DESIGN OF A CIRCULARLY POLARIZED RECTANGULAR MICROSTRIP ANTENNA FOR GPS APPLICATIONS

被引：4

作者：

Nishamol, M. S. ^{[1
]}

Sarin, V. P. ^{[1
]}

Tony, D. ^{[1
]}

Aanandan, C. K. ^{[1
]}

Mohanan, P. ^{[1
]}

Vasudevan, Kesavath ^{[1
]}

机构：

[1] Cochin Univ Sci & Technol, Dept Elect, Kochi 682022, Kerala, India

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2011年 / 53卷 / 02期

关键词：

axial ratio; circular polarization; GPS; microstrip antenna;

D O I：

10.1002/mop.25706

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 compact design of a single feed microstrip antenna for circular polarization (CP) is proposed and studied. CP is brought about by embedding a slot in a cross shaped patch. The structure. enables an area reduction of 46% as compared to conventional rectangular microstrip antenna. The antenna offers a 2:1 VSWR bandwidth from 1.53 to 1.61 GHz on a substrate of dielectric constant 4.4 and height 1.6 mm with a broadside radiation characteristic in the entire band. The 3 dB axial ratio bandwidth of the antenna is 5% with moderate gain that covers global positioning system (GPS) L1 band. Simulation and experimental results of the antenna are presented and discussed. (C) 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:468-470, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25706

引用

页码：468 / 470

页数：3

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