(公告)日：2010-10-12

申请号：US11851760

申请日：2007-09-07

申请人： Lee M. Garth ,  Eung Sun Kim

发明人： Lee M. Garth ,  Eung Sun Kim

IPC分类号： H03K5/159 ,  H03H7/30 ,  H03H7/40

CPC分类号： H04L25/03057 ,  H04L1/0631 ,  H04L1/0643 ,  H04L2025/03426 ,  H04L2025/03617

摘要： A fast adaptive time domain equalizer for a Time Reversal-Space Time Block Code (TR-STBC) system is provided. More particularly, a reduced-complexity hybrid Decision Feedback Equalizer (DFE) configuration for the TR-STBC system, and a Least Mean Square (LMS), a normalized LMS (NLMS), and a Recursive Least Square (RLS)-based adaptive algorithms for the hybrid DFE are provided.

摘要翻译： 提供了一种用于时间反转空间时间块代码（TR-STBC）系统的快速自适应时域均衡器。 更具体地，针对TR-STBC系统的降低复杂度的混合决策反馈均衡器（DFE）配置，以及最小均方（LMS），归一化LMS（NLMS）和基于递归最小二乘法（RLS）的自适应算法 为混合DFE提供。

公开(公告)号：US20100227635A1

公开(公告)日：2010-09-09

申请号：US12626644

申请日：2009-11-26

申请人： Young-Doo Kim ,  Chan Soo Hwang ,  Eung Sun Kim

发明人： Young-Doo Kim ,  Chan Soo Hwang ,  Eung Sun Kim

IPC分类号： H04B15/00

CPC分类号： H04W72/048 ,  H04W72/082

摘要： Provided is a signal transmission system including a terminal to receive a signal using an interference alignment scheme, and a transmitting base station to transmit, to the terminal, a signal where interference is aligned. The transmitting base station may select, from a plurality of terminals, a target terminal to receive the signal using the interference alignment scheme. The selected target terminal may receive the signal from the transmitting base station and receive interference signals from a plurality of interference base stations.

摘要翻译： 提供了一种信号传输系统，其包括使用干扰对准方案接收信号的终端，以及发射基站，向终端发送干扰对准的信号。 发送基站可以从多个终端中选择目标终端，以使用干扰对准方案来接收信号。 所选择的目标终端可以从发射基站接收信号并从多个干扰基站接收干扰信号。

公开(公告)号：US07787557B2

公开(公告)日：2010-08-31

申请号：US11711119

申请日：2007-02-27

申请人： Young-Doo Kim ,  Eung Sun Kim ,  Gi Hong Lim ,  Ui Kun Kwon

发明人： Young-Doo Kim ,  Eung Sun Kim ,  Gi Hong Lim ,  Ui Kun Kwon

IPC分类号： H04B15/00

CPC分类号： H04L25/03006 ,  H04L27/2623 ,  H04L2025/03414

摘要： An apparatus for correcting clipping distortion of a receiver system includes: an equalizer which generates a first equalization signal by equalizing a frequency domain clipping signal via a first equalization coefficient correcting a channel distortion, and generates a second equalization signal by equalizing the frequency domain clipping signal via a second equalization coefficient correcting the clipping distortion and the channel distortion; and a signal reconstruction unit which receives the first equalization signal and the second equalization signal from the equalizer, determines a transmission symbol by performing a hard decision with respect to the second equalization, and reconstructs a signal by using an amplitude of the transmission symbol and a phase of the first equalization signal when a level of the amplitude of the transmission symbol is greater than or equal to a reference value.

摘要翻译： 一种用于校正接收机系统的限幅失真的装置，包括：均衡器，其通过校正频道失真的第一均衡系数均衡频域限幅信号，产生第一均衡信号，并通过均衡频域限幅信号产生第二均衡信号 经由校正所述限幅失真和所述信道失真的第二均衡系数; 以及从均衡器接收第一均衡信号和第二均衡信号的信号重建单元，通过对第二均衡执行硬判决来确定发送符号，并且通过使用发送符号的幅度和 当发送符号的幅度的电平大于或等于参考值时，第一均衡信号的相位。