BROADBAND UHF RFID TAG ANTENNA WITH PARASITIC PATCHES FOR METALLIC OBJECTS

被引：6

作者：

Lai, MingYin ^{[1
]}

Li, RongLin ^{[1
]}

机构：

[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Guangdong, Peoples R China

来源：

MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2011年 / 53卷 / 07期

关键词：

RFID tag antenna; broadband; metallic objects;

D O I：

10.1002/mop.26049

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 low-profile broadband UHF RFID tag antenna with two parasitic patches is proposed. The tag antenna's bandwidth can be greatly enhanced by adding parasitic patches which are gap coupled to the driven patch for the excitation of additional resonant modes. The half-power bandwidth of the proposed antenna covers all the UHF RFID frequency bands, and the power reflection coefficient is lower than -7dB in the UHF RFID frequency bands (840-960 MHz). The proposed antenna can be easily fabricated at low cost by etching at a thin inexpensive FR4 substrate. (C) 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:1467-1470, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26049

引用

页码：1467 / 1470

页数：5

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