figper2.m

该程序源代码实现了OFDM通信系统性能的仿真

%ofdmda.m
%The default mode of "ofdmda.m" is BER and PER under AWGN environment
t3=[0 3 5 6 7 8 10 ];
ber3=[1.029728e-001 3.710256e-002 1.237821e-002 5.756410e-003 2.299679e-003 7.003205e-004 3.525641e-005 ];
per3=[1.000000e+000 1.000000e+000 1.000000e+000 9.670000e-001 7.670000e-001 3.540000e-001 2.000000e-002 ];
semilogy(t3,per3,'bd:','Markersize',7);
hold on;
grid on;
 %BER and PER performances under fading environment. 
%no compensation
t4=[0 5 10 15 20 25 30 35 40 45 50];
ber4=[4.958317e-001 4.961763e-001 4.984439e-001 4.998189e-001 4.997500e-001 4.997083e-001 4.989696e-001 4.988862e-001 4.990224e-001 4.991683e-001 4.991619e-001];
per4=[1.000000e+000 9.920000e-001 9.330000e-001 8.700000e-001 8.310000e-001 7.990000e-001 7.740000e-001 7.600000e-001 7.550000e-001 7.540000e-001 7.520000e-001];
semilogy(t4,per4,'bd-','Markersize',8);
 %the effect of perfect compensation under fading environment. 
t5=[0 5 10 15 20 25 30  ];
ber5=[1.550192e-001 6.521795e-002 2.155449e-002 6.548077e-003 2.057692e-003 6.586538e-004 9.935897e-005 ];
per5=[9.980000e-001 8.430000e-001 4.180000e-001 1.310000e-001 4.400000e-002 1.200000e-002 4.000000e-003 ];
semilogy(t5,per5,'rd-','Markersize',8);