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1. 发明授权

US08509336B2 Transmitting/receiving method for multi-user multiple-input multiple-output system 有权
标题翻译：多用户多输入多输出系统的发送/接收方法
公开(公告)号：US08509336B2
公开(公告)日：2013-08-13
申请号：US12740896
申请日：2008-06-24
申请人： Choong il Yeh , In-Kyeong Choi , Young Seog Song , Seung Joon Lee , Byung-Jae Kwak , Ji Hyung Kim , Dong Seung Kwon , Joon Doo Kim , Ji Won Kang , Chung Yong Lee
发明人： Choong il Yeh , In-Kyeong Choi , Young Seog Song , Seung Joon Lee , Byung-Jae Kwak , Ji Hyung Kim , Dong Seung Kwon , Joon Doo Kim , Ji Won Kang , Chung Yong Lee
IPC分类号： H04L1/02
CPC分类号： H04B7/0413 , H04B7/0465 , H04L25/03343 , H04L2025/0342 , H04L2025/03426
摘要： Disclosed is a transmitting/receiving method in a multi-user multiple-input multiple-output (MU-MIMO) channel. The transmitting method includes: performing QR decomposition on a Hermitian transpose matrix of a channel matrix to obtain a first matrix and a second matrix as a triangular matrix; obtaining a preprocessing matrix by using the first matrix; and forming an effective channel based on the preprocessing matrix by a block triangulation technique.
摘要翻译：公开了一种多用户多输入多输出（MU-MIMO）信道中的发送/接收方法。发送方法包括：对信道矩阵的厄米转置矩阵执行QR分解以获得第一矩阵和第二矩阵作为三角矩阵; 通过使用第一矩阵获得预处理矩阵; 并通过块三角测量技术形成基于预处理矩阵的有效信道。

2. 发明申请

US20100310001A1 TRANSMITTING/RECEIVING METHOD FOR MULTI-USER MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEM 有权
标题翻译：用于多用户多输入多输出系统的发送/接收方法
公开(公告)号：US20100310001A1
公开(公告)日：2010-12-09
申请号：US12740896
申请日：2008-06-24
申请人： Choong il Yeh , In-Kyeong Choi , Young Seog Song , Seung Joon Lee , Byung-Jae Kwak , Ji Hyung Kim , Dong Seung Kwon , Joon Doo Kim , Ji Won Kang , Chung Yong Lee
发明人： Choong il Yeh , In-Kyeong Choi , Young Seog Song , Seung Joon Lee , Byung-Jae Kwak , Ji Hyung Kim , Dong Seung Kwon , Joon Doo Kim , Ji Won Kang , Chung Yong Lee
IPC分类号： H04L1/02
CPC分类号： H04B7/0413 , H04B7/0465 , H04L25/03343 , H04L2025/0342 , H04L2025/03426
摘要： Disclosed is a transmitting/receiving method in a multi-user multiple-input multiple-output (MU-MIMO) channel. The transmitting method includes: performing QR decomposition on a Hermitian transpose matrix of a channel matrix to obtain a first matrix and a second matrix as a triangular matrix; obtaining a preprocessing matrix by using the first matrix; and forming an effective channel based on the preprocessing matrix by a block triangulation technique.
摘要翻译：公开了一种多用户多输入多输出（MU-MIMO）信道中的发送/接收方法。发送方法包括：对信道矩阵的厄米转置矩阵执行QR分解以获得第一矩阵和第二矩阵作为三角矩阵; 通过使用第一矩阵获得预处理矩阵; 并通过块三角测量技术形成基于预处理矩阵的有效信道。

