qinv.m q.m prepare_relay2send.m main.m generate_statistic_structure.m generate_signal_structure.m generate_rx_structure.m generate_relay_structure.m generate_channel_structure.m estimate_channel_SNR.m estimate_channel_BER.m calculate_signal_parameter.m bit2symbol.m ber_2_senders.m ber2snr.m ber.m add_channel_effect.m add2statistic.m symbol2bit.m snr2ber.m show_statistic.m rx_reset.m rx_correct_phaseshift.m rx_combine.m