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Interaction of UWB Tag Backscattering with Close Metallic Reflectors

Francesco Guidi 1, 2 Alain Sibille 3, 4 Christophe Roblin 3, 4
1 LTCI - Laboratoire Traitement et Communication de l'Information
2 UNIBO - Alma Mater Studiorum Università di Bologna [Bologna]
3 RFM2 - Radio-Fréquences Microondes et Ondes Millimétriques
LTCI - Laboratoire Traitement et Communication de l'Information
4 COMELEC - Département Communications & Electronique
Abstract : UWB RFID systems for real-time objects identification and localization represent a promising solution for a future generation of RFID, as they can overcome current narrowband technology limitations. As is well known from the literature, it is very challenging to ensure a reliable RFID communication when tags are placed in proximity of metallic reflectors. For this reason, we here investigate the interaction between a UWB RFID tag and a close metallic disturber, assuming semi-passive tags operating in modulated backscattering. The impact of the metallic reflector on the tags backscattering pattern and RFID system coverage is evaluated, showing how tag detection is affected since the energy is mainly concentrated in certain directions.
Keywords : Backscattering Metal RFID Tag UWB
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Journal articles
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https://hal-imt.archives-ouvertes.fr/hal-01062905
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Submitted on : Wednesday, September 10, 2014 - 10:01:29 PM
Last modification on : Tuesday, October 19, 2021 - 11:15:28 AM

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  • HAL Id : hal-01062905, version 1

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INSTITUT-TELECOM | CNRS | PARISTECH | LTCI | COMELEC | RFM2

Citation

Francesco Guidi, Alain Sibille, Christophe Roblin. Interaction of UWB Tag Backscattering with Close Metallic Reflectors. IEEE Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers, 2014, 13, pp.245 - 248. ⟨hal-01062905⟩

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