公开(公告)号：US08908813B2

公开(公告)日：2014-12-09

申请号：US13977375

申请日：2011-12-30

Applicant: Bai Cheng Xu

Inventor： Bai Cheng Xu

IPC: H04L27/06 ,  H04L25/02 ,  H04L27/26

CPC classification number: H04L27/2663 ,  H04L25/0212 ,  H04L25/0232 ,  H04L25/0244 ,  H04L25/0256

Abstract: The present invention provides a method and a device for calculating a coefficient of a time-domain channel estimation filter. The method comprises: acquiring position information and weight information of symbols carrying RS information corresponding to X1, X2 . . . XP; acquiring position information and weight information of symbols carrying RS information relating to Y1, Y2, . . . YQ; calculating an autocorrelation matrix of a vector I in accordance with the position information and the weight information, wherein I=[X1, X2, . . . XP, Y1, Y2, . . . YQ]; calculating a crosscorrelation matrix of a vector O and the vector I in accordance with the position information and the weight information, wherein O=[Y0], and Y0 is a time-domain channel ideal value of the symbol on which the channel estimation is currently performed; and calculating an inverse matrix product of the crosscorrelation matrix and the autocorrelation matrix, thereby obtaining a coefficient vector corresponding to the symbol on which the channel estimation is currently performed. According to the present invention, it is able to calculate an optimal filter coefficient.

Abstract translation: 本发明提供了一种用于计算时域信道估计滤波器的系数的方法和装置。 该方法包括：获取携带对应于X1，X2的RS信息的符号的位置信息和权重信息。 。 。 XP; 获取携带与Y1，Y2相关的RS信息的符号的位置信息和权重信息。 。 。 YQ; 根据位置信息和权重信息计算向量I的自相关矩阵，其中I = [X1，X2，...， 。 。 XP，Y1，Y2。 。 。 YQ]; 根据位置信息和权重信息计算向量O和向量I的互相关矩阵，其中O = [Y0]，Y0是当前信道估计的符号的时域信道理想值 执行 以及计算所述互相关矩阵和所述自相关矩阵的逆矩阵乘积，从而获得与当前执行所述信道估计的符号对应的系数向量。 根据本发明，能够计算最佳滤波系数。