Multi-user data transmission/reception system and mode determination method
    3.
    发明授权
    Multi-user data transmission/reception system and mode determination method 有权
    多用户数据发送/接收系统和模式确定方法

    公开(公告)号:US07916620B2

    公开(公告)日:2011-03-29

    申请号:US11965576

    申请日:2007-12-27

    IPC分类号: H04B7/02 H04B15/00 H04L27/26

    摘要: A multi-user data transmission/reception system includes at least one mobile station to receive a pilot signal, select a preferred mode, a preceding matrix index, a beamforming vector index, and a quantized capacity level using the pilot signal, and transmit the preferred mode, the precoding matrix index, the beamforming vector index, and the quantized capacity level; and a base station to transmit the pilot signal to the at least one mobile station, receive the preferred mode, the precoding matrix index, the beamforming vector index, and the quantized capacity level from the at least one mobile station, and determine an optimal mode, an optimal precoding matrix, and an optimal beamforming vector using a lookup table storing an expected capacity for each capacity quantization interval.

    摘要翻译: 多用户数据发送/接收系统包括用于接收导频信号的至少一个移动站,使用导频信号选择优选模式,前一矩阵索引,波束成形向量索引和量化容量级别,并且发送优选的 模式,预编码矩阵索引,波束成形向量索引和量化容量级别; 以及基站,用于向所述至少一个移动站发送所述导频信号,从所述至少一个移动台接收所述优选模式,所述预编码矩阵索引,所述波束成形向量索引和所述量化容量级别,并且确定最佳模式 ,最优预编码矩阵以及使用存储每个容量量化间隔的预期容量的查找表的最优波束成形向量。

    MULTI-USER DATA TRANSMISSION/RECEPTION SYSTEM AND MODE DETERMINATION METHOD
    5.
    发明申请
    MULTI-USER DATA TRANSMISSION/RECEPTION SYSTEM AND MODE DETERMINATION METHOD 有权
    多用户数据传输/接收系统和模式确定方法

    公开(公告)号:US20080187060A1

    公开(公告)日:2008-08-07

    申请号:US11965576

    申请日:2007-12-27

    IPC分类号: H04K1/10

    摘要: A multi-user data transmission/reception system includes at least one mobile station to receive a pilot signal, select a preferred mode, a preceding matrix index, a beamforming vector index, and a quantized capacity level using the pilot signal, and transmit the preferred mode, the preceding matrix index, the beamforming vector index, and the quantized capacity level; and a base station to transmit the pilot signal to the at least one mobile station, receive the preferred mode, the preceding matrix index, the beamforming vector index, and the quantized capacity level from the at least one mobile station, and determine an optimal mode, an optimal precoding matrix, and an optimal beamforming vector using a lookup table storing an expected capacity for each capacity quantization interval.

    摘要翻译: 多用户数据发送/接收系统包括用于接收导频信号的至少一个移动站,使用导频信号选择优选模式,前一矩阵索引,波束成形向量索引和量化容量级别,并且发送优选的 模式,前面的矩阵索引,波束成形向量索引和量化容量级别; 以及基站,用于向所述至少一个移动台发送所述导频信号,从所述至少一个移动台接收所述优选模式,所述先前矩阵索引,所述波束形成向量索引和所述量化容量级别,并且确定最佳模式 ,最优预编码矩阵以及使用存储每个容量量化间隔的预期容量的查找表的最优波束成形向量。

    Apparatus and method of generating codebook for multiple input multiple output communication system
    7.
    发明授权
    Apparatus and method of generating codebook for multiple input multiple output communication system 失效
    为多输入多输出通信系统生成码本的装置和方法

    公开(公告)号:US08498356B2

    公开(公告)日:2013-07-30

    申请号:US12056340

    申请日:2008-03-27

    IPC分类号: H04B7/02

    CPC分类号: H04B7/0639 H04B7/0417

    摘要: An apparatus and method of generating a codebook. The codebook generation apparatus includes a matrix extender to generate a candidate matrix set by multiplying a base matrix and at least one diagonal matrix, wherein the at least one diagonal matrix includes elements of a constrained set as diagonal elements; and a codebook generator to generate the codebook where a minimum distance between the elements is maximized, based on the candidate matrix set. According to aspects of the present invention, it is possible to provide a precoding codebook that can reduce an amount of feedback from a terminal.

