The Channel Estimation module is optimized for faster execution.

The Channel Estimation module is optimized for faster execution. A summary of speed-ups with respect to the unoptimized code is as follows:

td_pilots	num_sc	tx	rx	% Cycles Reduction
1	12	8	8	10.04
1	12	8	16	11.55
1	24	8	8	10.13
1	24	8	16	10.87
1	24	16	8	7.96
1	24	16	16	8.93
2	12	8	8	18.06
2	12	8	16	20.88
2	24	8	8	18.16
2	24	8	16	21.00
2	24	16	8	16.85
2	24	16	16	20.15
4	12	8	8	18.49
4	12	8	16	20.94
4	24	8	8	18.36
4	24	8	16	20.99
4	24	16	8	16.87
4	24	16	16	19.91