3. 发明申请

US20100103900A1 BEAMFORMING METHOD AND DEVICE 审中-公开
标题翻译：波纹形成方法和装置
公开(公告)号：US20100103900A1
公开(公告)日：2010-04-29
申请号：US12518233
申请日：2007-09-19
申请人： Choong-Il Yeh , Dong-Seung Kwon , Jee-Hwan Ahn
发明人： Choong-Il Yeh , Dong-Seung Kwon , Jee-Hwan Ahn
IPC分类号： H04W4/00
CPC分类号： H04B7/086 , H04B7/0695 , H04W74/00 , H04W88/08
摘要： The present invention relates to a beamforming device in an orthogonal frequency division multiplexing access system, and a method thereof. In the method, a switched beamforming algorithm is applied to perform downlink beamforming, and an adaptive beamforming algorithm is applied to perform uplink receiving beamforming. In addition, a half wavelength array antenna is used to simultaneously allocate the same resource to two terminals separately positioned in two different spaces, so as to support spatial division multiple access (SDMA). In this case, since a base station uses channel status information at transmitter (CSIT) for transmitting beamforming and receiving beamforming, the SDMA may be supported without obtaining additional channel status information at receiver (CSIR) when realizing the uplink receiving beamforming.
摘要翻译：本发明涉及正交频分复用接入系统中的波束成形装置及其方法。在该方法中，应用交换波束成形算法来执行下行波束成形，并且应用自适应波束成形算法来执行上行链路接收波束形成。另外，使用半波长阵列天线来将相同的资源同时分配给分开定位在两个不同空间中的两个终端，以支持空分多址（SDMA）。在这种情况下，由于基站在发射机（CSIT）处使用信道状态信息来发送波束成形和接收波束形成，所以在实现上行链路接收波束形成时，可以不在接收机（CSIR）下获得附加信道状态信息的情况下支持SDMA。

4. 发明申请

US20080214218A1 Method for Maximal Ratio Combining of Spatially Filtered Signals and Apparatus Therefor 有权
标题翻译：空间滤波信号最大比组合方法及其设备
公开(公告)号：US20080214218A1
公开(公告)日：2008-09-04
申请号：US12088109
申请日：2006-09-28
申请人： Choong-Il Yeh , Jae-Joon Park , Chul-Sik Yoon
发明人： Choong-Il Yeh , Jae-Joon Park , Chul-Sik Yoon
IPC分类号： H04B7/00
CPC分类号： H04B7/0857
摘要： The present invention relates to a maximum ratio combining method of spatial-filtered received signals and an apparatus using the same. For this purpose the present invention provides a method for receiving signals by using a plurality of antennas that form a linear array antenna, multiplying a plurality of weight vectors by the received signals, summing the multiplication results for each weight vector, and combining the summing results by using maximum ratio combining. According to the present invention, signals are dividedly received by applying spatial filtering for a receiving direction of each signal and performance can be improved by combining the received signals by using maximum ratio combining. In addition, performance of an MRC-rake and a beam forming gain can be simultaneously acquired according to the present invention.
摘要翻译：本发明涉及空间滤波接收信号的最大比组合方法和使用其的装置。为此，本发明提供一种通过使用形成线性阵列天线的多个天线来接收信号的方法，将多个加权矢量乘以接收信号，对每个加权矢量乘以相乘结果，并将求和结果通过使用最大比率组合。根据本发明，通过对每个信号的接收方向应用空间滤波来分割接收信号，并且可以通过使用最大比合并来组合接收信号来提高性能。此外，根据本发明，可以同时获取MRC耙式和波束形成增益的性能。

5. 发明申请

US20070263743A1 Method for Allocating Data and Pilots, and Transmitting Method and Device and Receiving Method and Device Using the Same in Orthogonal Frequency Division Multiple Access System 有权
标题翻译：分配数据和导频的方法，以及正交频分多址系统的发送方法及装置及其接收方法及装置
公开(公告)号：US20070263743A1
公开(公告)日：2007-11-15
申请号：US10583593
申请日：2004-07-22
申请人： Yu-Ro Lee , Jonge-Ee Oh , Choong-Il Yeh , Hyoung-Soo Lim , Dong-Seung Kwon
发明人： Yu-Ro Lee , Jonge-Ee Oh , Choong-Il Yeh , Hyoung-Soo Lim , Dong-Seung Kwon
IPC分类号： H04B7/02
CPC分类号： H04B7/12 , H04L5/0044 , H04L5/0048 , H04W72/00
摘要： Disclosed is a method for allocating data and pilots, a transmitting method and device, a receiving method and device in an OFDMA system. A terminal partitions subcarrier groups and symbols from an uplink channel based on a basic pilot pattern generated by a specific reference, receives at least one subchannel based on the partitioned subcarrier groups and symbols, hops the subcarrier groups caused by the subchannel according to hopping patterns, allocates data, and differently positions the pilots per subcarrier group based on the basic pilot pattern. Accordingly, the probability of pilot collision between adjacent cells is reduced, and accuracy of channel estimation is increased through boosting the pilot subcarrier power.
摘要翻译：公开了一种在OFDMA系统中分配数据和导频的方法，发送方法和设备，接收方法和设备。终端基于由特定基准产生的基本导频模式，从上行链路信道分割子载波组和符号，根据划分的子载波组和符号接收至少一个子信道，根据跳频图案跳过由子信道引起的子载波组，分配数据，并且基于基本导频模式不同地定位每个子载波组的导频。因此，相邻小区之间的导频冲突的概率降低，并且通过提升导频副载波功率来增加信道估计的精度。

