A Compact Broad Circularly Polarized Cross-Dipole Antenna with Grounded Parasitic Elements

Table 2

Comparison of the proposed antenna to previously reported antennas.

Ref. antenna	Antenna size (λ0)	−10-dB IBW (%)	3-dB ARBW (%)	CP-BW (%)
[3]	2.06 × 2.06 × 0.13	66.9	55.1	55.1
[4]	1.81 × 1.81 × 0.23	92.8	67.5	67.5
[5]	2.06 × 2.06 × 0.26	57.6	39.0	39.0
[6]	0.44 × 0.44 × 0.14	31.6	23.2	23.2
[7]	0.88 × 0.88 × 0.23	57.0	51.0	51.0
[8]	1.08 × 1.08 × 0.26	85.7	100	74.7
[9]	1.11 × 1.11 × 0.28	99.2	72.7	72.7
[10]	1.12 × 1.12 × 0.24	80.8	59.1	59.1
[11]	1.04 × 1.04 × 0.26	77.6	66.0	66
[12]	1.03 × 1.03 × 0.25	100	52.2	52.2
[14]	1.17 × 1.17 × 0.29	95.0	85.5	85.5
[15]	0.28 × 0.28 × 0.11	115.6	106.1	106.1
[17]	0.46 × 0.46 × 0.10	78.3	63.4	63.4
[18]	0.97 × 0.97 × 0.32	82	68.6	68.6
[19]	1.10 × 1.10 × 0.28	67.5	53.4	53.4
[20]	0.57 × 0.57 × 0.24	79.4	66.7	66.7
[21]	0.71 × 0.71 × 0.35	106	96.6	96.6
[22]	0.40 × 0.40 × 0.17	66.2	47.8	47.8
[23]	1.10 × 1.10 × 0.29	73.3	47.7	47.7
Proposed	1.08 × 1.08 × 0.26	81.2	82.5	74.7

λ₀ is the centre frequency of CP bandwidth.