svd_decompose_channel.m

matlab编写的MIMO-OFDM仿真程序

function[U,S,V] =svd_decompose_channel(Mt,Mr,h_f,N);
%[U S V] = svd_decompose_channel(Mt,Mr,h_f,N);
%将信到按奇异值分解
%   Mt ----发送天线数 
%   Mr ----接收天线数 
%   h_f ---MIMO冲击响应 -Mr行，Mt*L列，其中L是信道有效时间
%   N ---子载波数

U =[];
S =[];
V =[];
for i = 1:N
    [Utmp Stmp Vtmp] =svd(h_f(:,(i-1)*Mt +1:i*Mt));
    U = [U Utmp];
    V = [V Vtmp];
    S = [S Stmp];
end

S = sum(S,1);