detector.m

解相关及最小均方误差和传统多用户检测器的比较

%在不同的信噪比条件下误码测试
  snrindb=0:1:8;
  for i=1:length(snr_in_dB),
    
   [err1(i),err(i),err_jxg(i),err_mmse(i)]=mul(snr_in_dB(i));
  
  end;
  %
  %画误码率曲线
  semilogy(snr_in_dB,err1,'bd-');%单用户的误码率曲线
  hold on
  semilogy(snr_in_dB,err,'o-b');%传统多用户的误码率曲线
  hold on
  semilogy(snr_in_dB,err_jxg,'g*-');%解相关多用户的误码率曲线
  hold on 
  semilogy(snr_in_dB,err_mmse,'r+-');%MMSE多用户的误码率曲线
  hold on
  legend('CDMA系统');
  title('CDMA系统下误码率信噪比曲线图');
  xlabel('SNR');
  ylabel('BER');
  grid on