paper 150208010739

Published: 2015-07-09

A Low-profile Wideband RFID Tag Antenna Attached to Metallic Surfaces

Mei Song Tong,

Mei Song Tong

Tongji University, China

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Guo Chun Wan,

Guo Chun Wan

Tongji University, China

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Jian Zhang,

Jian Zhang

Tongji University, China

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Yunjing Zhang

Soochow University, China

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Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)2854-2857

Abstract

In this paper, a low-profile dipole-type broadband tag antenna is proposed and it can be mounted on metallic objects for UHF RFID systems. The meandering technique, capacitive-tip loading structure, and T-matching network are wisely hybridized to improve the impedance matching and radiation patterns of the RFID tag antenna. For low-cost fabrication, the antenna is etched on a single-layer substrate without a ground plane or shorting pins. The simulated impedance bandwidth of the proposed antenna is 635 MHz (i.e., from 615 MHz to 1250 MHz) which can entirely cover the frequency band of the worldwide UHF RFID (i.e., from 860 MHz to 960 MHz) and the simulated radiation patterns show a good feature.

Citation

Mei Song Tong, Guo Chun Wan, Jian Zhang, and Yunjing Zhang, "A Low-profile Wideband RFID Tag Antenna Attached to Metallic Surfaces," Proceedings of 2015 Photonics & Electromagnetics Research Symposium, Prague, July 6 - 9，Page(s)2854-2857

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