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

Table 2

Sidelobe power in case 1.

Techniques	Sidelobe power in PU locations
	i	iii
Original signal	-28 dB	-27 dB
Simple GSC	-132 dB	-131 dB
Brandes-CCs	-48 dB	-48 dB
GA-CCs	-56 dB	-55 dB
DE-CCs	-64 dB	-66 dB
DE-GSC1	-175 dB	-173 dB
DE-GSC2	-153 dB	-155 dB