snr.m

CDMA多用户检测程序

%本程序为计算不同信噪比下三种检测器的误码率
%信噪比分别为从1到10
%function [P,Q,R]=SNR(usernum,gain,information)
clc;
clear;
usernum = 5;
gain = 30;
num = 2000;
for m=1:8
    p(1,m)=lmd(usernum,gain,num,m);%调用子程序计算传统检测器误码率
    q(1,m)=fod(usernum,gain,num,m);%调用子程序计算解相关检测器误码率
    r(1,m)=tod(usernum,gain,num,m);%调用子程序计算最优检测器误码率
    k(1,m)=csd(usernum,gain,num,m);
end

x=1:8;
semilogy(x,p(1,:),'*-r',x,q(1,:),'-.b',x,r(1,:),'+-b',x,k(1,:),'k');
legend('线性解相关','一对角分解','三对角分解','传统检测');
xlabel('信噪比','FontSize',12);
ylabel('误码率','FontSize',12);