A Novel Broadband Antenna Design for UHF RFID Tags on Metallic Surface Environments

被引：51

作者：

Hamani, Abdelaziz ^{[1
]}

Yaoub, Mustapha C. E. ^{[2
]}

Tan-Phu Vuong ^{[3
]}

Touhami, Rachida ^{[1
]}

机构：

[1] Univ Sci & Technol Houari Boumediene, Fac Elect & Comp Sci, Lab Instrumentat, Algiers 16111, Algeria

[2] Univ Ottawa, Sch Elect Engn & Comp Sci, Ottawa, ON K1N 6N5, Canada

[3] Univ Grenoble Alpes, IMEP LAHC, F-38000 Grenoble, France

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷

关键词：

Antenna; bandwidth; metallic objects; radio frequency identification (RFID); reading range; ultrahigh frequency (UHF); OBJECT APPLICATIONS;

D O I：

10.1109/LAWP.2016.2557778

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：

In this letter, a novel ultrahigh-frequency radio frequency identification (UHF RFID) tag antenna is proposed. Suitable for metallic objects, this broadband antenna can cover the three major UHF RFID bands. A modified folded dipole and a meander bar have been implemented on the upper substrate, while the second substrate is a double face with parallel bars printed on the top face and a metal plane on the bottom to isolate the antenna from metallic surfaces. The bars are used as parasitic elements to excite multiresonant modes and enhance the antenna bandwidth. To improve the gain of the antenna, the two substrates have been speared by an air layer. Furthermore, the proposed design is cost-effective since it does not require metallic vias. Mounted on a metallic plate of 300x250 mm(2), the proposed antenna covers the targeted UHF RFID bands with a return loss better than 10 dB and a maximum outdoor measured reading range of 14.6 m at 905 MHz.

引用

页码：91 / 94

页数：4

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