Inkjet-printed UHF RFID tag based system for salinity and sugar detection

Sharif, A., Ouyang, J., Raza, A., Imran, M. A. and Abbasi, Q. H. (2019) Inkjet-printed UHF RFID tag based system for salinity and sugar detection. Microwave and Optical Technology Letters, 61(9), pp. 2161-2168. (doi: 10.1002/mop.31863)

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Abstract

This article presents an RFID system to detect the salinity and sugar contents of water. The proposed system is based on low‐cost ink‐jet printed passive ultrahigh frequency (UHF) RFID tag. The tag is designed using slot match technique, which poses a good imaginary impedance match with RFID chip both in free space and after mounting on the water bottle. Moreover, the tag antenna is exploited as a sensor to detect salt and sugar contents of water by measuring the backscatter power from the tag in term of received signal strength indicator (RSSI). A Tagformance Pro setup form Voyantic is used for measuring RSSI. Furthermore, an approximate relationship is derived between backscatter power and no. of grams of salt and sugar dissolved in water. This study paves a way to check the contents of drinks using portable devices, which is pivotal for healthcare applications in smart cities and the future Internet of things (IoT).

Item Type:Articles
Additional Information:Funding information: This work was supported by National Natural Science Foundation of China, Grant/Award Number: 61721001; University Cooperation Fund of the 54th Research Institute of China Electronic Science and Technology Group Corporation, Grant/Award Number: 2019210007000019
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Imran, Professor Muhammad and Abbasi, Dr Qammer
Authors: Sharif, A., Ouyang, J., Raza, A., Imran, M. A., and Abbasi, Q. H.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Microwave and Optical Technology Letters
Publisher:Wiley
ISSN:0895-2477
ISSN (Online):1098-2760
Published Online:23 May 2019
Copyright Holders:Copyright © 2019 Wiley Periodicals, Inc.
First Published:First published in Microwave and Optical Technology Letters 61(9):2161-2168
Publisher Policy:Reproduced in accordance with the publisher copyright policy

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