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1. 发明授权

US07986972B2 Method for transmitting data in a communication system 有权
标题翻译：在通信系统中发送数据的方法
公开(公告)号：US07986972B2
公开(公告)日：2011-07-26
申请号：US11702907
申请日：2007-02-06
申请人： Sung-Jin Kim , Myeon-Gyun Cho , Ho-Jin Kim
发明人： Sung-Jin Kim , Myeon-Gyun Cho , Ho-Jin Kim
IPC分类号： H04M1/00
CPC分类号： H04B7/0452 , H04B7/063 , H04B7/0632 , H04B7/0689 , H04B7/0691
摘要： A method is provided a method for transmitting data in a MIMO communication system. The method includes receiving feedback information including channel quality information of transmission antennas from terminals; selecting one of a multi-user mode and a single user mode according to the channel quality information; extracting information for the selected mode from the feedback information; selecting at least one terminal and a preceding matrix of at least one transmission antenna through which data is transmitted according to the extracted information and the selected mode; and transmitting data using the selected precoding matrix and information of the selected terminal.
摘要翻译：提供了一种在MIMO通信系统中发送数据的方法。该方法包括从终端接收包括发送天线的信道质量信息的反馈信息; 根据信道质量信息选择多用户模式和单用户模式之一; 从反馈信息中提取所选模式的信息; 根据所提取的信息和所选择的模式，选择数据被发送的至少一个发射天线的至少一个终端和前一矩阵; 以及使用所选择的预编码矩阵和所选择的终端的信息来发送数据。

2. 发明申请

US20080096488A1 Apparatus and method for transmitting and receiving data in a communication system 审中-公开
标题翻译：用于在通信系统中发送和接收数据的装置和方法
公开(公告)号：US20080096488A1
公开(公告)日：2008-04-24
申请号：US11645415
申请日：2006-12-26
申请人： Myeon-Gyun Cho , Sung-Jin Kim , Ho-Jin Kim , In-Soo Hwang
发明人： Myeon-Gyun Cho , Sung-Jin Kim , Ho-Jin Kim , In-Soo Hwang
IPC分类号： H04B1/00 , H04B1/02
CPC分类号： H04B7/0417 , H04B7/0632
摘要： For data transmission/reception in a communication system, a transmitter precodes data to be transmitted via at least two antennas, with use of at least one precoding matrix of a predetermined rank, and transmits the precoded data to a receiver. A receiver receives a signal which is precoded with a precoding matrix of a predetermined rank, detects the precoding matrix, calculates a sum rate corresponding to the detected precoding matrix, and feeds back quality information on a channel formed between a transmitter and the receiver when the calculated sum rate falls within a predetermined rank among sum rates calculated for all precoding matrixes.
摘要翻译：对于通信系统中的数据发送/接收，发送器利用至少一个预定等级的预编码矩阵，经由至少两个天线来对数据进行发送，并将预编码的数据发送到接收机。接收机接收用预定秩的预编码矩阵预编码的信号，检测预编码矩阵，计算与检测到的预编码矩阵相对应的和速率，并且当发送机与接收机之间形成的信道上的质量信息反馈时计算出的和速率落入针对所有预编码矩阵计算的总和速率之内的预定等级。

3. 发明申请

US20070249401A1 Method for transmitting data in a communication system 有权
标题翻译：在通信系统中发送数据的方法
公开(公告)号：US20070249401A1
公开(公告)日：2007-10-25
申请号：US11702907
申请日：2007-02-06
申请人： Sung-Jin Kim , Myeon-Gyun Cho , Ho-Jin Kim
发明人： Sung-Jin Kim , Myeon-Gyun Cho , Ho-Jin Kim
IPC分类号： H04M1/00
CPC分类号： H04B7/0452 , H04B7/063 , H04B7/0632 , H04B7/0689 , H04B7/0691
摘要： A method is provided a method for transmitting data in a MIMO communication system. The method includes receiving feedback information including channel quality information of transmission antennas from terminals; selecting one of a multi-user mode and a single user mode according to the channel quality information; extracting information for the selected mode from the feedback information; selecting at least one terminal and a preceding matrix of at least one transmission antenna through which data is transmitted according to the extracted information and the selected mode; and transmitting data using the selected precoding matrix and information of the selected terminal.
摘要翻译：提供了一种在MIMO通信系统中发送数据的方法。该方法包括从终端接收包括发送天线的信道质量信息的反馈信息; 根据信道质量信息选择多用户模式和单用户模式之一; 从反馈信息中提取所选模式的信息; 根据所提取的信息和所选择的模式，选择数据被发送的至少一个发射天线的至少一个终端和前一矩阵; 以及使用所选择的预编码矩阵和所选择的终端的信息来发送数据。

