ip_07_03.m
上传用户:loeagle
上传日期:2013-03-02
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文件大小:1k
- % 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(2*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);