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1. 发明申请

US20130022146A1 METHOD AND APPARATUS FOR FEEDING BACK AND CONSTRUCTING CORRELATION MATRIX IN MULTI-INPUT MULTI-OUTPUT SYSTEMS 有权
标题翻译：用于在多输入多输出系统中反馈和构建相关矩阵的方法和装置
公开(公告)号：US20130022146A1
公开(公告)日：2013-01-24
申请号：US13639460
申请日：2010-04-07
申请人： Jinhui Chen , Di Lv , Yang Song , Dong Li
发明人： Jinhui Chen , Di Lv , Yang Song , Dong Li
IPC分类号： H04B7/02
CPC分类号： H04L25/03898 , H04L25/03949 , H04L2025/03414 , H04L2025/03426 , H04L2025/03808
摘要： The present invention provides a method for feeding back a correlation matrix in a multi-input multi-output system, comprising: constructing codebooks for the correlation matrix based on a conjugation nature of the correlation matrix and based on a predetermined relationship between diagonal elements and off-diagonal elements in the correlation matrix; selecting a codeword from the constructed codebook; and feeding back a corresponding index of the selected codeword in the codebook. Through the present invention, the throughput of the multi-input multi-output system can be enhanced, while reducing the encoder complexity or transfer load.
摘要翻译：本发明提供了一种用于在多输入多输出系统中反馈相关矩阵的方法，包括：基于相关矩阵的共轭特性并基于对角元素之间的预定关系和关闭来构造相关矩阵的码本相关矩阵中的对角线元素; 从构造的码本中选择码字; 并反馈码本中所选码字的相应索引。通过本发明，可以提高多输入多输出系统的吞吐量，同时降低编码器的复杂度或传输负载。

2. 发明授权

US08811521B2 Method and apparatus for feeding back and constructing correlation matrix in multi-input multi-output systems 有权
标题翻译：在多输入多输出系统中反馈和构造相关矩阵的方法和装置
公开(公告)号：US08811521B2
公开(公告)日：2014-08-19
申请号：US13639460
申请日：2010-04-07
申请人： Jinhui Chen , Di Lv , Yang Song , Dong Li
发明人： Jinhui Chen , Di Lv , Yang Song , Dong Li
IPC分类号： H04L23/02
CPC分类号： H04L25/03898 , H04L25/03949 , H04L2025/03414 , H04L2025/03426 , H04L2025/03808
摘要： The present invention provides a method for feeding back a correlation matrix in a multi-input multi-output system, comprising: constructing codebooks for the correlation matrix based on a conjugation nature of the correlation matrix and based on a predetermined relationship between diagonal elements and off-diagonal elements in the correlation matrix; selecting a codeword from the constructed codebook; and feeding back a corresponding index of the selected codeword in the codebook. Through the present invention, the throughput of the multi-input multi-output system can be enhanced, while reducing the encoder complexity or transfer load.
摘要翻译：本发明提供了一种用于在多输入多输出系统中反馈相关矩阵的方法，包括：基于相关矩阵的共轭特性并基于对角元素之间的预定关系和关闭来构造相关矩阵的码本相关矩阵中的对角线元素; 从构造的码本中选择码字; 并反馈码本中所选码字的相应索引。通过本发明，可以提高多输入多输出系统的吞吐量，同时降低编码器的复杂度或传输负载。

3. 发明授权

US08982973B2 Correlation-matrix feedback method and system for antenna array 有权
标题翻译：天线阵列的相关矩阵反馈方法和系统
公开(公告)号：US08982973B2
公开(公告)日：2015-03-17
申请号：US13639140
申请日：2010-04-06
申请人： Jinhui Chen , Dong Li , Hongwei Yang , Yang Song
发明人： Jinhui Chen , Dong Li , Hongwei Yang , Yang Song
IPC分类号： H04K1/10 , H04L27/28 , H04B7/06
CPC分类号： H04B7/0639 , H04B7/0663
摘要： The present invention provides a correlation-matrix feedback method and system for an antenna array. The method comprises steps of: selecting, at a receiving end, a codeword from a predetermined correlation-matrix codebook comprising a plurality of codewords according to a predetermined criterion to represent a correlation matrix to be fed back (300); and feeding back an index of the selected codeword in the predetermined correlation-matrix codebook to a transmitting end (302); wherein each codeword is a codeword matrix for approximating a correlation matrix of an antenna array at the transmitting end. According to the present invention, it is possible to take good advantage of the characteristics of closely-spaced ULA antennas and spatial correlation thereof, design a corresponding codebook for quantization and feedback, and reduce feedback overhead and computational complexity so as to improve the system performance of a spatial correlation aided system, such as a MIMO system.
摘要翻译：本发明提供了一种用于天线阵列的相关矩阵反馈方法和系统。该方法包括以下步骤：在接收端从根据预定标准的包括多个码字的预定相关矩阵码本中选择代码字，以表示要反馈的相关矩阵（300）; 并将所述预定相关矩阵码本中的所选码字的索引反馈给发送端（302）; 其中每个码字是用于近似发送端的天线阵列的相关矩阵的码字矩阵。根据本发明，可以充分利用紧密隔开的ULA天线的特性及其空间相关性，设计相应的量化和反馈码本，并减少反馈开销和计算复杂度，从而提高系统性能的空间相关辅助系统，如MIMO系统。

