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Data-Dense and Miniature Chipless Moisture Sensor RFID Tag for Internet of Things
Univ Engn & Technol, Dept Telecommun Engn, ACTSENA Res Grp, Taxila 47050, Pakistan..
Univ Engn & Technol, Dept Telecommun Engn, ACTSENA Res Grp, Taxila 47050, Pakistan..
Polytech Montreal, Dept Elect Engn, Montreal, PQ H3T 1J4, Canada..
McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON L8S 4L8, Canada..
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2019 (English)In: Electronics, ISSN 2079-9292, Vol. 8, no 10, article id 1182Article in journal (Refereed) Published
Abstract [en]

A novel and miniaturized semi-elliptical 20-bit fully passive chipless RFID sensor tag is proposed in this article. The realized sensor tag is made up of semi-elliptical shaped open-end slots within the compact size of 25 mm x 17 mm. The multi-substrate analysis of the proposed tag is examined using non-flexible and flexible materials. The articulated tag configuration is capable of monitoring moisture levels when the largest resonator is covered by a heat-resistant sheet of Kapton HN (DuPontTM). The proposed tag functions in the operational frequency band of 4.1 GHz-16 GHz and possesses the overall bit density of 4.70 bit/cm(2). The structure is composed of a thin passive substrate layer topped with an active layer of conductive path and is considered as a potential candidate for low-cost identification of the tagged objects. In addition to that, its moisture sensing property and flexible nature make it a reliable smart sensor for conformal applications.

Place, publisher, year, edition, pages
MDPI , 2019. Vol. 8, no 10, article id 1182
Keywords [en]
chipless tag, RFID, flexible, moisture sensor, semi-elliptical
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-265485DOI: 10.3390/electronics8101182ISI: 000498262700122Scopus ID: 2-s2.0-85074229634OAI: oai:DiVA.org:kth-265485DiVA, id: diva2:1379655
Note

QC 20191217

Available from: 2019-12-17 Created: 2019-12-17 Last updated: 2020-04-22Bibliographically approved

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Tenhunen, Hannu

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