function SNR2
clear
snr_in_dB1=0:1:15;
snr_in_dB2=0:1:15;

for i=1:length(snr_in_dB1)
    [dscdma_no_diversity_ber]=dscdma_no_diversity(snr_in_dB1(i));
    dscdma_no_diversity_ber_prb(i)=dscdma_no_diversity_ber;
end

for i=1:length(snr_in_dB2)
    [dscdma_no_diversity_ber1]=dscdma_no_diversity1(snr_in_dB2(i));
    dscdma_no_diversity_ber1_prb(i)=dscdma_no_diversity_ber1;
end


semilogy(snr_in_dB1,dscdma_no_diversity_ber_prb,'-*r');
hold
semilogy(snr_in_dB2,dscdma_no_diversity_ber1_prb);
%semilogy(snr_in_dB3, dscdma_open_ber_prb,'-ob');
%semilogy(snr_in_dB4, dscdma_no_diversity_ber_prb,'-+');
%semilogy(snr_in_dB5, dscdma_open_ber2_prb,'-.r');

xlabel('SNR(dB)');ylabel('BER');
legend('no_diversity','no_diversity1',0);