de_qpsk.m

该文件夹给出了卷积编码、交织及维特比软译码仿真程序

function output=de_qpsk(input)

soft_bits = zeros(2*size(input,1),size(input,2));

bit0 = real(input); 
bit1 = imag(input);

output(1:2:size(soft_bits, 1),:) = bit0;
output(2:2:size(soft_bits, 1),:) = bit1;