Cross-slot coupled elliptical patch antenna circularly polarized for localization

被引：2

作者：

Ghiotto, Anthony ^{[1
]}

Bourry, Mathieu

Wu, Ke

机构：

[1] ESISAR, LCIS, INPGrenoble, Valence, France

[2] Univ Quebec Montreal, Dept Informat, Montreal, PQ, Canada

[3] Poly GRAMES Res Ctr, Montreal, PQ, Canada

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2007年 / 49卷 / 02期

关键词：

circular polarization; cross slot; antenna;

D O I：

10.1002/mop.22136

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：

This paper reports a circularly polarized cross-slot coupled elliptical patch antenna for implementation in a new radio-frequency identification and localization system currently under development. The radio-frequency localization system in this work is composed of a reader and a semiactive tag (a battery feeds the tag to increase its reading range but the backscattering modulation principle is used to decrease its power consumption). The overall system is designed in the ISM frequency band of 5.8 GHz. This frequency band is a good compromise that permits a large bandwidth and a good range for use in a local positioning system (similar to 10 m). This antenna is to be used by the reader as its radiation pattern is semispherical. It provides the circular polarization required by the targeted application to allow the tag identification within an. physical position. The antenna bandwidth and axial ratio were enhanced Using a proper design and a cross-slot feeding of the patch. (c) 2006 Wiley Periodicals. Inc.

引用

页码：336 / 339

页数：4

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