Probabilistic Dynamic Framed Slotted ALOHA for RFID Tag Identification

  • Authors:
  • Chuyen T. Nguyen;Kazunori Hayashi;Megumi Kaneko;Petar Popovski;Hideaki Sakai

  • Affiliations:
  • Graduate School of Informatics, Kyoto University, Kyoto, Japan 606-8501;Graduate School of Informatics, Kyoto University, Kyoto, Japan 606-8501;Graduate School of Informatics, Kyoto University, Kyoto, Japan 606-8501;Department of Electronic Systems, Aalborg University, Aalborg, Denmark 9220;Graduate School of Informatics, Kyoto University, Kyoto, Japan 606-8501

  • Venue:
  • Wireless Personal Communications: An International Journal
  • Year:
  • 2013

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Abstract

In this paper, we study radio frequency identification tag identification problems using framed slotted ALOHA protocol. Each tag will be assumed to participate in the contention with a certain probability. Then, the frame size and the probability will be dynamically controlled by the reader in every reading round so that all the tags can be detected in a short period of time. Moreover, we propose a practical way of controlling the probability in terms of transmit power control, assuming Additive White Gaussian Noise channel or flat Rayleigh fading channel. Computer simulation results demonstrate the effectiveness of the proposed method.