A LOW ELEVATION ANGLE CONICAL BEAM ANTENNA FOR CAPS-BASED VEHICLE MONITORING SYSTEM
Author(s) -
Feng Pang,
Jungang Yin,
Shengming Li,
Junxia Cui,
Yan Zheng,
Chao Hu,
Lihua Ma,
Xiaolan Wang,
Qinghua Chi
Publication year - 2018
Publication title -
progress in electromagnetics research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.245
H-Index - 33
ISSN - 1937-6480
DOI - 10.2528/pierl18012406
Subject(s) - elevation (ballistics) , elevation angle , conical surface , antenna (radio) , beam (structure) , optics , remote sensing , engineering , physics , geology , telecommunications , structural engineering , azimuth , mechanical engineering
A new C-band monopole antenna is proposed for use in a CAPS-based vehicle monitoring system. This monopole antenna has highly omnidirectional main beam with low elevation angle and sufficient half-power beamwidth by using a cone-shaped ground plane. The impedance bandwidth defined by 10 dB return loss is 650 MHz (5.50–6.15 GHz), and the main beam elevation angle and halfpower beamwidth are about 20◦ and 44◦ at the operating frequency 5.885GHz, respectively. The manufactured prototype has survived a long-distance terrestrial test across China, and the design requirements for the satellite link budget, volume, cost, etc. have been reached.
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