CIRCULARLY POLARIZED ANNUAL RING ANTENNA PERTURBED BY ASYMMETRICAL DEFECTED GROUND STRUCTURES FOR IMPROVED GAIN

被引：2
|
作者：
Pyo, S. [2 ]
Lee, M. -J. [1 ]
Lee, H. -S. [1 ]
Kim, S. -H. [1 ]
Kim, Y. -S. [1 ]
机构：
[1] Korea Univ, Dept Comp & Radio Commun Engn, Seoul 136713, South Korea
[2] Elect & Telecommun Res Inst, Radio Technol Res Dept, Taejon 305700, South Korea
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2011年 / 53卷 / 12期
关键词：
microstrip annual ring antenna; antenna gain; circular polarization; defected ground structure; COMPACT;
D O I：
10.1002/mop.26420
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：
A novel perturbing methodology using asymmetrical defected ground structure (DGS) is proposed for a circularly polarized (CP) annual ring antenna with improved antenna gain. By loading two fairs of half dumbbell-shaped DGS at four diagonal corners of the ring radiator, the orthogonally polarized modes are controlled. Simulated and measured results show that the proposed antenna demonstrates good CP radiations at the resonant frequency. (C) 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2994-2996, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26420
引用
收藏
页码：2994 / 2996
页数：4
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