Dual-Band Operation of a Circularly Polarized Four-Arm Curl Antenna with Asymmetric Arm Length

Table 1

Performance comparison of dual-band multiarm curl antennas.

Antenna structure	Overall size (mm^3)	Arm number	|| BW (GHz)	AR BW (GHz)	Gain (dBic)	RE (%)
Proposed	90 × 90 × 30	4	1.217–1.234	1.220–1.230	6.0	87.0
			1.495–1.595	1.570–1.605	7.0	95.0
Ref. [15]	100 × 100 × 30	8	1.221–1.282	1.212–1.240	7.3	88.4
			1.545–1.660	1.560–1.590	7.5	92.0