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Conference Papers Year : 2014

Towards localization of RFID tags based on experimental analysis of RSSI

Xiaofei Zhang
  • Function : Author
Jean-Michel Akré
  • Function : Author
Sébastien Baey
Anne Fladenmuller
Mario Zancanaro
  • Function : Author
  • PersonId : 971444
Mauro Fonseca
  • Function : Author

Abstract

RFID has been developed for many applications such as object identification, object traceability, geometric localization, etc. In order to locate an object labeled by a tag, several characteristics of the tag responses have been studied. This yielded theoretical models whose accuracy is not sufficient in practice for targeted applications. In this paper, we investigate how to localize a tag based on the set of received signal strength indicator (RSSI) values measured for a large range of transmission powers. Using an extensive measurement campaign, we establish that the RSSI is a linear function of the transmission power of the RFID reader. Moreover, a minimum transmission power is necessary for activating the tag which also depends on its localization. As a result, the statistics of the RSSI for different transmission powers may be synthetized through a triple. We then show how this triple may be exploited for localizing a tag.
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Dates and versions

hal-01212746 , version 1 (07-10-2015)

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Xiaofei Zhang, Jean-Michel Akré, Sébastien Baey, Anne Fladenmuller, Brigitte Kervella, et al.. Towards localization of RFID tags based on experimental analysis of RSSI. IFIP Wireless Days 2014, Nov 2014, Rio de Janeiro, Brazil. pp.1-4, ⟨10.1109/WD.2014.7020829⟩. ⟨hal-01212746⟩
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