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Miniature on skin passive UHF RFID antenna sticker

Makarovaite, V., Hillier, A., Holder, S.J., Gourlay, C.W., Batchelor, J.C. (2017) Miniature on skin passive UHF RFID antenna sticker. In: Loughborough Antennas & Propagation Conference (LAPC 2017). Loughborough Antennas & Propagation Conference (LAPC 2017). . IET ISBN 978-1-78561-699-0. E-ISBN 978-1-78561-700-3. (doi:10.1049/cp.2017.0252) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided) (KAR id:84629)

The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided. (Contact us about this Publication)
Official URL
https://doi.org/10.1049/cp.2017.0252

Abstract

Passive Radio Frequency Identification (RFID) in recent years has been more widely suggested for medical use with different types of wearable antenna designs. However, wearable passive RFID technology has always been limited by a few key constraints (primarily size) when trying to overcome the variable human body's dielectric properties to produce a high read range antenna design. Here we present an on skin passive RFID antenna design, three centimetres in diameter with a read range near two meters on the human body. With slight adjustments to the polyutherane thickness, the original sticker design can negate the difference between the variable human body dielectric properties within subject groups with only slight loses in antenna read range. It was more cost effective to vary the thickness of the breathable polyutherane used as the tag substrate to achieve a resonance within the European UHF RFID frequency range (as well as to increase the read range capability) than to redesign the antenna. Most variability was seen in subjects with high muscle to fat ratio; if the subject was highly muscular then the antenna polyutherane layer was increased to accommodate the increase in the subject's dielectric properties. This has led to a single passive RFID antenna design (two different polyutherane thicknesses) that can accommodate most people as a wearable design with numerous possible applications.

Item Type: Conference or workshop item (Paper)
DOI/Identification number: 10.1049/cp.2017.0252
Subjects: Q Science
T Technology > TK Electrical engineering. Electronics. Nuclear engineering
Divisions: Divisions > Division of Natural Sciences > School of Biosciences
Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts
Divisions > Division of Natural Sciences > School of Physical Sciences
Signature Themes: Future Human
Depositing User: Simon Holder
Date Deposited: 30 Nov 2020 10:31 UTC
Last Modified: 16 Feb 2021 14:16 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/84629 (The current URI for this page, for reference purposes)
Holder, S.J.: https://orcid.org/0000-0001-8977-9257
Gourlay, C.W.: https://orcid.org/0000-0002-2373-6788
Batchelor, J.C.: https://orcid.org/0000-0002-5139-5765
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