     ofdm_off = cp_len/2;
0166         wf_in = rx_wf( ((idx0+cp_len):(idx0+n_nltf_samp_tot-1)) - ofdm_off,:);
0167         <span class="comment">% TODO: modify ngv_chan_est to support reception of 10 MHz waveforms when in 20 MHz RX mode</span>
0168         h_est = <a href="ngv_chan_est.html" class="code" title="function h_est = ngv_chan_est(r, ofdm_off, n_ss, n_chan, n_nltf_samples)">ngv_chan_est</a>(wf_in, ofdm_off, PHY.n_ss, n_chan_rx, PHY.n_ngvltf_samp);
0169         idx0 = idx0 + n_nltf_samp_tot;
0170  