4. 发明授权

US08442448B2 Apparatus and method for transmitting/receiving data in a closed-loop multi-antenna system 有权
标题翻译：用于在闭环多天线系统中发送/接收数据的装置和方法
公开(公告)号：US08442448B2
公开(公告)日：2013-05-14
申请号：US11772325
申请日：2007-07-02
申请人： Sung-Jin Kim , Yong-Xing Zhou , Ho-Jin Kim , Jung-Hoon Suh , Chang-Soon Park
发明人： Sung-Jin Kim , Yong-Xing Zhou , Ho-Jin Kim , Jung-Hoon Suh , Chang-Soon Park
IPC分类号： H04B1/00
CPC分类号： H04B7/0632 , H04B7/0404 , H04B7/0417 , H04B7/0452 , H04B17/309
摘要： An apparatus and method for transmitting and/or receiving data in a closed-loop multi-antenna system, the method of receiving data including: acquiring CQIs of data streams by channel estimation of a received signal; selecting at least one CQI from among the acquired CQIs; calculating a common CQI using the acquired CQIs; generating feedback information with the at least one CQI, the common CQI, and an index of a data stream with the at least one CQI; and transmitting the feedback information to a transmitter.
摘要翻译：一种用于在闭环多天线系统中发送和/或接收数据的装置和方法，所述接收数据的方法包括：通过接收信号的信道估计来获取数据流的CQI; 从所获取的CQI中选择至少一个CQI; 使用所获取的CQI来计算公共CQI; 利用所述至少一个CQI产生反馈信息，所述公共CQI以及具有所述至少一个CQI的数据流的索引; 并将反馈信息发送到发射机。

5. 发明授权

US07941186B2 Apparatus and method for scheduling multiuser/single user in multiple input multiple output (MIMO) system 有权
标题翻译：用于在多输入多输出（MIMO）系统中调度多用户/单用户的装置和方法
公开(公告)号：US07941186B2
公开(公告)日：2011-05-10
申请号：US11782629
申请日：2007-07-24
申请人： Myeon-Kyun Cho , Sung-Jin Kim , Ho-Jin Kim , Cheol-Woo You
发明人： Myeon-Kyun Cho , Sung-Jin Kim , Ho-Jin Kim , Cheol-Woo You
IPC分类号： H04M1/00 , H04W4/00 , H04B7/216
CPC分类号： H04W72/085 , H04B7/0452 , H04B7/0632 , H04B7/0697 , H04L1/0026
摘要： An apparatus and method for scheduling a multiuser and a single user in a Multiple Input Multiple Output (MIMO) system are provided. The method for scheduling a multiuser and a single user at BS in MIMO system includes determining ratios of MultiUser-MIMO (MU-MIMO) chunks and Single User-MIMO (SU-MIMO) chunks to allocation chunks, determining the MU-MIMO chunks in the determined ratio and the remaining chunks as the SU-MIMO chunks, transmitting chunk information relating to the determined chunks to one or more Mobile Stations (MSs), and, when Channel Quality Information (CQI) feedback information relating to the determined MU-MIMO chunks and the determined SU-MIMO chunks is received from the MSs, allocating chunks and streams for MU-MIMO/SU-MIMO to users who maximize overall capacity using the CQI feedback information.
摘要翻译：提供了一种用于在多输入多输出（MIMO）系统中调度多用户和单个用户的装置和方法。在MIMO系统中在BS处调度多用户和单个用户的方法包括：将多用户MIMO（MU-MIMO）块和单用户MIMO（SU-MIMO）块的比率确定为分组块，确定MU-MIMO块中的MU-MIMO块确定的比率和剩余的块作为SU-MIMO块，将与所确定的块相关的块信息发送到一个或多个移动站（MS），以及当与确定的MU-MIMO相关的信道质量信息（CQI）反馈信息块，并且从MS接收确定的SU-MIMO块，将用于MU-MIMO / SU-MIMO的块和流分配给使用CQI反馈信息最大化总体容量的用户。

