receive.m

多径信道下的ofdm仿真系统

function  timesignalrv_to_freq=receive(timesignalrv,ifftnum,carriers,guardtime)
%remove cyclic prefix
parameterinit;
 timesignalrv=timesignalrv(guardtime+1:ifftnum+guardtime,:); 
%time to freq
 timesignalrv_to_freq=fft(timesignalrv,ifftnum);
 timesignalrv_to_freq=timesignalrv_to_freq(carriers);