Meng, L; Qian, S; Huang, Z; Li, Y; Loh, T H (2023) A Circularly Polarized Antenna with a Loading Metal Strip for GPS L1 band. In: 2023 International Applied Computational Electromagnetics Society Symposium (ACES), 26-30 March 2023, Monterey, CA, USA.

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Abstract

The paper presents a novel circular polarization (CP) antenna loading with a parasitic ring metal strip, which is designed for global positioning system (GPS) L1 band applications. The antenna consists of a defected ground plane with four arc-slots and a circular slot, a dielectric substrate, a parasitic ring metal strip, and a radiating patch (RP) with a arc-slot. By rotating the parasitic ring metal strip to opening slot on the RP, the antenna can be transformed from left-handed circular polarization (LHCP) to right-handed circular polarization (RHCP). The size of the antenna can be reduced by using slots on the ground. The simulation and optimization results show that impedance bandwidth of the L/RHCP antenna is over 100 MHz, and the axial ratio bandwidth is over 20 MHz.

Item Type:	Conference or Workshop Item (Paper)
Subjects:	Electromagnetics > Wireless Communications
Divisions:	Electromagnetic & Electrochemical Technologies
Identification number/DOI:	10.23919/ACES57841.2023.10114717
Last Modified:	30 Aug 2023 13:33
URI:	https://eprintspublications.npl.co.uk/id/eprint/9805