4. 发明申请

US20130022139A1 CORRELATION-MATRIX FEEDBACK METHOD AND SYSTEM FOR ANTENNA ARRAY 有权
标题翻译：天线阵列的相关矩阵反馈方法及系统
公开(公告)号：US20130022139A1
公开(公告)日：2013-01-24
申请号：US13639140
申请日：2010-04-06
申请人： Jinhui Chen , Dong Li , Hongwei Yang , Yang Song
发明人： Jinhui Chen , Dong Li , Hongwei Yang , Yang Song
IPC分类号： H04L27/28
CPC分类号： H04B7/0639 , H04B7/0663
摘要： The present invention provides a correlation-matrix feedback method and system for an antenna array. The method comprises steps of: selecting, at a receiving end, a codeword from a predetermined correlation-matrix codebook comprising a plurality of codewords according to a predetermined criterion to represent a correlation matrix to be fed back (300); and feeding back an index of the selected codeword in the predetermined correlation-matrix codebook to a transmitting end (302); wherein each codeword is a codeword matrix for approximating a correlation matrix of an antenna array at the transmitting end. According to the present invention, it is possible to take good advantage of the characteristics of closely-spaced ULA antennas and spatial correlation thereof, design a corresponding codebook for quantization and feedback, and reduce feedback overhead and computational complexity so as to improve the system performance of a spatial correlation aided system, such as a MIMO system.
摘要翻译：本发明提供了一种用于天线阵列的相关矩阵反馈方法和系统。该方法包括以下步骤：在接收端从根据预定标准的包括多个码字的预定相关矩阵码本中选择代码字，以表示要反馈的相关矩阵（300）; 并将所述预定相关矩阵码本中的所选码字的索引反馈给发送端（302）; 其中每个码字是用于近似发送端的天线阵列的相关矩阵的码字矩阵。根据本发明，可以充分利用紧密隔开的ULA天线的特性及其空间相关性，设计相应的量化和反馈码本，并减少反馈开销和计算复杂度，从而提高系统性能的空间相关辅助系统，如MIMO系统。

5. 发明授权

US08817634B2 Method and device used for feedback of channel information and precoding 有权
标题翻译：用于信道信息和预编码反馈的方法和设备
公开(公告)号：US08817634B2
公开(公告)日：2014-08-26
申请号：US13522084
申请日：2010-01-13
申请人： Jinhui Chen , Dong Li
发明人： Jinhui Chen , Dong Li
IPC分类号： H04L12/26
CPC分类号： H04L1/0026 , H04B7/0417 , H04B7/0421 , H04B7/0639 , H04L1/0028 , H04L1/06
摘要： The invention proposes a technical scheme (called as explicit feedback (used for feeding the information of downlink channels back to a base station at the user terminal of a wireless communication system, and a technical scheme for precoding the data transmitted to the user terminal based on the information of downlink channels feed back by the user terminal in the base station. The user terminal determines an approximately equivalent matrix of the transmission matrix of downlink channel, based on the transmission matrix of downlink channel, the number of downlink data streams, the spatial correlation matrix of multiple transmitting antennas in the base station and a predetermined codebook; then feeds the information concerning the approximately equivalent matrix back to the base station. The base station recovers the approximately equivalent matrix based on the information concerning the approximately equivalent matrix fed back from the user terminal, and precodes the downlink data transmitted to the user terminal by using the approximately equivalent matrix.
摘要翻译：本发明提出了一种技术方案（被称为显式反馈（用于将下行链路信道的信息反馈给无线通信系统的用户终端处的基站，以及用于对根据用户终端发送的用户终端的数据进行预编码的技术方案）下行链路信道的信息由基站中的用户终端反馈，用户终端基于下行链路信道的传输矩阵，下行链路数据流的数量，空间的数量来确定下行链路信道的传输矩阵的近似等效矩阵基站中的多个发射天线的相关矩阵和预定的码本;然后将关于近似等效的矩阵的信息反馈给基站，基站基于从大约等效的矩阵反馈的信息来恢复近似等效的矩阵用户终端，并对下行链路数据t进行预编码通过使用近似等效的矩阵发送到用户终端。

