?? tx_freqd_to_timed.m
字號:
function time_syms = tx_freqd_to_timed(mod_ofdm_syms)
global sim_consts;
num_symbols = size(mod_ofdm_syms, 2)/sim_consts.NumSubc;
resample_patt=[33:64 1:32];
% Convert each antenna's signal to time domain
syms_into_ifft = zeros(64, num_symbols);
syms_into_ifft(sim_consts.UsedSubcIdx,:) = reshape(mod_ofdm_syms, sim_consts.NumSubc, num_symbols);
syms_into_ifft(resample_patt,:) = syms_into_ifft;
% Convert to time domain
ifft_out = ifft(syms_into_ifft);
time_syms = ifft_out(:).';
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