APPARATUS AND METHOD FOR DETECTING SIGNAL IN MULTI-INPUT MULTI-OUTPUT SYSTEM
    3.
    发明申请
    APPARATUS AND METHOD FOR DETECTING SIGNAL IN MULTI-INPUT MULTI-OUTPUT SYSTEM 审中-公开
    用于在多输入多输出系统中检测信号的装置和方法

    公开(公告)号:US20070291882A1

    公开(公告)日:2007-12-20

    申请号:US11762265

    申请日:2007-06-13

    IPC分类号: H04L1/02 H03D1/00

    摘要: A signal detection apparatus and method using a modified stack algorithm in a Multi-Input Multi-Output (MIMO) system are provided. The signal detection method includes sorting signals received via antennas and channel coefficients for respective users in descending order, decomposing a channel matrix composed of the sorted channel coefficients into a unitary matrix and an upper-triangular matrix, determining the number of candidate symbol-sequences using the decomposed upper-triangular matrix, obtaining a signal vector for the antennas by using the sorted signals received via respective antennas and the unitary matrix, wherein the signal vector is proportional to the upper-triangular matrix, and detecting the determined number of candidate symbol-sequences by using a modified stack algorithm while expanding a stack structure for the obtained signal vector.

    摘要翻译: 提供了一种在多输入多输出(MIMO)系统中使用修改堆栈算法的信号检测装置和方法。 信号检测方法包括按照降序对各个用户的经由天线和信道系数接收的信号进行分类,将由排序的信道系数组成的信道矩阵分解成酉矩阵和上三角矩阵,使用 分解的上三角矩阵,通过使用经由各个天线接收的分类信号和单位矩阵获得天线的信号矢量,其中信号向量与上三角矩阵成比例,并且检测确定的候选符号 - 通过使用修改的堆栈算法同时扩展获得的信号向量的堆叠结构来扩展序列。