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High Security Identity Tags Using Spiral Resonators

Anju Pradeep1, S. Mridula1, P. Mohanan2
School of Engineering, Cochin University of Science and Technology, Kerala, India
Department of Electronics, Cochin University of Science and Technology, Kerala, India

Computers, Materials & Continua 2016, 52(3), 187-196. https://doi.org/10.3970/cmc.2016.052.185

Abstract

A highly compact chipless tag based on Frequency coding technique using Spiral Resonators is proposed in this paper. Spirals are well known metamaterial structures and thus capable of sharp resonance, and hence Spiral Resonators can serve as a good candidate for RF Identity Tags. The bit capacity of the proposed tag is 10 bits per sqcm. The prototype of the tag is fabricated on a low-cost substrate of dielectric constant 4.4 and loss tangent 0.02. The overall dimension of tag is 15.4 x 3 x 1.6 mm3. Two methods for reading the tags are also discussed in this paper. Scope for bit enhancement is also provided.

Keywords

High security tag, metamaterial, spiral resonator, reader antenna.

Cite This Article

. , "High security identity tags using spiral resonators," Computers, Materials & Continua, vol. 52, no.3, pp. 187–196, 2016.



This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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