8     <span class="comment">% f_idx is 24/48 symbols into L-LTF (8/16 symbols before the end of the CP)</span>
0059     <span class="comment">% From now on, idx0 always points to the first sample of the CP in each OFDM symbol</span>
0060     <span class="comment">% This provides more flexibility, e.g. for different NGV-LTF formats</span>
0061     idx0 = f_idx + 128*n_chan_rx + 8*n_chan_rx;
0062     
0063     <span class="comment">% Keep track of the number of symbols since the last channel estimate</span>
0