An annular-ring slot antenna for CP operation

被引：22
|
作者：
Kumar, Ajay [1 ]
Gautam, A. K. [1 ]
Kanaujia, Binod Kr. [2 ]
机构：
[1] GB Pant Engn Coll, Dept Elect & Commun Engn, Pauri Garhwal 246194, Uttarakhand, India
[2] Ambedkar Inst Adv Commun Technol & Res, Dept Elect & Commun Engn, Delhi 110031, India
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2013年 / 55卷 / 06期
关键词：
annular-ring slot antenna; axial ratio; bandwidth; circular polarization; microstrip antenna; RATIO-BANDWIDTH ENHANCEMENT; SQUARE MICROSTRIP ANTENNA; CIRCULAR-POLARIZATION; DESIGN;
D O I：
10.1002/mop.27563
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：
An annular-ring slot antenna with pair of slits and truncated corner for CP operation is proposed. A pair of slits and truncated corners are used to enhance axial ratio bandwidth. The proposed antenna is fabricated and simulated to analyze its radiation characteristics. Simulated results show a good agreement with experimental results. The antenna also shows much larger CP bandwidths than earlier reported results. The measured impedance bandwidth and 3-dB axial ratio bandwidth (ARBW) of the proposed antenna are 94.2 and 73.8%, respectively. The proposed antenna shows consistent return loss and radian pattern for entire frequency band. (c) 2013 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:14181422, 2013; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27563
引用
收藏
页码：1418 / 1422
页数：5
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