A Compact and Wideband Dashboard Antenna for Vehicular LTE/5G Wireless Communications

被引:6
|
作者
Michel, Andrea [1 ]
Singh, Rajesh Kumar [2 ]
Nepa, Paolo [1 ]
机构
[1] Univ Pisa, Dept Informat Engn, I-56122 Pisa, Italy
[2] Def Inst Adv Technol DIAT, Pune 411025, Maharashtra, India
关键词
3D antenna; automotive antenna; vehicular wireless communications; Long-Term Evolution; monopole antenna; wideband antennas; dashboard antenna; 5G; DESIGN;
D O I
10.3390/electronics11131923
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A wideband, low-profile, 3D automotive antenna for Long-Term Evolution (LTE) and 5G applications is presented in this paper. Different from other cellular antennas typically placed under the shark-fin cover or inside a car's plastic spoiler, the proposed antenna is designed to be integrated inside the vehicle's dashboard. The 35.5 x 40 x 45 mm(3) antenna is compact, lightweight and robust. At the same time, this antenna is capable of operating from 670 up to 5000 MHz, covering the entire LTE/5G band (overall fractional bandwidth of 198%). A shunt stub was introduced between the monopole and ground plane to achieve a low LTE band and provide mechanical robustness for the proposed structure. Simulated performance in terms of reflection coefficient, radiation pattern and realized gain is described, showing a good agreement with the measurement results. Specifically, the antenna has a gain higher than -1 dBi at the low-frequency band (i.e., below 1 GHz) and higher than 3 dBi at the upper-frequency band (i.e., above 1.7 GHz). As per requirements, the ground plane size and layout can be properly chosen to fit the antenna into the available volume as well as to optimize the antenna's performance.
引用
收藏
页数:11
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