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Flexible Direct-Write Printed RF Sensor for RF Ice Sensing

Flexible Direct-Write Printed RF Sensor for RF Ice Sensing
Flexible Direct-Write Printed RF Sensor for RF Ice Sensing
Build up of ice can cause major issues in many urban infrastructures if not properly detected and addressed. Existing ice detection systems have many limitations in their application and are highly complex, limiting their scalability in future smart cities. In this paper, we introduce an RF antenna-based sensor, utilizing a flexible dispenser printed loop antenna for ice detection. Once the antenna is covered by ice, the resonance frequency of the antenna significantly decreases, a response which can be detected through the antenna’s reflection coefficient S 11 and wirelessly through the realized gain. The simulated and measured S 11 indicate a frequency shift of about 700 MHz from 2.46 GHz for 9 mm thickness ice. Using the RF loop antenna, thick ice formation as an overlying layer translates to a variation in the channel gain, where the degradation in the antenna’s gain is dependent on the ice thickness, enabling "over the air" wireless detection. Based on the performance of the proposed antenna, printed RF sensing is a promising method for wireless ice detection in future smart cities.
RF, RFID, antenna, condition monitoring, ice, ice sensing, loop, microwave sensing, radio frequency sensing, sensing, snow sensing, wireless sensor nodes, wireless sensors
IEEE
Shi, Junjie
3e2ba75e-a773-478a-aacc-5d926bfd1669
Wagih, Mahmoud
7e7b16ba-0c64-4f95-bd3c-99064055f693
Shi, Junjie
3e2ba75e-a773-478a-aacc-5d926bfd1669
Wagih, Mahmoud
7e7b16ba-0c64-4f95-bd3c-99064055f693

Shi, Junjie and Wagih, Mahmoud (2021) Flexible Direct-Write Printed RF Sensor for RF Ice Sensing. In 2021 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS). IEEE.. (doi:10.1109/FLEPS51544.2021.9469841).

Record type: Conference or Workshop Item (Paper)

Abstract

Build up of ice can cause major issues in many urban infrastructures if not properly detected and addressed. Existing ice detection systems have many limitations in their application and are highly complex, limiting their scalability in future smart cities. In this paper, we introduce an RF antenna-based sensor, utilizing a flexible dispenser printed loop antenna for ice detection. Once the antenna is covered by ice, the resonance frequency of the antenna significantly decreases, a response which can be detected through the antenna’s reflection coefficient S 11 and wirelessly through the realized gain. The simulated and measured S 11 indicate a frequency shift of about 700 MHz from 2.46 GHz for 9 mm thickness ice. Using the RF loop antenna, thick ice formation as an overlying layer translates to a variation in the channel gain, where the degradation in the antenna’s gain is dependent on the ice thickness, enabling "over the air" wireless detection. Based on the performance of the proposed antenna, printed RF sensing is a promising method for wireless ice detection in future smart cities.

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More information

Published date: July 2021
Venue - Dates: 2021 IEEE International Conference on Flexible and Printable Sensors and Systems (FLEPS), United Kingdom, 2021-06-20 - 2021-07-23
Keywords: RF, RFID, antenna, condition monitoring, ice, ice sensing, loop, microwave sensing, radio frequency sensing, sensing, snow sensing, wireless sensor nodes, wireless sensors

Identifiers

Local EPrints ID: 450433
URI: http://eprints.soton.ac.uk/id/eprint/450433
PURE UUID: 8360fe4a-0e6f-47bd-a2a6-679e4d60901c
ORCID for Mahmoud Wagih: ORCID iD orcid.org/0000-0002-7806-4333

Catalogue record

Date deposited: 28 Jul 2021 16:31
Last modified: 10 Jan 2022 03:23

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Contributors

Author: Junjie Shi
Author: Mahmoud Wagih ORCID iD

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