Bit Error Rate (BER) and Outage Probability (Pout) Vs Received Power

Hi Everyone;

The results shown in the attached figures are wrong, where the results seems inversely. Are there anyone can help me to diagnose this problem.

The code for simulated BER:

for ii=1:length(EbN0)
Sig_out=awgn(PPM,EsN0(ii),'measured');  %Output Signal From The Transmitter
Rx_PPM_th=zeros(1,L);
Rx_PPM_th(Sig_out>0.5)=1;
[nerr(ii), ber(ii)]= biterr(Rx_PPM_th,PPM);  %Simulated Bit Error Rate
end

The code for theoritical BER:

Psle_ppm=qfunc(sqrt(EsN0/2));      %Probability of Slot Error
Psye_ppm=1-(1-Psle_ppm).^L;        %Probability of Symbole Error
Pbe_ppm=((L/2)./(L-1))*Psye_ppm;    %Probability of Bit Error

[Rik]

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