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

Table 4

Sidelobe power in case 3.

Techniques	Sidelobe power in PU locations
	i	iii	v	vii	ix
Original signal	-32 dB	-29 dB	-28 dB	-27 dB	-28 dB
Simple GSC	-130 dB	-132 dB	-134 dB	-135 dB	-136 dB
Brandes-CCs	-40 dB	-42 dB	-43 dB	-44 dB	-45 dB
GA-CCs	-50 dB	-52 dB	-51 dB	-50 dB	-50 dB
DE-CCs	-51 dB	-53 dB	-52 dB	-53 dB	-54 dB
DE-GSC1	-180 dB	-175 dB	-178 dB	-179 dB	-177 dB
DE-GSC2	-160 dB	-158 dB	-161 dB	-160 dB	-157 dB