mai_fec.m

来自「自适应滤波原理_西蒙.赫金_Matlab_源代码 希望能够对学习自适应滤波技术」· M 代码 · 共 36 行

%----------------------------------------------------------------------
% Degradation due to multiple access interference with and without
% FEC coding.
%----------------------------------------------------------------------

loading = [0:0.1:1];
temp = [loading'];

EbNo = 10^(6.79/10);  % for uncoded BER of 1E-3
Dg = 10*log10( 1+loading*EbNo)
plot(loading,Dg)
hold on
temp = [temp Dg'];

EbNo = 10^(9.59/10);  % for uncoded BER of 1E-5
Dg = 10*log10( 1+loading*EbNo)
plot(loading,Dg)
temp = [temp Dg'];

EbNo = 10^(3.0/10);  % for coded BER of 1E-3
Dg = 10*log10( 1+loading*EbNo)
plot(loading,Dg,'g')
temp = [temp Dg'];

EbNo = 10^(4.5/10);  % for coded BER of 1E-5
Dg = 10*log10( 1+loading*EbNo)
plot(loading,Dg,'g')
temp = [temp Dg'];

hold off
grid on
xlabel('Loading (K/Q)')
ylabel('Degradation (dB)')