6. 发明授权

US07894505B2 Apparatus and method for selecting effective channel in a multi-user MIMO system 有权
标题翻译：在多用户MIMO系统中选择有效信道的装置和方法
公开(公告)号：US07894505B2
公开(公告)日：2011-02-22
申请号：US11785743
申请日：2007-04-19
申请人： Yong-Xing Zhou , Sung-Jin Kim , JianJun Li , Ho-Jin Kim
发明人： Yong-Xing Zhou , Sung-Jin Kim , JianJun Li , Ho-Jin Kim
IPC分类号： H04B1/00
CPC分类号： H04B7/0626 , H04L1/0026
摘要： An apparatus and method for selecting an effective channel in a multi-user MIMO system are provided, in which a receiver receives pilot signals from a transmitter, determines channel information indicating an antenna offering the best quality among a plurality of antennas using the pilot signals, and generates feedback information with the channel information, and the transmitter receives feedback information from a plurality of receivers, generates a channel matrix using the feedback information, and transmits data simultaneously to the plurality of receivers using the channel matrix.
摘要翻译：提供了一种用于在多用户MIMO系统中选择有效信道的装置和方法，其中接收机从发射机接收导频信号，使用导频信号确定指示在多个天线中提供最佳质量的天线的信道信息，并且生成具有信道信息的反馈信息，并且发送器从多个接收器接收反馈信息，使用反馈信息生成信道矩阵，并且使用信道矩阵同时向多个接收机发送数据。

7. 发明申请

US20070286304A1 Method of transmitting and receiving data using precoding codebook in multi-user MIMO communication system and transmitter and receiver using the method 有权
标题翻译：使用多用户MIMO通信系统中的预编码码本和使用该方法的发射机和接收机接收数据的方法
公开(公告)号：US20070286304A1
公开(公告)日：2007-12-13
申请号：US11802775
申请日：2007-05-24
申请人： Ho-Jin Kim , Il-Han Kim , David Love , Seung-Young Park , Sung-Jin Kim , Yong-Xing Zhou
发明人： Ho-Jin Kim , Il-Han Kim , David Love , Seung-Young Park , Sung-Jin Kim , Yong-Xing Zhou
IPC分类号： H04Q7/00 , H04B7/02 , H04L1/02
CPC分类号： H04B7/0452 , H04L1/0002 , H04L25/03343 , H04L2025/03426
摘要： Provided are a data transmitting and receiving method for a multiple-input multiple-output (MIMO) communication system, and a transmitter and a receiver using the method. Accordingly, since precoding matrices of a codebook is constituted using a rotation matrix, expansion of the codebook is easy, and since each of the precoding matrices is determined according to the number of transmit antennas, the codebook is systematically created according to a system. In addition the codebook can be applied to even a correlated channel, and the minimum distance between precoding matrices can advantageously be maximized.
摘要翻译：提供了一种用于多输入多输出（MIMO）通信系统的数据发送和接收方法，以及使用该方法的发送器和接收器。因此，由于使用旋转矩阵构成码本的预编码矩阵，因此码本的扩展容易，并且由于根据发送天线的数量来确定每个预编码矩阵，所以根据系统系统地创建码本。此外，码本可以应用于甚至相关信道，并且预编码矩阵之间的最小距离可以有利地被最大化。

8. 发明申请

US20070160162A1 Method and system for transmitting data in a communication system 有权
标题翻译：在通信系统中传输数据的方法和系统
公开(公告)号：US20070160162A1
公开(公告)日：2007-07-12
申请号：US11590015
申请日：2006-10-31
申请人： Sung-Jin Kim , Ho-Jin Kim , Ju-Ho Lee , Hwan-Joon Kwon , Jianjun Li , Yong-Xing Zhou , In-Soo Hwang , Kwang-Bok Lee
发明人： Sung-Jin Kim , Ho-Jin Kim , Ju-Ho Lee , Hwan-Joon Kwon , Jianjun Li , Yong-Xing Zhou , In-Soo Hwang , Kwang-Bok Lee
IPC分类号： H04L1/02
CPC分类号： H04B7/0452 , H04B7/0417 , H04B7/0632 , H04B7/0643 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L1/06 , H04L25/03343 , H04L2025/03426
摘要： A method and system are provided for transmitting data in a multiple-input multiple-output (MIMO) communication system. A receiver sets the number of sub-streams of each column of a preceding matrix with respect to all precoding matrices of channels formed between the receiver and a transmitter and measures channel states with respect to sub-stream combinations whose number is equivalent to the number of set sub-streams. The receiver transmits data according to channel states to the transmitter after measuring the channel states with respect to the sub-stream combinations and antenna combinations representing sub-streams used upon data transmission of all the precoding matrices.
摘要翻译：提供了一种用于在多输入多输出（MIMO）通信系统中传输数据的方法和系统。接收机相对于在接收机和发射机之间形成的信道的所有预编码矩阵来设置前一矩阵的每列的子流的数量，并且针对子流组合测量相对于子数组合数的子流组合的信道状态设置子流。在测量关于子流组合的子信道状态的信道状态和表示在所有预编码矩阵的数据传输时使用的子流的天线组合之后，接收机根据信道状态向发射机发送数据。

