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

Table 6

Sidelobe power in case 5.

Techniques	Sidelobe power in PU locations
	i	iii	v	vii	ix
Original signal	-24 dB	-26 dB	-23 dB	-26 dB	-26 dB
Simple GSC	-136 dB	-135 dB	-136 dB	-130 dB	-133 dB
Brandes-CCs	-48 dB	-47 dB	-45 dB	-47 dB	-49 dB
GA-CCs	-52 dB	-50 dB	-51 dB	-50 dB	-50 dB
DE-CCs	-66 dB	-65 dB	-67 dB	-66 dB	-64 dB
DE-GSC1	-179 dB	-178 dB	-176 dB	-172 dB	-173 dB
DE-GSC2	-160 dB	-161 dB	-162 dB	-159 dB	-162 dB