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Dual Purpose Near- and Far-Field UHF RFID Coil Antenna With Non-Uniformly Distributed-Turns

Sharma, Ashwani, Garcia Zuazola, Ignacio Julio, Batchelor, John C., Perallos, Asier (2015) Dual Purpose Near- and Far-Field UHF RFID Coil Antenna With Non-Uniformly Distributed-Turns. IEEE Antennas and Wireless Propagation Letters, 14 . pp. 1342-1345. ISSN 1536-1225. (doi:10.1109/LAWP.2015.2405016) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:55899)

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http://dx.doi.org/10.1109/LAWP.2015.2405016

Abstract

An Ultra-High-Frequency (UHF) Radio Frequency IDentification (RFID) coil antenna with Non-uniformly Distributed-Turns and realized using a segmented-line (SL) is proposed. The Segmented-Line Non-uniformly Distributed-Turns Coil (SL-NDTC) uses non-uniformly distributed turns radii that have been optimized for reactive and radiative read performance. This leads to a dual purpose near- and far-field antenna in a single unit. Simulations show a more focused magnetic-field (H-field)distribution in the near field of the SL-NDTC compared to more conventional coils. Single and dual turn designs are compared to

the SL-NDTC antenna to evidence enhanced near- and far-field performance in the latter.

Item Type: Article
DOI/Identification number: 10.1109/LAWP.2015.2405016
Uncontrolled keywords: H-field, loop antenna, near- far-field antenna, radio frequency identification, ultra-high-frequency.
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK7800 Electronics > TK7871.6 Antennas and waveguides
T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK7800 Electronics > TK7871.6 Antennas and waveguides > TK7871.67.M53 Microwave antennas
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: John Batchelor
Date Deposited: 13 Jun 2016 16:54 UTC
Last Modified: 16 Feb 2021 13:35 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/55899 (The current URI for this page, for reference purposes)
Batchelor, John C.: https://orcid.org/0000-0002-5139-5765
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