A Compact CPW-Fed Low-Profile Wideband Circularly Polarized Slot Antenna with a Planar Ring Reflector for GNSS Applications

Table 2

Comparison of the antenna size and performance between this work and other recently published works.

Ref. no	Height (λ0)	Area (λ0^2)	IBW (%)	RVB1 (×10^−2)	ARBW (%)	RVB2 (×10^−2)
[4]	0.13	0.45 × 0.45	43.8	6.01	42.6	6.18
[5]	0.042	0.88 × 0.88	8.52	38.17	7	46.4
[6]	0.096	0.6 × 0.6	40.0	8.64	34.0	10.15
[7]	0.09	0.7 × 0.8	97.8	5.15	83.8	6.02
[15]	0.076	0.44 × 0.44	33.5	4.39	27.2	5.41
[16]	0.22	0.54 × 0.54	52.6	12.2	34.4	18.6
[17]	0.22	0.85 × 0.85	109.6	14.6	60.9	26.3
This work	0.033	0.3 × 0.3	41.8	0.83	7.1	4.9

Height = total profile height; area = area of the reflector; IBW = −10 dB |S₁₁| relative BW; RVBR1 = ratio of antenna volume size to relative bandwidth of the |S₁₁|; ARBW = 3 dB AR relative BW; RVB2 = ratio of antenna volume size to relative bandwidth of the AR.