Low-Profile Meandered Patch Antennas for RFID Tags Mountable on Metallic Objects

被引：33
|
作者：
Chen, Horng-Dean [1 ]
Tsao, Yu-Hung [1 ]
机构：
[1] Natl Kaohsiung Normal Univ, Dept Optoelect & Commun Engn, Kaohsiung, Taiwan
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2010年 / 9卷
关键词：
Patch antenna; radio frequency identification (RFID); tag antenna; DESIGN;
D O I：
10.1109/LAWP.2010.2043711
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 letter presents novel meandered patch antennas that are designed for ultrahigh frequency (UHF) band radio frequency identification (RFID) tags mountable on metallic objects. The antenna has a low-profile structure (0.8 mm thick). Meandering a long patch into several half-wavelength radiating elements makes the surface currents of all radiating elements in phase, thus achieving an enhanced antenna gain and a good reading range performance. In addition, the proposed antennas mounted on a 400 x 400 mm(2) metal plate are studied. Little effect of the metal-plate size on the reading range is obtained.
引用
收藏
页码：118 / 121
页数：4
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