ofdmda_qpsk_plot.m

这些代码包括ofdm的实现和信道估计,可以运行,有指导程序的说明文档.

%在4经瑞利衰落条件下，qpsk and ofdm(with compensation)性能曲线比较
clear all;
close all;
SNRindB1=0:1:10;
for i=1:length(SNRindB1)
  [smld_err_prb(i),smld_per_prb(i)]=ofdmda(SNRindB1(i));	% simulated error rate
end;
 semilogy(SNRindB1,smld_err_prb,'-+r');
 hold on;
 for i=1:length(SNRindB1)
  [smld_err_prb(i)]=qpsk_fading1(SNRindB1(i));	% simulated error rate
 end;
 semilogy(SNRindB1,smld_err_prb,'-ob');