Design of a compact CPW-fed UHF RFID tag antenna for metallic objects

被引：14

作者：

Um, Youngman ^{[1
]}

Kim, Uisheon ^{[1
]}

Choi, Jaehoon ^{[1
]}

机构：

[1] Hanyang Univ, Dept Elect & Comp Engn, Seoul 133791, South Korea

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2008年 / 50卷 / 05期

关键词：

RFID; tag antenna; metallic objects; CPW-fed;

D O I：

10.1002/mop.23378

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 CPW-fed UHF RFID tag antenna for metallic objects is proposed. It is less sensitive to the size of metallic objects and has a low profile and a long reading distance. The antenna consists of shorting walls, CPW feed line, a tag IC, and a radiating patch with I-shaped slits. The overall dimensions of the antenna are 55 mm x 26 mm x 2.2 mm. The tag IC has an input impedance of 43 - j800 Omega at 915 MHz. When the antenna is mounted on 200 nun x 200 mm, 400 mm x 400 mm, and 600 mm x 600 mm planar metallic plates, the maximum reading distances are 5.1, 5, and 4.5 m, respectively. (C) 2008 Wiley Periodicals, Inc.

引用

页码：1439 / 1443

页数：5