Safety Assessment of Electromagnetic Environmental Exposure for GPS Antenna of Electric Vehicle

Table 11

Performance comparison among proposed and reported antennas.

Ref.	Return loss, S11	Gain	Bandwidth	Axial ratio (dB)
This work	<−20 dB	6.83 dBi	−10 dB, 28 MHz	<3
[30]	—	3.69 dBi	—	3.1
[31]	<−20 dB	3.5 dBi	ARBW3 dB, 50 MHz	1.9
[32]	<−30 dB	5.94 dBi	−10 dB, 39 MHz	2.5
[33]	—	4.12 dBic	ARBW3 dB, 57 MHz	<3
[34]	<−20 dB	4.25 dBi	−10 dB, 14 MHz	<1