✦ LIBER ✦

Planar loop tag antenna with bandwidth enhancement for UHF RFID system

✍ Scribed by Jui-Han Lu; Jr-Ying Su

Publisher: John Wiley and Sons
Year: 2011
Tongue: English
Weight: 844 KB
Volume: 53
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.26361

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✦ Synopsis

Abstract

A novel planar loop tag antenna mounted on the plastic pallets for ultra‐high frequency (UHF) radio frequency identification (RFID) system is proposed. By insetting the U‐shaped slot and a pair of rectangular parasitic strips into the proposed loop tag antenna, the resonant mode close to ultra‐high frequency (UHF) 900‐MHz band is excited to enhance the operating bandwidth. The obtained impedance bandwidth across the operating band can reach about 174 MHz (18.8%) for UHF band. Also, with bidirectional pattern, the measured reading distance is about 2.0 m as the proposed loop tag antenna mounted on the plastic pallets. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:2711–2713, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26361

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