A Novel Low Axis Ratio Double-Circularly Polarized Microstrip Antenna

Table 2

Comparison of CP antennas.

Ref.				Size	Gain (dBi)	P
[8]	2.390	7.95	0.33	0.44 × 0.48 × 0.024	5.3	LHCP
	2.475		0.72	0.28 × 0.39 × 0.024	5.7	RHCP
[9]	30	6.75	8.00	3.5 × 2.8 × 0.051	11.81	Dual
[10]	3.99	59	40.5	0.63 × 0.63 × 0.016	3.27	Dual
Proposed	4.5	13.7	12.0	0.77 × 0.77 × 0.208	5.7	LHCP
		15.0	11.0		6.2	RHCP