6. 发明申请

US20130136201A1 METHOD AND APPARATUS FOR GENERATING A FEEDBACK CODEBOOK IN A NETWORK DEVICE 审中-公开
标题翻译：用于在网络设备中生成反馈代码的方法和装置
公开(公告)号：US20130136201A1
公开(公告)日：2013-05-30
申请号：US13521935
申请日：2010-01-13
申请人： Jinhui Chen , Dong Li
发明人： Jinhui Chen , Dong Li
IPC分类号： H04B7/04
CPC分类号： H04B7/0478 , H04B7/0639 , H04B7/0658 , H04L25/03898 , H04L25/0391 , H04L25/03917 , H04L25/03949
摘要： The invention provides a method of generating a 2M-antenna feedback codebook for l data streams in a network device, wherein l=1, . . . , 2M. The method includes the steps of: acquiring an M-antenna feedback codebook WM,M for M data streams; generating a 2M-antenna feedback codebook for 2M data streams based upon the M-antenna feedback codebook for the M data streams; and determining a 2M-antenna feedback codebook for l data earns according to the generated 2M-antenna feedback codebook for the 2M data streams.
摘要翻译：本发明提供了一种在网络设备中为1个数据流生成2M天线反馈码本的方法，其中l = 1，...。。。，2M。该方法包括以下步骤：获取用于M个数据流的M天线反馈码本WM，M; 基于用于M个数据流的M天线反馈码本生成2M数据流的2M天线反馈码本; 以及根据所生成的2M数据流的2M天线反馈码本，确定用于l个数据收益的2M天线反馈码本。

7. 发明申请

US20120300702A1 METHOD AND DEVICE USED FOR FEEDBACK OF CHANNEL INFORMATION AND PRECODING 有权
标题翻译：用于反馈信道和预测的方法和设备
公开(公告)号：US20120300702A1
公开(公告)日：2012-11-29
申请号：US13522084
申请日：2010-01-13
申请人： Jinhui Chen , Dong Li
发明人： Jinhui Chen , Dong Li
IPC分类号： H04W4/00
CPC分类号： H04L1/0026 , H04B7/0417 , H04B7/0421 , H04B7/0639 , H04L1/0028 , H04L1/06
摘要： The invention proposes a technical scheme (called as explicit feedback (used for feeding the information of downlink channels back to a base station at the user terminal of a wireless communication system, and a technical scheme for precoding the data transmitted to the user terminal based on the information of downlink channels feed back by the user terminal in the base station. The user terminal determines an approximately equivalent matrix of the transmission matrix of downlink channel, based on the transmission matrix of downlink channel, the number of downlink data streams, the spatial correlation matrix of multiple transmitting antennas in the base station and a predetermined codebook; then feeds the information concerning the approximately equivalent matrix back to the base station. The base station recovers the approximately equivalent matrix based on the information concerning the approximately equivalent matrix fed back from the user terminal, and precodes the downlink data transmitted to the user terminal by using the approximately equivalent matrix.
摘要翻译：本发明提出了一种技术方案（被称为显式反馈（用于将下行链路信道的信息反馈给无线通信系统的用户终端处的基站，以及用于对根据用户终端发送的用户终端的数据进行预编码的技术方案）下行链路信道的信息由基站中的用户终端反馈，用户终端基于下行链路信道的传输矩阵，下行链路数据流的数量，空间的数量来确定下行链路信道的传输矩阵的近似等效矩阵基站中的多个发射天线的相关矩阵和预定的码本;然后将关于近似等效的矩阵的信息反馈给基站，基站基于从大约等效的矩阵反馈的信息来恢复近似等效的矩阵用户终端，并对下行链路数据t进行预编码通过使用近似等效的矩阵发送到用户终端。

8. 发明申请

US20120307672A1 METHOD AND USER TERMINAL FOR MULTI-SITE MULTI-USER JOINT TRANSMISSION 有权
标题翻译：用于多站点多用户接口传输的方法和用户终端
公开(公告)号：US20120307672A1
公开(公告)日：2012-12-06
申请号：US13578134
申请日：2010-02-12
申请人： Hao Liu , Dong Li , Yang Song
发明人： Hao Liu , Dong Li , Yang Song
IPC分类号： H04W24/00
CPC分类号： H04B7/024 , H04B7/0417 , H04B7/0452
摘要： The present invention proposes a method for multi-site multi-user joint transmission, the method comprising: measuring, by a user terminal, a downlink channel originated from each base station; according to the measurement for the downlink channel, quantizing and obtaining, by the user terminal, per-site channel information for the each base station and additional inter-site channel information, the additional inter-site channel information being used for calculating joint channel information of multiple base stations; and feeding back, by the user terminal, the per-site channel information for the each base station and the additional inter-site channel information so that the base station performs scheduling to execute the multi-site multi-user joint transmission.
摘要翻译：本发明提出了一种多站点多用户联合传输的方法，该方法包括：由用户终端测量源自每个基站的下行链路信道; 根据下行链路信道的测量，由用户终端量化并获取每个基站的每站点信道信息和附加的站点间信道信息，用于计算联合信道信息的附加站点间信道信息的多个基站; 并且由用户终端反馈每个基站的每站点信道信息和附加站点间信道信息，使得基站执行调度以执行多站点多用户联合传输。

