?? c10_mcqpskber.m
字號:
% File: c10_MCQPSKber.m
%
Eb = 22:0.5:26; No = -50; % Eb (dBm) and No (dBm/Hz)
ChannelAttenuation = 70; % Channel attenuation in dB
EbNodB = (Eb-ChannelAttenuation)-No; % Eb/No in dB
EbNo = 10.^(EbNodB./10); % Eb/No in linear units
BER_T = 0.5*erfc(sqrt(EbNo)); % BER (theoretical)
N = round(100./BER_T); % Symbols to transmit
BER_MC = zeros(size(Eb)); % Initialize BER vector
for k=1:length(Eb) % Main Loop
BER_MC(k) = c10_MCQPSKrun(N(k),Eb(k),No,ChannelAttenuation,0,0,0,0);
disp(['Simulation ',num2str(k*100/length(Eb)),'% Complete']);
end
semilogy(EbNodB,BER_MC,'o',EbNodB,2*BER_T,'-')
xlabel('Eb/No (dB)'); ylabel('Bit Error Rate');
legend('MC BER Estimate','Theoretical BER'); grid;
% End of script file.
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