6. 发明授权

US08619714B2 Method of allocating resource and method of forming ranging channel 有权
标题翻译：分配资源的方法和形成测距信道的方法
公开(公告)号：US08619714B2
公开(公告)日：2013-12-31
申请号：US12991204
申请日：2009-05-06
申请人： Choong Il Yeh , Byung-Jae Kwak , Dong Seung Kwon , Jee Hwan Ahn
发明人： Choong Il Yeh , Byung-Jae Kwak , Dong Seung Kwon , Jee Hwan Ahn
IPC分类号： H04W4/00
CPC分类号： H04L5/0053 , H04J3/0682 , H04L5/0048 , H04L5/0091 , H04L25/0224
摘要： An access point allocates a resource for ranging to an access terminal included therein, and receives a ranging channel that includes an identifier of the access terminal and a plurality of pilots. The AP checks the access terminal by using the received identifier, and measures a round trip delay of the access terminal based on the received pilots.
摘要翻译：接入点向其中包括的接入终端分配用于测距的资源，并且接收包括接入终端的标识符和多个导频的测距信道。 AP通过使用接收到的标识符来检查接入终端，并且基于接收的导频测量接入终端的往返延迟。

7. 发明授权

US08611314B2 Device and method for transmitting and receiving synchronization channel 失效
标题翻译：用于发送和接收同步信道的设备和方法
公开(公告)号：US08611314B2
公开(公告)日：2013-12-17
申请号：US12990700
申请日：2009-03-20
申请人： Seung Joon Lee , Choong Il Yeh , Dong Seung Kwon
发明人： Seung Joon Lee , Choong Il Yeh , Dong Seung Kwon
IPC分类号： H04W4/00
CPC分类号： H04L5/0048 , H04L5/0007 , H04L5/0023 , H04L5/005
摘要： A method of transmitting a synchronization channel is provided. A plurality of block sequences for determining at least one block identifier is generated. A plurality of subcarriers of a synchronization channel are divided into a polarity of blocks, and the plurality of block sequences are allocated to the blocks to generate a synchronization signal.
摘要翻译：提供了发送同步信道的方法。生成用于确定至少一个块标识符的多个块序列。同步信道的多个子载波被划分为块的极性，并且将多个块序列分配给块以产生同步信号。

8. 发明申请

US20110044301A1 DEVICE AND METHOD FOR TRANSMITTING AND RECEIVING SYNCHRONIZATION CHANNEL 失效
标题翻译：用于发送和接收同步信道的设备和方法
公开(公告)号：US20110044301A1
公开(公告)日：2011-02-24
申请号：US12990700
申请日：2009-03-20
申请人： Seung Joon Lee , Choong Il Yeh , Dong Seung Kwon
发明人： Seung Joon Lee , Choong Il Yeh , Dong Seung Kwon
IPC分类号： H04W56/00
CPC分类号： H04L5/0048 , H04L5/0007 , H04L5/0023 , H04L5/005
摘要： A method of transmitting a synchronization channel is provided. A plurality of block sequences for determining at least one block identifier is generated. A plurality of subcarriers of a synchronization channel are divided into a polarity of blocks, and the plurality of block sequences are allocated to the blocks to generate a synchronization signal.
摘要翻译：提供了发送同步信道的方法。生成用于确定至少一个块标识符的多个块序列。同步信道的多个子载波被划分为块的极性，并且将多个块序列分配给块以产生同步信号。

