chuantongdiedai.m

matlab多用户传输仿真

clc
clear
p1=[0.08 0.058 0.0231 0.0032 0.00017]
p2=[0.08 0.045 0.0101 0.00091 0.00003]
p3=[0.08 0.0379 0.00851 0.000752 0.000025]
%p4=[0.08 0.0289 0.00455 0.00028 0.0000092]
p5=[0.08 0.055 0.0286 0.0158 0.00776  0.005121 0.00188   0.0005641 0.0003055 0.00008 0.0000092]
l1=[0    0.2     0.5   0.7    0.9         1      1.2       1.4       1.5     1.7      2 ]
l=[0 0.5 1 1.5 2 ]
figure
semilogy(l,p1,'b-o','linewidth',1.5)
hold on
semilogy(l,p2,'k-s','linewidth',1.5)
hold on
semilogy(l,p3,'m-*','linewidth',1.5)
hold on
%semilogy(l,p4,'r-','linewidth',1.5)
%hold on
semilogy(l1,p5,'k-','linewidth',1.5)
hold on
grid on
xlabel('Eb/N0    (dB)')
ylabel('BER')
legend('迭代一次','迭代二次','迭代三次','单用户检测')