main_almoudi.m

Branka Vucetic,Jinhong Yuan著的空时编码技术一书的源程序

%frame length = 130 symbols
fr_length=130;

%SNR upto 20 dBs
EbNo=[0:2:30];

%N, M: number of transmit and receive antennas

no_tx_antennas=2;
no_rx_antennas=1;
channel_model='Rayleigh';
Num=100;
modulation='BPSK ';
[FER FER_uncoded SER SER_uncoded BER BER_uncoded]=stbc21(channel_model,fr_length,Num,no_tx_antennas,no_rx_antennas,modulation)
figure;
semilogy(EbNo,BER,'-*')
hold on
no_tx_antennas=1;
no_rx_antennas=2;
[FER FER_uncoded SER SER_uncoded BER BER_uncoded]=stbc12(channel_model,fr_length,Num,no_tx_antennas,no_rx_antennas,modulation)
semilogy(EbNo,BER,'-+')
hold on 
no_tx_antennas=2;
no_rx_antennas=2;
[FER FER_uncoded SER SER_uncoded BER BER_uncoded]=stbc22(channel_model,fr_length,Num,no_tx_antennas,no_rx_antennas,modulation)
semilogy(EbNo,BER,'-o')
hold on 
no_tx_antennas=1;
no_rx_antennas=4;
[FER FER_uncoded SER SER_uncoded BER BER_uncoded]=stbc14(channel_model,fr_length,Num,no_tx_antennas,no_rx_antennas,modulation)
semilogy(EbNo,BER,'-<')
hold on
BER=10.^(-0.10*EbNo);
BER(1)=10^(-0.3);
BER(2)=10^(-0.4);
BER(3)=10^(-0.5);
semilogy(EbNo,BER,'--')
hold off
xlabel('SNR [dB]')
ylabel('BER')
legend('Alamouti(2T x 1Rx)','MRC(1T x 2Rx)','Alamouti(2T x 2Rx)','MRC(1T x 4Rx)','no diversity',1)
grid on