9. 发明申请

US20080225975A1 Structured Space-Time Code Achieving the Full Diversity and Full Rate and Generating Method Thereof, and Multi-Input Multi-Output System 有权
标题翻译：实现全分集和全速率及其生成方法的结构化时空码，以及多输入多输出系统
公开(公告)号：US20080225975A1
公开(公告)日：2008-09-18
申请号：US11574725
申请日：2005-02-28
申请人： Seung-Joon Lee , Choong-Il Yeh , Dong-Seung Kwon , Seung-Ku Hwang , Hyoung-Soo Lim , In-Kyeong Choi , Jong-Ee Oh , Kwang-Jae Lim , Seong-Rag Kim , Young-Seog Song , Yu-Ro Lee , Seong-Keun Oh , Moon-Ii Lee
发明人： Seung-Joon Lee , Choong-Il Yeh , Dong-Seung Kwon , Seung-Ku Hwang , Hyoung-Soo Lim , In-Kyeong Choi , Jong-Ee Oh , Kwang-Jae Lim , Seong-Rag Kim , Young-Seog Song , Yu-Ro Lee , Seong-Keun Oh , Moon-Ii Lee
IPC分类号： H04B7/02
CPC分类号： H04B7/02 , H04B7/0697 , H04L1/0612
摘要： A space-time code used for a transmitter to transmit a plurality of data symbols to a receiver in a MIMO system, the space-time code including a code word matrix for transmitting an amount of data symbols corresponding to a product of the number of transmit antennas and a spatial multiplexing rate during one block period, wherein a row index indicates combined signals transmitted through different transmit antennas and a column index indicates time slots that correspond to the number of transmit antennas, and wherein the number of data symbols allocated to each transmit antenna in a code block corresponds to the spatial multiplexing rate, and the data symbols are combined by different combining coefficients for each transmit antenna at every time slot, and simultaneously transmitted through different transmit antennas, and each transmit antenna transmits a different set of data symbols at every time slot.
摘要翻译：用于发射机的空时码将多个数据符号发送到MIMO系统中的接收机，所述时空码包括用于发送对应于发射次数的乘积的数据符号量的码字矩阵天线和一个块周期内的空间多路复用率，其中行索引表示通过不同发射天线发射的组合信号，列索引指示对应于发射天线数的时隙，并且其中分配给每个发射的数据符号数代码块中的天线对应于空间复用速率，并且通过在每个时隙对每个发射天线的不同组合系数组合数据符号，并且同时通过不同的发射天线发射，并且每个发射天线发射不同的数据符号集合在每个时间段

10. 发明授权

US08526531B2 Apparatus and method for selection of precoding matrix 有权
标题翻译：用于选择预编码矩阵的装置和方法
公开(公告)号：US08526531B2
公开(公告)日：2013-09-03
申请号：US12736590
申请日：2009-04-22
申请人： Dong Seung Kwon , Byung-Jae Kwak , Young Seog Song , Seung Joon Lee , Ji Hyung Kim , Choong Il Yeh , Wooram Shin , Chung Gu Kang , Jin-Woo Kim
发明人： Dong Seung Kwon , Byung-Jae Kwak , Young Seog Song , Seung Joon Lee , Ji Hyung Kim , Choong Il Yeh , Wooram Shin , Chung Gu Kang , Jin-Woo Kim
IPC分类号： H04L25/03
CPC分类号： H04L1/06 , H04B7/0639 , H04L1/1867 , H04L1/1893
摘要： The present invention relates to an apparatus and a method for selection of a precoding matrix. In the present invention, a precoding matrix to enable an effective signal-to-noise ratio (ESNR) to have a maximum value with respect to a signal vector that requires retransmission is selected in a codebook and fed back to a transmitter. Accordingly, since the effective signal-to-noise ratio has the maximum value after the signal vector is retransmitted, it is possible to minimize a reception error probability of retransmission.
摘要翻译：本发明涉及用于选择预编码矩阵的装置和方法。在本发明中，在码本中选择能够使有效信噪比（ESNR）相对于需要重发的信号矢量具有最大值的预编码矩阵并反馈给发送机。因此，由于有效的信噪比在重发信号矢量之后具有最大值，所以可以最小化重传的接收错误概率。

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