    摘要翻译: 一种生成码本的装置和方法。 码本生成装置包括:矩阵扩展器,用于通过将基本矩阵和至少一个对角矩阵相乘来生成候选矩阵集,其中所述至少一个对角矩阵包括约束集合的元素作为对角元素; 以及码本生成器,用于基于所述候选矩阵集来生成所述元素之间的最小距离最大化的码本。 根据本发明的各方面,可以提供一种可以减少来自终端的反馈量的预编码码本。

    APPARATUS FOR GENERATING PRECODING MATRIX CODEBOOK FOR MIMO SYSTEM AND METHOD OF THE SAME
    8.
    发明申请
    APPARATUS FOR GENERATING PRECODING MATRIX CODEBOOK FOR MIMO SYSTEM AND METHOD OF THE SAME 有权
    用于生成用于MIMO系统的预编码矩阵代码的装置及其方法

    公开(公告)号:US20080225962A1

    公开(公告)日:2008-09-18

    申请号:US11967556

    申请日:2007-12-31

    IPC分类号: H04L27/28

    摘要: An apparatus for generating a precoding matrix codebook includes a matrix group generator to generate a first group of unitary matrices based on a vector-based codebook for precoding of a multiple input multiple output (MIMO) communication scheme; a matrix group extender to extend the first group of unitary matrices to generate a second group of unitary matrices; and a matrix group selector to select a group of columns corresponding to a communication rank from each of the unitary matrices that are elements of the second group so that the columns are optimized based on a distance between the columns corresponding to the communication rank.

    摘要翻译: 一种用于生成预编码矩阵码本的装置,包括矩阵组生成器,用于基于用于多输入多输出(MIMO)通信方案的预编码的基于矢量的码本生成第一组酉矩阵; 矩阵组扩展器,用于扩展第一组酉矩阵以生成第二组酉矩阵; 以及矩阵组选择器,用于从作为第二组的元素的每个酉矩阵中选择与通信秩对应的一组列,使得根据与通信等级对应的列之间的距离优化列。

    Apparatus for generating precoding matrix codebook for MIMO system and method of the same
    9.
    发明授权
    Apparatus for generating precoding matrix codebook for MIMO system and method of the same 有权
    用于生成用于MIMO系统的预编码矩阵码本的装置及其方法

    公开(公告)号:US08238461B2

    公开(公告)日:2012-08-07

    申请号:US11967556

    申请日:2007-12-31

    IPC分类号: H04B7/02

    摘要: An apparatus for generating a precoding matrix codebook includes a matrix group generator to generate a first group of unitary matrices based on a vector-based codebook for precoding of a multiple input multiple output (MIMO) communication scheme; a matrix group extender to extend the first group of unitary matrices to generate a second group of unitary matrices; and a matrix group selector to select a group of columns corresponding to a communication rank from each of the unitary matrices that are elements of the second group so that the columns are optimized based on a distance between the columns corresponding to the communication rank.

    摘要翻译: 一种用于生成预编码矩阵码本的装置,包括矩阵组生成器,用于基于用于多输入多输出(MIMO)通信方案的预编码的基于矢量的码本生成第一组酉矩阵; 矩阵组扩展器,用于扩展第一组酉矩阵以生成第二组酉矩阵; 以及矩阵组选择器,用于从作为第二组的元素的每个酉矩阵中选择与通信秩对应的一组列,使得根据与通信等级对应的列之间的距离优化列。

    Multiple antenna communication system including adaptive updating and changing of codebooks
    10.
    发明授权
    Multiple antenna communication system including adaptive updating and changing of codebooks 有权
    多天线通信系统包括自适应更新和码本的改变

    公开(公告)号:US08498358B2

    公开(公告)日:2013-07-30

    申请号:US12429937

    申请日:2009-04-24

    IPC分类号: H04B7/02

    CPC分类号: H04B7/0417

    摘要: Communication between a base station with multiple transmission antennas and a mobile station is provided. The base station and the mobile station may recognize or estimate, respectively, a channel between the base station and the mobile station, and update a previous codebook with a new codebook based on a variation of the channel. In this instance, the mobile station may provide feedback information to the base station using the new codebook, and the base station may generate a transmission signal for the mobile station using the new codebook and the feedback information.

    摘要翻译: 提供了具有多个发送天线的基站与移动台之间的通信。 基站和移动台可以分别识别或估计基站和移动站之间的信道,并且基于信道的变化用新码本更新先前的码本。 在这种情况下,移动台可以使用新的码本向基站提供反馈信息,并且基站可以使用新的码本和反馈信息来生成针对移动台的发送信号。