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Finger Worn UHF Far Field RFID Tag Antenna

Taylor, Paul S., Batchelor, John C. (2019) Finger Worn UHF Far Field RFID Tag Antenna. IEEE Antennas and Wireless Propagation Letters, 18 (12). pp. 2513-2517. ISSN 1536-1225. E-ISSN 1548-5757. (doi:10.1109/LAWP.2019.2941731) (KAR id:76588)

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Official URL
http://dx.doi.org10.1109/LAWP.2019.2941731

Abstract

This paper presents the design and measurement of an experimental passive UHF RFID tag worn as a ring with applications particularly in healthcare or secure environments. Three sizes of rings were designed for the European UHF RFID band over two different substrates at varying heights off the skin. Designing effective body mounted antennas for passive RFID is very challenging, particularly when mounted directly upon the skin. The rings were simulated with a commercial electromagnetic simulation software and then constructed and tested on an adult male ring finger over several angles of RF illumination so that read ranges and directivity could be determined. Main beam read distances between 2 and 5m where achieved dependent on the ring substrate height.

Item Type: Article
DOI/Identification number: 10.1109/LAWP.2019.2941731
Projects: [UNSPECIFIED] Passively Powered Non-Invasive Human Body Sensing on Bio- Degradable Conformal Substrates
Uncontrolled keywords: Body worn antennas, healthcare monitoring, magnetic loop, radio frequency identification (RFID), security monitoring, small loop antennas, wearable sensor.
Subjects: T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK7800 Electronics > TK7871.6 Antennas and waveguides
Divisions: Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Depositing User: John Batchelor
Date Deposited: 18 Sep 2019 09:22 UTC
Last Modified: 16 Feb 2021 14:07 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/76588 (The current URI for this page, for reference purposes)
Batchelor, John C.: https://orcid.org/0000-0002-5139-5765
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