sim_ofdm.m

OFDM信道估计(梳状导频)

%sim OFDM
clear;
snr_vec=[0:5:25];
ber_dbpsk_vec=zeros(1,length(snr_vec));
ber_bpsk_ideal_vec=zeros(1,length(snr_vec));
ber_bpsk_vec=zeros(1,length(snr_vec));
for ii=1:length(snr_vec)
    snr=snr_vec(ii);
    sim('ofdm_test.mdl');
    ber_dbpsk_vec(ii)=ber_dbpsk;
    ber_bpsk_ideal_vec(ii)=ber_bpsk_ideal;
    ber_bpsk_vec(ii)=ber_bpsk;
end
%figure;
hold on;
semilogy(snr_vec,ber_dbpsk_vec,'-o');
semilogy(snr_vec,ber_bpsk_ideal_vec,'-s');
semilogy(snr_vec,ber_bpsk_vec,'-v');
grid on;
%legend('DBPSK','BPSK Ideal','BPSK  no-ideal');
clc