?? ip_07_03.m
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% MATLAB script for Illustrative Problem 7.3.
echo on
SNRindB1=0:2:10;
SNRindB2=0:0.1:10;
for i=1:length(SNRindB1),
[pb,ps]=cm_sm32(SNRindB1(i)); % simulated bit and symbol error rates
smld_bit_err_prb(i)=pb;
smld_symbol_err_prb(i)=ps;
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)=Qfunct(sqrt(SNR)); % theoretical bit-error rate
echo off ;
end;
echo on ;
% Plotting commands follow
semilogy(SNRindB1,smld_bit_err_prb,'*');
hold
semilogy(SNRindB1,smld_symbol_err_prb,'o');
semilogy(SNRindB2,theo_err_prb);
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