RSC编码代码_rsc码

output1 = zeros(1,L_total); %preallocate for speed
input = [x zeros(1,m)];
state1 = zeros(1,m);
for i=1:L_info   %g=[1 0 1 1;1 1 0 1];  m=3
    in1 = xor(rem(g(1,2:end)*state1',2),input(i)); %mode 2 plus
    output1(i) = rem(g(2,:)*[in1 state1]',2);
    state1 = [in1,state1(1:m-1)]; %寄存器移位
end
for i=L_info+1:L_total %terminate the trellis
    input(i) = rem(g(1,2:end)*state1',2);  %将前向反馈作为输入,模拟真实的硬件
    output1(i) = rem(g(2,:)*[0 state1]',2);
    state1 = [0,state1(1:m-1)] ; %寄存器移位
end