EGC MRC SC 信号多信道下的传播，多种接收方式，实现信号接收matlab实现.zip

clc clear all close all SNRindB=-10:2:10; length_of_sequence=10000; sigma2=0.5; % %%%%%%MRC最大比值合并方式 for n=1:length(SNRindB) pe1(n)=diversity_MRC_Errorrate(SNRindB(n),1,sigma2,length_of_sequence); pe2(n)=diversity_MRC_Errorrate(SNRindB(n),2,sigma2,length_of_sequence); pe3(n)=diversity_MRC_Errorrate(SNRindB(n),3,sigma2,length_of_sequence); pe4(n)=diversity_MRC_Errorrate(SNRindB(n),4,sigma2,length_of_sequence); pe5(n)=diversity_MRC_Errorrate(SNRindB(n),5,sigma2,length_of_sequence); end; figure(2) semilogy(SNRindB,pe1,'k-square')%,grid on hold on axis square semilogy(SNRindB,pe2,'b-diamond')%,grid on hold on semilogy(SNRindB,pe3,'r-<')%,grid on hold on semilogy(SNRindB,pe4,'g->')%,grid on hold on semilogy(SNRindB,pe5,'k-pentagram')%,grid on legend('\fontsize{18} L=1','\fontsize{18} L=2',... '\fontsize{18} L=3','\fontsize{18} L=4','\fontsize{18} L=5') title('\fontsize{18} \sigma^2=0.5') xlabel('\fontsize{18} \gamma_b/dB'),ylabel('\fontsize{18} BPSK-BER for MRC') h = gca; set(h, 'Fontsize', 18); %legend('\fontsize{18} SC','\fontsize{18} MRC',... %'\fontsize{18} EGC') %title('\fontsize{18} \sigma^2=0.5 L=3') %xlabel('\fontsize{18} \gamma_b/dB'),ylabel('\fontsize{18} BPSK-BER for %MRC') %h = gca; %set(h, 'Fontsize', 18); clc clear all SNRindB=-10:2:10; length_of_sequence=10000; sigma2=0.5; %%%%%%多路径对比%%% for n=1:length(SNRindB) pe1(n)=diversity_SC_Errorrate(SNRindB(n),3,sigma2,length_of_sequence); pe2(n)=diversity_MRC_Errorrate(SNRindB(n),3,sigma2,length_of_sequence); pe3(n)=diversity_EGC_Errorrate(SNRindB(n),3,sigma2,length_of_sequence); end; figure(1) semilogy(SNRindB,pe1,'b-square')%,grid on hold on axis square semilogy(SNRindB,pe2,'g-diamond')%,grid on hold on semilogy(SNRindB,pe3,'r-<')%,grid on hold on legend('\fontsize{18} SC','\fontsize{18} MRC',... '\fontsize{18} EGC') title('\fontsize{18} \sigma^2=0.5 L=3') xlabel('\fontsize{18} \gamma_b/dB'),ylabel('\fontsize{18} BPSK-BER for SC/MRC/EGC') h = gca; set(h, 'Fontsize', 18);