BROADBAND UNIDIRECTIONAL PRINTED ANTENNA WITH QUAD-FOLDED DIPOLES FOR CIRCULAR POLARIZATION

被引：6

作者：

Ding, Xiaoxiang ^{[1
]}

Zhao, Zhiqin ^{[1
]}

Yang, Yaohui ^{[1
]}

Zhou, Lin ^{[1
]}

Ouyang, Jun ^{[1
]}

Liu, Qing-Huo ^{[2
]}

机构：

[1] UESTC, Sch Elect Engn, Dept Microwave Engn, Chengdu 611731, Peoples R China

[2] Duke Univ, Dept Elect & Comp Engn, Durham, NC 27708 USA

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2015年 / 57卷 / 12期

基金：

中国国家自然科学基金;

关键词：

broadband; printed antenna; circularly polarized; quad-folded dipoles; WIDE-BAND; PATCH ANTENNA; RADIATION; DESIGN; FEED;

D O I：

10.1002/mop.29465

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 article, a broadband unidirectional printed antenna with quad-folded dipoles for circularly polarized radiation is proposed. The antenna consists of a trapezoidal feed structure, an annular transmission line and quad-folded dipoles. An 80 x 80 mm(2) reflector is used to achieve unidirectional radiation. Measured results indicate that the proposed design achieves an impedance bandwidth of 37.1% (1.82-2.65 GHz) for the voltage standing wave ratio <2.0 and a 3 dB axial ratio bandwidth of 35% (1.84-2.62 GHz), covering the third-generation (3G, 1880-2125 MHz)/long-term evaluation (1880-2400 MHz)/wireless local area network (2400-2480 MHz) bands. An average gain of 6.3 dBic is obtained in the operating band. (C) 2015 Wiley Periodicals, Inc.

引用

页码：2871 / 2876

页数：7

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