Transactions of The Japan Institute of Electronics Packaging
Online ISSN : 1884-8028
Print ISSN : 1883-3365
ISSN-L : 1883-3365
Technical Papers
Design and Detection of Chipless RFID Tags Using Stepped Impedance Resonators with Short-circuited Ends
Fuminori SakaiMitsuo MakimotoKoji Wada
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2018 Volume 11 Pages E18-001-1-E18-001-12

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Abstract

This paper proposes multimode stepped impedance resonators with short-circuited ends, and descriptions are also given for a detection method using electromagnetic probes and a method of code identification. The stepped impedance resonators are composed of multiple transmission lines with different characteristic impedances, and they can control higher-order mode resonance frequencies. Using their intrinsic properties, identification codes from a resonator can be systematically generated by introducing symmetric multimode stepped impedance resonators with short-circuited ends, and these codes can be identified by detecting the higher-order mode resonance frequency.

The experimental results show that proposed resonators can be used in chipless RFIDs, which have the advantages of a small tag size, accurate code detection, and minimal effects from reflections from the environment.

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© 2018 The Japan Institute of Electronics Packaging
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