A novel wideband planar quasi-yagi antenna loading with parasitical patches and multiple reflectors

被引：3

作者：

Meng, Linglong ^{[1
]}

Wang, Weimin ^{[1
]}

Ji, Rui ^{[1
]}

Gao, Jinchun ^{[1
]}

Liu, Yuanan ^{[1
]}

机构：

[1] Beijing Univ Posts & Telecommun, Beijing Key Lab Work Safety Intelligent Monitorin, Sch Elect Engn, Beijing 100876, Peoples R China

来源：

IEICE ELECTRONICS EXPRESS | 2017年 / 14卷 / 16期

基金：

中国国家自然科学基金;

关键词：

wideband; end-fire; gain; parasitic strip; monopole antenna; coupling; HIGH-GAIN;

D O I：

10.1587/elex.14.20170681

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：

In this paper, a novel wideband microstrip-fed quasi-Yagi antenna is presented. The proposed quasi-Yagi antenna consists of a microstrip-fed monopole, three radiating patches (two square patches and a rectangular patch), and three parasitic strip elements as the function of reflector. In order to achieve wide bandwidth, two parasitical patches are etched on both sides of the substrate. Furthermore, the stepped microstrip feeding line is adopted so as to get a good impedance matching. A fabricated prototype with the dimensions of 40mm x 55.5mm yields a directional far-field radiation pattern with no director, a - 10 dB bandwidth (2.21-5.4 GHz) of 83.8% and a peak radiation gain of 4.17 dBi. Finally, the proposed antenna is analyzed, fabricated and measured. Measured and simulated results are in good agreement.

引用

页数：9

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