9. 发明申请

US20060120478A1 Method and apparatus for transmitting/receiving data in a multiple-input multiple-output communication system 有权
标题翻译：用于在多输入多输出通信系统中发送/接收数据的方法和装置
公开(公告)号：US20060120478A1
公开(公告)日：2006-06-08
申请号：US11274662
申请日：2005-11-15
申请人： Sung-Jin Kim , Ho-Jin Kim , Kwang-Bok Lee , Ki-Ho Kim , Hyoung-Woon Park , Jae-Hak Chung , Chan-Byoung Chae , Won-Il Roh
发明人： Sung-Jin Kim , Ho-Jin Kim , Kwang-Bok Lee , Ki-Ho Kim , Hyoung-Woon Park , Jae-Hak Chung , Chan-Byoung Chae , Won-Il Roh
IPC分类号： H04L1/02
CPC分类号： H04B7/0617 , H04B7/0417 , H04B7/0443 , H04B7/0452 , H04B7/0634
摘要： A multiple-input multiple-output (MIMO) communication system is provided for communication between a transmission apparatus having a plurality of transmission antennas and a reception apparatus having a plurality of reception antennas. The reception apparatus performs singular value decomposition (SVD) on channel information for a channel established to the transmission apparatus, and feeds back the SVD-decomposed channel information to the transmission apparatus. The transmission apparatus receives the SVD-decomposed channel information from the reception apparatus, performs QR decomposition on the received SVD-decomposed channel information, and sets multiple transmission antennas to be allocated to the channel, thereby performing beamforming.
摘要翻译：提供了一种多输入多输出（MIMO）通信系统，用于具有多个发送天线的发送装置与具有多个接收天线的接收装置之间的通信。接收装置对发送装置建立的信道的信道信息进行奇异值分解（SVD），并将SVD分解信道信息反馈给发送装置。发送装置从接收装置接收SVD分解信道信息，对所接收的SVD分解信道信息进行QR分解，并设定要分配给信道的多个发送天线，从而进行波束形成。

10. 发明授权

US08098746B2 Apparatus and method for transmitting/receiving data in a closed-loop multi-antenna system 有权
标题翻译：用于在闭环多天线系统中发送/接收数据的装置和方法
公开(公告)号：US08098746B2
公开(公告)日：2012-01-17
申请号：US11763019
申请日：2007-06-14
申请人： Sung-Jin Kim , Ho-Jin Kim
发明人： Sung-Jin Kim , Ho-Jin Kim
IPC分类号： H04L27/28
CPC分类号： H04L1/0026 , H04B7/0417 , H04B7/043 , H04B7/0632 , H04L1/0003 , H04L1/0009 , H04L1/06 , H04L25/0204
摘要： An apparatus and method for transmitting/receiving data in a closed-loop multi-antenna system. A receiver receives a plurality of data streams from a plurality of transmit antennas of a transmitter, generates Channel Quality Information (CQIs) of channels that carry data streams transmitted from at least two transmit antenna allocated to the receiver among the plurality of transmit antennas, and transmits the CQIs to the transmitter. For the CQI generation, the receiver generates a channel matrix through channel estimation of the received data streams, generates a reception beamforming matrix from the channel matrix including only components of the data streams transmitted from the allocated transmit antennas, and calculates the CQIs using the channel matrix, the reception beamforming matrix, and a total signal-to-noise ratio (SNR) obtained through the channel estimation.
摘要翻译：一种用于在闭环多天线系统中发送/接收数据的装置和方法。接收机从发射机的多个发射天线接收多个数据流，产生载波从多个发射天线中分配给接收机的至少两个发射天线发射的数据流的信道的信道质量信息（CQI），以及将CQI发送到发送机。对于CQI生成，接收器通过对接收到的数据流的信道估计来生成信道矩阵，从仅包含从所分配的发送天线发送的数据流的分量的信道矩阵生成接收波束成形矩阵，并使用信道矩阵，接收波束形成矩阵以及通过信道估计获得的总信噪比（SNR）。

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