Synthesis of Thinned Planar Concentric Circular Antenna Arrays Using a Modified Artificial Bee Colony Algorithm

Table 3

Results obtained by different methods with fixed d_c = 0.5λ (interelement arc spacing).

Array	PSLL (dB)	BW (deg)	dc	Switched off elements
Fully array	−17.37	4.5	0.5λ	0
BBO [16]	−26.55	4.6	0.5λ	224
FA [1]	−26.15	4.6	0.5λ	226
SOS [3]	−26.07		0.5λ	236
MABC	−28.81	4.6	0.5λ	236