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

Table 5

Sidelobe power in case 4.

Techniques	Sidelobe power in PU locations
	i	iii	v	vii	ix
Original signal	-26 dB	-25 dB	-24 dB	-25 dB	-26 dB
Simple GSC	-136 dB	-137 dB	-138 dB	-133 dB	-137 dB
Brandes-CCs	-48 dB	-48 dB	-47 dB	-46 dB	-48 dB
GA-CCs	-56 dB	-54 dB	-53B	-53 dB	-53 dB
DE-CCs	-64 dB	-65 dB	-62 dB	-64 dB	-66 dB
DE-GSC1	-178 dB	-177 dB	-176 dB	-175 dB	-176 dB
DE-GSC2	-165 dB	-163 dB	-165 dB	-166 dB	-164 dB