Dual-Band Circularly-Polarized Transparent GNSS Antenna for Vehicular Applications

被引：0
|
作者：
Dang, Quoc Hung [1 ]
Nguyen-Trong, Nghia [2 ]
Kaufmann, Thomas [3 ]
Saarnimo, Timo [4 ]
Hide, Chris [4 ]
Fumeaux, Christophe [1 ,5 ]
机构：
[1] Univ Adelaide, Sch Elect & Mech Engn, Adelaide, SA 5005, Australia
[2] Nextwaves Ind, Singapore, Singapore
[3] FLARM Technol, CH-6300 Zug, Switzerland
[4] U Blox, CH-8800 Thalwil, Switzerland
[5] Univ Queensland, Sch Elect Engn & Comp Sci, Brisbane, Qld 4072, Australia
来源：
IEEE OPEN JOURNAL OF ANTENNAS AND PROPAGATION | 2025年 / 6卷 / 01期
关键词：
Antennas; Dual band; Resonant frequency; Resonance; Global navigation satellite system; Glass; Antenna feeds; Substrates; Microstrip antennas; Scattering parameters; GNSS antennas; metal mesh; optically transparent antennas; vehicular antennas; multi-band antennas; circular polarization; STACKED PATCH ANTENNA; COMPACT;
D O I：
10.1109/OJAP.2024.3487764
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A dual-band circularly-polarized transparent antenna for Global Navigation Satellite System (GNSS) is proposed. The antenna is designed with resonance frequencies centered at 1176 MHz and 1582 MHz, targeting the simultaneous coverage of the L5 and L1 bands. Aiming at integration into the glass sun-roof of a vehicle, the antenna is designed using an unperturbed single-substrate layer, i.e., without any via or probe feed. A fine metal mesh based on printed copper is used to achieve around 90% transparency while maintaining satisfactory antenna gain and radiation efficiency within both operation bands. The phenomenon of frequency shifting observed when converting a solid metal-layer antenna to a metal-mesh antenna is thoroughly analyzed and investigated, to assist in speeding up the antenna optimization. The proposed design is fabricated and measured to validate the design concepts.
引用
收藏
页码：201 / 211
页数：11
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