pr9_23.m

Spread Spectrum and CDMA Principles and Applications 书籍和代码

%Pr9.23;
%finding a generator polynomial for CRC detecting triple errors;

clear all;
n=input('input code length < 2^16, n='); 
m=ceil(log2(n+1)); %degree of primitive polynomial;
g1=primpoly(m,'nodisplay'); %primitive polynomial of degree m;
g1b=de2bi(g1); %converts polynomial to binary vector;
g=gfconv([1,1],g1b); %generator polynomial ready;
fprintf('\n'); fprintf('CRC generator polynomial'); fprintf('\n');
fprintf(['g= ',num2str(g)]); fprintf('\n');