figper3.m

该程序源代码实现了OFDM通信系统性能的仿真

% %BER & PER performances under AWGN and fading environments
% % The default mode of "ofdmda.m" is BER and PER under AWGN environment
t6=[0 3 5 8 9 10 12 13];
ber6=[1.205785e-001 4.843429e-002 1.852724e-002 1.623397e-003 5.256410e-004 9.455128e-005 1.602564e-006 0.000000e+000];
per6=[1.000000e+000 1.000000e+000 1.000000e+000 6.390000e-001 2.850000e-001 5.500000e-002 1.000000e-003 0.000000e+000];
semilogy(t6,per6,'bd:','Markersize',7);
hold on;
grid on;
% % BER and PER performances under fading environment
t7=[0 5 10 15 20 25 30 35 40 45 50];
ber7=[4.962869e-001 4.959135e-001 4.981234e-001 4.997131e-001 4.996394e-001 4.993349e-001 4.993029e-001 4.988494e-001 4.990913e-001 4.993734e-001 4.993670e-001];
per7=[1.000000e+000 9.930000e-001 9.390000e-001 8.720000e-001 8.360000e-001 8.010000e-001 7.750000e-001 7.620000e-001 7.550000e-001 7.540000e-001 7.520000e-001];
semilogy(t7,per7,'mp-','Markersize',8);
%  perfect compensation under fading environment
t8=[0 10 20 30 33 35 36 37];
ber8=[1.701731e-001 2.480128e-002 2.325321e-003 1.554487e-004 2.564103e-005 6.410256e-006 3.205128e-006 0.000000e+000];
per8=[1.000000e+000 4.580000e-001 5.100000e-002 6.000000e-003 4.000000e-003 3.000000e-003 1.000000e-003 0.000000e+000];
semilogy(t8,per8,'k.-','Markersize',20);
%  the effect of CE-symbol under fading environment
t9=[0 10 20 30 40 45 46];
ber9=[2.657131e-001 5.004647e-002 4.653846e-003 4.839744e-004 1.282051e-005 4.807692e-006 0.000000e+000];
per9=[1.000000e+000 6.750000e-001 8.100000e-002 8.000000e-003 2.000000e-003 1.000000e-003 0.000000e+000];
semilogy(t9,per9,'r.-','Markersize',20);