ber_2_senders.m

放大转发协同通信的有关仿真代码

function y = ber_2_senders(SNR_avg, modulation_type);
% BER(SNR) using two senders. The (average) SNR is assumed to be
% equal for both channel
switch modulation_type
case 'BPSK'
mu = sqrt(SNR_avg ./ (1 / 2 + SNR_avg));
case 'QPSK'
mu = sqrt(SNR_avg ./ (1 + SNR_avg));
otherwise
error(['Modulation-type unknown: ', modulation_type])
end
y = 1 / 4 * (1 - mu) .^ 2 .* (2 + mu);