mseq.m

Symbol Timing Tracking Using Early-Late Techniques by matlab

function z = mseq(s,h,j)
   for (i=1:j)
        % AND s and h
        y = bitand(s,h);
        % Get bits 3 and 1
        a = bitget(y,3);
        b = bitget(y,1);
        % XOR bits a and b
        x(i) = bitxor(a,b);
        % Create the new state vector

        s = bitset(s,5,x(i));
        if (x(i)==0)
        x(i) = -1;
        end;
   end
   
   z = x;