9. 发明申请

US20110207494A1 METHOD AND APPARATUS FOR MIMO-BASED MULTIPLE BASE STATION COLLABORATIVE COMMUNICATION 有权
标题翻译：基于MIMO的多基站协作通信的方法与装置
公开(公告)号：US20110207494A1
公开(公告)日：2011-08-25
申请号：US13125304
申请日：2008-10-31
申请人： Xiaolong Zhu , Dong Li , Yang Song
发明人： Xiaolong Zhu , Dong Li , Yang Song
IPC分类号： H04B7/26
CPC分类号： H04B7/024 , H04L5/0014 , H04L5/0035 , H04L5/0094 , H04W72/1278
摘要： A solution for multiple base station collaborative communication in TDD (Time Division Duplex) and FDD (Frequency Division Duplex) systems is provided. To be specific, a serving base station and coordinating base station transmit detection signals with specific Multiple Input Multiple Output (MIMO) features on one or more communication resources. The mobile station measures the detection signals on the one or more communication resources and generates indication information of the recommended collaborative communication modes based on the measurement results. Preferably the indexes of the time-frequency resources corresponding to the recommended collaborative communication modes are reported to the serving base station. Then the serving base station schedules at least one of the one or more mobile stations according to the indication information reported by the one or more stations and provides MIMO communication manner for the mobile station scheduled. The coverage of the cells is improved, the cell edge user throughput is increased and the inter-cell interference between neighboring base stations is decreased by exploiting the invention. Preferably the amount of uplink feedback information is decreased and the uplink bandwidth is saved.
摘要翻译：提供了TDD（时分双工）和FDD（Frequency Division Duplex）系统中多基站协同通信的解决方案。具体来说，服务基站和协调基站在一个或多个通信资源上传送具有特定多输入多输出（MIMO）特征的检测信号。移动站测量一个或多个通信资源上的检测信号，并基于测量结果生成推荐的协作通信模式的指示信息。优选地，将与推荐的协作通信模式相对应的时间 - 频率资源的索引报告给服务基站。然后，服务基站根据由一个或多个站报告的指示信息来调度一个或多个移动站中的至少一个，并为调度的移动站提供MIMO通信方式。改善了小区的覆盖范围，通过利用本发明，增加了小区边缘用户吞吐量并减少了相邻基站之间的小区间干扰。优选地，上行链路反馈信息的量减少，并且保存上行链路带宽。

10. 发明申请

US20110142164A1 METHOD AND DEVICE FOR REALIZING GROUPING IN MULTI-INPUT MULTI-OUTPUT TRANSMISSION WITH MULTIPLE-SECTOR COORDINATION 失效
标题翻译：用于实现多输入多输出多传输协调分组的方法和装置
公开(公告)号：US20110142164A1
公开(公告)日：2011-06-16
申请号：US13059701
申请日：2008-08-18
申请人： Keying Wu , Yang Song , Liyu Cai , Dong Li
发明人： Keying Wu , Yang Song , Liyu Cai , Dong Li
IPC分类号： H04L27/00
CPC分类号： H04B7/024 , H04B7/0495
摘要： A method and device for performing Multi-Input Multi-Output transmission to a mobile terminal in the base station devices of a wireless communication system is provided. Each base station device determines the sector coordination group used at a certain frequency band according to system settings. Each base station device only performs multiple-sector (-cell) collaborative MIMO transmission in the sector coordination group which includes the sectors governed by the base station device. A simple and effective method is provided for realizing the multiple-sector (-cell) MIMO technology, its advantages including but not limited to there being a reduced amount of information exchanged between sectors (cells), which facilitates implementation and management, and good performance in controlling interface between sectors (cells).
摘要翻译：提供了一种用于在无线通信系统的基站设备中向移动终端执行多输入多输出传输的方法和设备。每个基站设备根据系统设置确定在某个频带使用的扇区协调组。每个基站设备仅在包括由基站设备管理的扇区的扇区协调组中执行多扇区（ - 小区）协作MIMO传输。提供了一种实现多扇区（-cell）MIMO技术的简单有效的方法，其优点包括但不限于在扇区（小区）之间交换的信息量减少，这有助于实现和管理，并且具有良好的性能在控制扇区（单元）之间的接口。

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