frame_data_unmapping.m

CPM调制的线性均衡器

function output_vector=frame_data_unmapping(cpm_param,input_vector)
input_vector=(input_vector+cpm_param.M_ary-1)/2;
bits_per_symbol=log2(cpm_param.M_ary);
number_of_bits=size(input_vector,1)*bits_per_symbol;
output_vector=zeros(number_of_bits,1);
for i=1:(cpm_param.symbols_per_frame)
    start_index=(i-1)*bits_per_symbol+1;
    end_index=i*bits_per_symbol;
    output_vector(start_index:end_index)=(bitget(uint8(input_vector(i)),1:bits_per_symbol))';
end