Method and apparatus for transmitting/receiving feedback information and system supporting the same in a multi-user multi-antenna system
    3.
    发明申请
    Method and apparatus for transmitting/receiving feedback information and system supporting the same in a multi-user multi-antenna system 有权
    用于在多用户多天线系统中发送/接收反馈信息的方法和装置及支持该反馈信息的系统

    公开(公告)号:US20080043865A1

    公开(公告)日:2008-02-21

    申请号:US11802568

    申请日:2007-05-23

    IPC分类号: H04K1/10

    摘要: A method and apparatus for transmitting/receiving feedback information in a multi-user multi-antenna system and a system supporting the same are provided, in which all possible combinations are created using column vectors included in a precoding codebook, column vectors are correlated in each of the combinations, column vectors comprising correlations exceeding a reference threshold are designated as similar vectors, at least two similar vector sets are formed with the similar vectors, and feedback information is generated based on the at least two similar vector sets and transmitted.

    摘要翻译: 提供了一种用于在多用户多天线系统中发送/接收反馈信息的方法和装置以及支持该多用户多天线系统的系统,其中使用包括在预编码码本中的列向量来创建所有可能的组合,列向量在每个 将包括超过参考阈值的相关性的列向量指定为相似的向量,则使用相似的向量形成至少两个相似的向量集合,并且基于至少两个相似的向量集合生成反馈信息并发送。

    Method and apparatus for transmitting/receiving feedback information and system supporting the same in a multi-user multi-antenna system
    4.
    发明授权
    Method and apparatus for transmitting/receiving feedback information and system supporting the same in a multi-user multi-antenna system 有权
    用于在多用户多天线系统中发送/接收反馈信息的方法和装置及支持该反馈信息的系统

    公开(公告)号:US07689177B2

    公开(公告)日:2010-03-30

    申请号:US11802568

    申请日:2007-05-23

    IPC分类号: H04B1/06

    摘要: A method and apparatus for transmitting/receiving feedback information in a multi-user multi-antenna system and a system supporting the same are provided, in which all possible combinations are created using column vectors included in a precoding codebook, column vectors are correlated in each of the combinations, column vectors comprising correlations exceeding a reference threshold are designated as similar vectors, at least two similar vector sets are formed with the similar vectors, and feedback information is generated based on the at least two similar vector sets and transmitted.

    摘要翻译: 提供了一种用于在多用户多天线系统中发送/接收反馈信息的方法和装置以及支持该多用户多天线系统的系统,其中使用包括在预编码码本中的列向量来创建所有可能的组合,列向量在每个 将包括超过参考阈值的相关性的列向量指定为相似的向量,则使用相似的向量形成至少两个相似的向量集合,并且基于至少两个相似的向量集合生成反馈信息并发送。

    Apparatus and method for transmitting/receiving data in a closed-loop multi-antenna system
    6.
    发明授权
    Apparatus and method for transmitting/receiving data in a closed-loop multi-antenna system 有权
    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

    IPC分类号: H04B1/00

    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。

    Apparatus and method for selecting effective channel in a multi-user MIMO system
    7.
    发明授权
    Apparatus and method for selecting effective channel in a multi-user MIMO system 有权
    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

    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。

    Apparatus and method for selecting effective channel in a multi-user MIMO system
    10.
    发明申请
    Apparatus and method for selecting effective channel in a multi-user MIMO system 有权
    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:US20070253508A1

    公开(公告)日:2007-11-01

    申请号:US11785743

    申请日:2007-04-19

    IPC分类号: H04L1/02

    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。