车用双频圆极化透明GNSS天线

IF 3.6 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Open Journal of Antennas and Propagation Pub Date : 2024-10-29 DOI:10.1109/OJAP.2024.3487764

Quoc Hung Dang;Nghia Nguyen-Trong;Thomas Kaufmann;Timo Saarnimo;Chris Hide;Christophe Fumeaux

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引用次数: 0

摘要

提出了一种用于全球卫星导航系统（GNSS）的双频圆极化透明天线。天线的谐振频率设计以1176 MHz和1582 MHz为中心，目标是同时覆盖L5和L1频段。为了集成到车辆的玻璃天窗中，天线采用无扰动的单基板层设计，即没有任何通孔或探针馈电。使用基于印刷铜的精细金属网来实现约90%的透明度，同时在两个操作波段内保持令人满意的天线增益和辐射效率。对固体金属层天线转换为金属网状天线时所观察到的频移现象进行了深入的分析和研究，有助于加快天线优化速度。提出的设计是制作和测量，以验证设计概念。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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

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.

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来源期刊

IEEE Open Journal of Antennas and Propagation Multiple-

CiteScore

6.50

自引率

12.50%

发文量

审稿时长

8 weeks