mrc.m

一些关于空时编码的编码解码仿真程序

function [out] = MRC(in,ch_f)

[K,D,N,G,N_t,N_r,L,C]= header;
input= in;
for n = 1:N/N_t,
    b = rem(n-1,3)+1;
    for k = 1:D,
        Y11 = input(1,k,2*n-1);
        Y12 = input(1,k,2*n);
        Y21 = input(2,k,2*n-1);
        Y22 = input(2,k,2*n);
        H11 = ch_f(1,1,k,b);
        H12 = ch_f(1,2,k,b);
        H21 = ch_f(2,1,k,b);
        H22 = ch_f(2,2,k,b);
        Y = [Y11, conj(Y12), Y21, conj(Y22)].';
        H = [H11, H12; conj(H12), -conj(H11); H21,H22; conj(H22), -conj(H21)];
        rc(1:N_t,k,n) = H'*Y/(H11*conj(H11) + H12*conj(H12) + H21*conj(H21) + H22 *conj(H22));
    end
end

out = reshape(rc,1,D*N);