Circularly Polarized Antenna Array Fed by Air-Bridge Free CPW-Slotline Network

Table 4

A comparison of the proposed array with other similar arrays.

Antenna array	(GHz)	CP or LP	Bandwidth		Measured max gain (dB)	Size ()
			dB	AR ≤ 3 dB
Our design	5.80	CP	14.74%	6.91%	10.11	2.34
Reference [15]	25.25	CP	13%	12%	10	1.46
Reference [18]	4.07	CP	7.3%	4.4%	12.23	2.98