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3-D Localization Schemes of RFID Tags with Static and Mobile Readers

  • Mathieu Bouet
  • Guy Pujolle
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4982)

Abstract

RFID is an automatic identification technology that enables tracking of people and objects. We propose a scalable and robust 3-D localization method of RFID tags, derived in two schemes, that uses the diversity of pervasive environments to improve its accuracy. RFID readers are placed on the floor and ceiling of a room. In the first scheme, static and mobile tags are localized using only connectivity information obtained through this structure. The second scheme involves in addition mobile RFID readers. They are used here to refine the localization process by adding more inclusive constraints to the calculation. We study the impact of the number of static and mobile readers on the accuracy. We then show that the first scheme constitutes an upper bound for the second one. Furthermore, we observe that the second scheme does not require a lot of mobile readers and that it considerably improves accuracy.

Keywords

RFID localization mobility 3 dimensions tracking 

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Copyright information

© IFIP International Federation for Information Processing 2008

Authors and Affiliations

  • Mathieu Bouet
    • 1
  • Guy Pujolle
    • 1
  1. 1.Laboratoire d’Informatique de Paris 6 (LIP6)Université Pierre et Marie Curie (UPMC)ParisFrance

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