qpskdemod.m

来自「对Vblast—oFdm系统地仿真」· M 代码 · 共 15 行

function bits = QPSKDemod(rx_symbols)

soft_bits=zeros(1,2*length(rx_symbols));

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

soft_bits(1:2:end) = bit0;
soft_bits(2:2:end) = bit1;

bits=soft_bits>0;