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A compact chipless RFID tag with environment sensing capability

Abstract : This paper presents a chipless RFID tag having both identification and sensing capability. It is based on 5 resonant scatterers that behave as signal processing antennas in the band from 2.5 to 7.5 GHz. Only one scatterer is used to monitor a physical parameter variation, while the four others allow identifying the remote sensor with 13 bits. To make a resonator sensitive to the temperature or humidity, a material based on Silicon Nanowire is deposited on the tag surface using a very simple process. The tag needs only one conductive layer so that it can be directly printed on product making by the way a unit cost potentially very low. Measurements done using a bi static radar configuration in the frequency domain validate this new concept.
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Submitted on : Wednesday, August 20, 2014 - 2:29:42 PM
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Arnaud Vena, Etienne Perret, Smail Tedjini, Darine Kaddour, Alexis Potie, et al.. A compact chipless RFID tag with environment sensing capability. Microwave Symposium Digest (MTT), 2012 IEEE MTT-S International, Jun 2012, Unknown, France. pp.1-3, ⟨10.1109/mwsym.2012.6258420⟩. ⟨hal-01056740⟩



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