A Novel Planar Broadband End-Fire Antenna with High Front-to-Back Ratio

被引：0
|
作者：
Zhu Y. [1 ]
Chen H. [1 ]
Li L. [1 ]
Zhang J. [1 ]
Yan Y. [1 ]
Xue M. [1 ]
Wang Q. [1 ]
Fang Q. [1 ]
机构：
[1] Kunming University of Science and Technology, Kunming
来源：
Progress in Electromagnetics Research Letters | 2023年 / 109卷
关键词：
Dielectric materials - Directional patterns (antenna) - Electric impedance - Microwave antennas;
D O I：
10.2528/PIERL22122604
中图分类号：
学科分类号：
摘要：
In this paper, a high front-to-back ratio (FTBR), broad bandwidth planar printing structure and electromagnetic dipole complementary antenna that generates end-fire radiation pattern is investigated. The antenna consists of a segmented loop, planar electric dipole, and microstrip coupling feed structure, which are printed on the top and bottom surfaces of a dielectric substrate. The segmented loop is equivalent to a magnetic dipole. A high front-to-back ratio is achieved by combining the electric dipole and equivalent magnetic dipole with the same radiation intensity and antiphase. The proposed antenna is fabricated and measured. The measured results show that the proposed antenna achieves an impedance bandwidth of 48.05% (1.66 GHz–2.71 GHz). The largest gain can get to 3.89 dBi, and the maximum front-to-back ratio is 25.4 dB in the frequency band. The measured results are well consistent with simulated ones. © 2023, Electromagnetics Academy. All rights reserved.
引用
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页码：85 / 92
页数：7
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