sc_ds.m

OFDM系统仿真

function  output=sc_ds(input,randamize_bit,mode)
%添加扰码以及解扰
%mode为1时添加扰码，为其他时解扰

%bit_source = round(rand(ModLevel,N_usedCarrier));
randamize_bit = 1-2*randamize_bit;
if mode==1
    output = 1-2*input;
    output = output.*randamize_bit;
else
    output = input.*randamize_bit;
    output = (1-output)/2;
end