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Highlights from
Contemporary Communications Systems Matlab Files

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Contemporary Communications Systems Matlab Files

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Matlab Files in this book

ip_07_08.m
% MATLAB script for Illustrative Problem 7.8.
clear
echo on
SNRindB1=0:2:15;
SNRindB2=0:0.1:15;
for i=1:length(SNRindB1),
  smld_err_prb(i)=cm_sm52(SNRindB1(i));	% simulated error rate
  echo off ;
end;
echo on ;
for i=1:length(SNRindB2),
  SNR=exp(SNRindB2(i)*log(10)/10);     	% signal-to-noise ratio
  theo_err_prb(i)=(1/2)*exp(-SNR/2);	% theoretical symbol error rate
  echo off;
end;
echo on;
% Plotting commands follow.
semilogy(SNRindB1,smld_err_prb,'*');
hold
semilogy(SNRindB2,theo_err_prb);

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