[Retracted] Sidelobe Reduction in NC-OFDM-Based CRNs Using Differential Evolution-Assisted Generalized Sidelobe Canceller

Table 1

Simulation parameters.

Parameter	Case 1	Case 2	Case 3	Case 4	Case 5
Hole availability	One	Four holes with equal SU and PU regions	Four holes with equal SUs regions	Four holes with equal PU regions	Four holes with unequal PUs and SUs regions
Population size	100	100	100	100	100
Iterations	800	800	800	800	800
Scaling factor	0.2	0.2	0.2	0.2	0.2
Subcarriers in each hole	16	16	16	35, 15, 40, 20	45, 20, 25, 30
Extra subcarriers in the CC technique	2	2	2	2	2