bicustm_rsc.m

一种比特交织编码调制

function [output_c,state]=Turbo75Rate13_rsc(g,input,state)
%Recursive Convolutional Codes
%Input uncoded source bits and get coded bits with a rate 1.
%When using this program, generator matrix, input bits, and initial state
%are neded.
[n,k]=size(g);
output(1)=g(1,1)*input;
for i=1:n
    if i>1
        output(i)=output(i-1);
    end;
    for j=2:k
        if g(i,j)~=0
            output(i)=xor(output(i),g(i,j)*state(j-1));
        end;
        
    end;
end;
output_c=output(n);
state=[output(1),state(1:k-2)];