map_16qam.m

该文件夹给出了卷积编码、交织及维特比软译码仿真程序

function x=map_16qam(y)

   m=1;
   for k=-3:2:3
      for l=-3:2:3
         table(m) = (k+j*l)/sqrt(10); % power normalization
         m=m+1;
      end;
   end;
   table=table([0 1 3 2 4 5 7 6 12 13 15 14 8 9 11 10]+1); % Gray code mapping pattern for 8-PSK symbols
   inp=y';
   x=table([8 4 2 1]*inp+1);