qam_demod.m

stbc在2发2收

function demap_out = qam_demod(demap_int);
global Mod_type Tx_num Ofdm_bits
for t = 1:Tx_num
    tempt = dec2bin(demap_int(t,:),Mod_type);
    for n = 1:Ofdm_bits
        demap_out(t,(n-1)*Mod_type+1:n*Mod_type) = tempt(n,1:Mod_type)-48;     
    end
end