From: On the CFO/Channel estimation technique for MIMO-OFDM systems without using a prior knowledge of channel length
Numbers of flops
Algorithm
( N , N g , L )
(64,16,1)
(64,16,5)
(128,32,1)
(128,32,5)
(256,64,1)
(256,64,5)
Proposed
1.240E8
4.963E8
1.996E9
ML
1.235E8
1.236E8
4.929E8
4.930E8
1.969E9
1.970E9