Design and Analysis of a Low-Profile Dual-Band Circularly Polarized Monopole Antenna Based on Characteristic Mode Analysis

Table 2

Comparison between referenced antenna and proposed antenna.

Reference	Overlapped lower band (GHz) %	Overlapped upper band (GHz) %	Overall size (mm^3)	Gain (dBi)
[3]	0.902–0.928, 2.84	2.40–2.48, 3.28		-0.60, 1.2
[5]	1.236–1.286, 4.2	1.532–1.572, 2.6		3.4, 2.9
[8]	2.27–2.52, 10.5	5.14–5.47, 6.56		2.4, 2.8
[9]	2.39-2.43, 1.66	5.06-5.70, 11.9		2.0, 4.5
[10]	1.538–1.603, 4.14	2.28–2.384, 4.59		4.3
[11]	2.2–2.9, 27.45	3.40–3.65, 7.1		2.5
[12]	2.39–2.57, 7.3	5.213–6.0, 16		2.48, 3.09
[13]	2.096–2.105, 0.4	3.59–3.61, 0.6		8.4, 9.9
[14]	1.47–1.61, 9	1.87–2.09, 11		4.0
[15]	1.17–2.5, 72.5	3.52–6.26, 56		4.0, 3.05
[16]	2.48–2.56, 4.76	3.48–3.63, 4.21		6.52, 7.04
Proposed	5.62–5.95, 6	6.65–8.82, 28		1.7, 1.9