user.m

CDMA多用户检测程序

clc;
clear;
snr = 5;
num = 500;
gain = 20;
N=10;
for m = 2:N;
    p(1,m) = lmd(m,gain,num,snr);%调用子程序计算接相关误码率
    q(1,m) = fod(m,gain,num,snr);%调用子程序计算一对角误码率
    r(1,m) = tod(m,gain,num,snr);%调用子程序计算三对角误码率
    k(1,m) = csd(m,gain,num,snr);%调用子程序计算传统检测误码率
end

x=1:N;
% semilogy(x,p(1,:),'*-r',x,q(1,:),'-.g',x,r(1,:),'+-b',x,k(1,:),'k');
semilogy(x,p(1,:));
legend('线性解相关','一对角','三对角','传统检测');
xlabel('用户数','FontSize',12);
ylabel('误码率','FontSize',12);