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

Table 3

Sidelobe power in case 2.

Techniques	Sidelobe power in PU locations
	i	iii	v	vii	ix
Original signal	-26 dB	-23 dB	-23 dB	-26 dB	-26 dB
Simple GSC	-130 dB	-135 dB	-136 dB	-136 dB	-136 dB
CC-Brandes	-48 dB	-49 dB	-49 dB	-49 dB	-49 dB
CC-GA	-56 dB	-54 dB	-51 dB	-50 dB	-50 dB
CC-DE	-64 dB	-65 dB	-65 dB	-65 dB	-65 dB
DE-GSC1	-170 dB	-168 dB	-164 dB	-162 dB	-163 dB
DE-GSC2	-155 dB	-165 dB	-162 dB	-155 dB	-162 dB