Using a Movable RFID Antenna to Automatically Determine the Position and Orientation of Objects on a Tabletop

  • Steve Hinske
  • Marc Langheinrich
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5279)


Augmented tabletop games support players by sensing the context of game figures (i.e., position and/or orientation) and then using this information to display additional game information, or to perform game related calculations. In our work we try to detect the position and orientation of game figures using small, unobtrusive passive RFID tags. In order to localize our multi-tagged objects, we use a small movable antenna mounted underneath the table to scan the game environment. While this approach is not capable of real-time positioning, it achieves a very high accuracy on the order of a few millimeters. This article describes our experimental setup, discusses the trade-off between speed and accuracy, and contrasts our approach with a multi-antenna setup.


Radio-Frequency Identification (RFID) Object Detection Miniature War Games Localization 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Steve Hinske
    • 1
  • Marc Langheinrich
    • 2
  1. 1.Inst. for Pervasive ComputingETH ZurichZurichSwitzerland
  2. 2.Faculty of InformaticsUniversity of Lugano (USI)LuganoSwitzerland

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