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Backscatter Communication Using Ultrawide Bandwidth Signals for RFID Applications

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The Internet of Things

Abstract

RFID technology for use in real-time object identification is being rapidly adopted in several fields such as logistic, automotive, surveillance, automation systems, etc. [1]. A radiofrequency identification (RFID) system consists of readers and tags applied to objects. The reader interrogates the tags via a wireless link to obtain the data stored on them. The cheapest RFID tags with the largest commercial potential are passive or semi-passive, and the energy necessary for tag–reader communication is harvested from the reader’s signal. Passive RFID tags are usually based on backscatter modulation, where the antenna reflection properties are changed according to information data [2].

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Notes

  1. 1.

    In general, tag’s internal clock is asynchronous with respect to reader’s internal clock. For this reason a suitable synchronization scheme has to be considered at the reader as will be investigated in the following up paper. Time delay τ0 accounts for filter delay as well as round-trip propagation delay. Its estimate can be useful to measure the distance (ranging) between tag and reader [15].

  2. 2.

    Multiple readers can access the same tag by using different reader sequences provided that they are designed with good crosscorrelation properties.

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Acknowledgment

This work has been performed within the framework FP7 European Project EUWB (grant no. 215669).

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Authors and Affiliations

  1. WiLAB, DEIS, University of Bologna at Cesena, via Venezia 52, 47023, Cesena, FC, Italy

    F. Guidi & D. Dardari

  2. ENSTA-ParisTech, 32 Boulevard Victor, 75739, Paris Cedex 15, France

    C. Roblin & A. Sibille

Authors
  1. F. Guidi
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  2. D. Dardari
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  3. C. Roblin
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  4. A. Sibille
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Corresponding author

Correspondence to F. Guidi .

Editor information

Editors and Affiliations

  1. Dipto. Ingegneria Elettrica e, Università di Cagliari, Piazza d’Armi, Cagliari, 09123, Italy

    Daniel Giusto

  2. Fac. Ingegneria, UniversitĂ  Mediterranea, Via Graziella (Feo di Vito), Reggio Calabria, 89100, Italy

    Antonio Iera

  3. Dipto. Ingegneria Elettrica, UniversitĂ  Catania, Viale Andrea Doria 6, Catania, 95125, Italy

    Giacomo Morabito

  4. Dipto. Ingegneria Elettrica e, Università di Cagliari, Piazza d’Armi, Cagliari, 09123, Italy

    Luigi Atzori

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Guidi, F., Dardari, D., Roblin, C., Sibille, A. (2010). Backscatter Communication Using Ultrawide Bandwidth Signals for RFID Applications. In: Giusto, D., Iera, A., Morabito, G., Atzori, L. (eds) The Internet of Things. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-1674-7_24

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  • DOI: https://doi.org/10.1007/978-1-4419-1674-7_24

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4419-1673-0

  • Online ISBN: 978-1-4419-1674-7

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