Fully-Textile, Wearable Chipless Tags for Identification and Tracking Applications

In this work, two fully-textile wearable devices, to be used as chipless identification tags in identification and tracking applications are presented. For the fabrication of the fully-textile tags, a layer of fleece was used as a substrate, while an adhesive non-woven conductive fabric was employed...

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Bibliographic Details
Published in:Sensors (Basel, Switzerland) Switzerland), 2020-01, Vol.20 (2), p.429
Main Authors: Corchia, Laura, Monti, Giuseppina, De Benedetto, Egidio, Cataldo, Andrea, Angrisani, Leopoldo, Arpaia, Pasquale, Tarricone, Luciano
Format: Article
Language:English
Subjects:
Binary codes
chipless tag
Clothing industry
Design
frequency shift
Geometry
Hides
Identification
Internet of Things
iot
Leather
Magnetic fields
microwave resonators
Nonwoven fabrics
Prototypes
Radiation
Radio frequency identification
Resonance scattering
Resonators
Simulation
Tags
textile
Textiles
tracking
wearable
Wearable technology
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Summary:In this work, two fully-textile wearable devices, to be used as chipless identification tags in identification and tracking applications are presented. For the fabrication of the fully-textile tags, a layer of fleece was used as a substrate, while an adhesive non-woven conductive fabric was employed for the conductive parts. To allow radio-frequency identification of these chipless tags, two alternative techniques were used. One relies on associating a binary code with the resonance frequency of resonant devices: the presence/absence of the resonance peaks in the transmission scattering parameter, | S 21 | , of a set of resonators is used to encode a string of bits. The second technique for accomplishing radio-frequency identification of the chipless tags resorts to a frequency-shift coding technique, which is implemented by modifying the configuration of a hairpin resonator. The obtained numerical and experimental results confirm the suitability of the proposed strategies for obtaining entirely-textile, wearable chipless tags for identification and tracking purposes, which can be particularly useful, especially in the industrial sector. In this field, in fact, the proposed solutions would guarantee a seamless integration with clothes and would facilitate the user's interaction with the IoT infrastructure. In this regard, one of the envisaged application scenarios related to the tracking of hides in the leather industry is also presented.
ISSN:1424-8220
1424-8220
DOI:10.3390/s20020429