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Wireless ice detection and monitoring using flexible UHF RFID tags

Wireless ice detection and monitoring using flexible UHF RFID tags
Wireless ice detection and monitoring using flexible UHF RFID tags
Owing to its low relative permittivity, very fewmicrowave sensors have been developed for monitoring icedeposition. This paper presents the first use of UHF RFIDtags for wireless RF ice sensing applications. Despite its lowpermittivity, the existence of ice as a superstrate on a planarultra-thin dipole antenna can lower the resonance frequency ofthe antenna significantly. The RFID tags, having a measuredunloaded range of 9.4 m, were evaluated for remotely detectingthe formation of ice in various scenarios up to 10 m from thereader, as well as monitoring the ice thawing, based on theRelative Signal Strength (RSS) in a phase-free approach. In mostRSS-based sensing approaches, the tag’s read-range is reducedas the RSS decreases in response to the stimulant. However, theproposed sensing mechanism does not reduce the tag’s range;the ice superstrate improves the impedance matching of the tagsand increases their radar cross section (RCS), resulting in a10 m loaded read-range with over 12 dB ice-sensitivity, in anechoic multi-path environment. The proposed sensing mechanismachieves an accuracy of 86% for tags positioned between 0.5 and10.5 m with various obstructions. When subjected to line-of-sightmetallic obstruction, the sensor still maintains 80% accuracy. Thelong range and high sensitivity of the proposed sensing mechanicsshow that UHF RFID is a promising method for detecting theformation of ice in future smart cities.
RFID, sensor, RFID sensing, ice detection, ice monitoring, RFID sensor tag, antenna sensor, antenna design, smart cities, Battery-less, energy harvesting, wireless ice detection, microwave sensors
1530-437X
Wagih, Mahmoud
7e7b16ba-0c64-4f95-bd3c-99064055f693
Shi, Junjie
3e2ba75e-a773-478a-aacc-5d926bfd1669
Wagih, Mahmoud
7e7b16ba-0c64-4f95-bd3c-99064055f693
Shi, Junjie
3e2ba75e-a773-478a-aacc-5d926bfd1669

Wagih, Mahmoud and Shi, Junjie (2021) Wireless ice detection and monitoring using flexible UHF RFID tags. IEEE Sensors Journal. (doi:10.36227/techrxiv.14252657.v2). (In Press)

Record type: Article

Abstract

Owing to its low relative permittivity, very fewmicrowave sensors have been developed for monitoring icedeposition. This paper presents the first use of UHF RFIDtags for wireless RF ice sensing applications. Despite its lowpermittivity, the existence of ice as a superstrate on a planarultra-thin dipole antenna can lower the resonance frequency ofthe antenna significantly. The RFID tags, having a measuredunloaded range of 9.4 m, were evaluated for remotely detectingthe formation of ice in various scenarios up to 10 m from thereader, as well as monitoring the ice thawing, based on theRelative Signal Strength (RSS) in a phase-free approach. In mostRSS-based sensing approaches, the tag’s read-range is reducedas the RSS decreases in response to the stimulant. However, theproposed sensing mechanism does not reduce the tag’s range;the ice superstrate improves the impedance matching of the tagsand increases their radar cross section (RCS), resulting in a10 m loaded read-range with over 12 dB ice-sensitivity, in anechoic multi-path environment. The proposed sensing mechanismachieves an accuracy of 86% for tags positioned between 0.5 and10.5 m with various obstructions. When subjected to line-of-sightmetallic obstruction, the sensor still maintains 80% accuracy. Thelong range and high sensitivity of the proposed sensing mechanicsshow that UHF RFID is a promising method for detecting theformation of ice in future smart cities.

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MWagih_IEEEJSens_IceRFID - Accepted Manuscript
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More information

Submitted date: 2 June 2021
Accepted/In Press date: 4 June 2021
Keywords: RFID, sensor, RFID sensing, ice detection, ice monitoring, RFID sensor tag, antenna sensor, antenna design, smart cities, Battery-less, energy harvesting, wireless ice detection, microwave sensors

Identifiers

Local EPrints ID: 449714
URI: http://eprints.soton.ac.uk/id/eprint/449714
ISSN: 1530-437X
PURE UUID: 81fc0656-6c53-4d14-8a95-5678bf4bf6c0
ORCID for Mahmoud Wagih: ORCID iD orcid.org/0000-0002-7806-4333

Catalogue record

Date deposited: 11 Jun 2021 16:32
Last modified: 07 Aug 2021 01:59

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Contributors

Author: Mahmoud Wagih ORCID iD
Author: Junjie Shi

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