ip_05_05.m

contemporarycommunicatonsystem－using MATLAB经典书目源程序！

% MATLAB script for Illustrated Problem 5, Chapter 5.
echo on
SNRindB1=0:1:10;
SNRindB2=0:0.1:10;
for i=1:length(SNRindB1),
  % simulated error rate
  smld_err_prb(i)=smldPe55(SNRindB1(i));   
  echo off;
end;
echo on;
for i=1:length(SNRindB2),
  SNR=exp(SNRindB2(i)*log(10)/10);   
  % theoretical error rate      
  theo_err_prb(i)=Qfunct(sqrt(2*SNR));     
  echo off;
end;
echo on;
% Plotting commands follow
semilogy(SNRindB1,smld_err_prb,'*');
hold
semilogy(SNRindB2,theo_err_prb);