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General Information
    • ISSN: 2010-3719
    • Frequency: Bimonthly
    • DOI: 10.18178/IJIEE
    • Editor-in-Chief: Prof. Chandratilak De Silva Liyanage
    • Associate Executive Editor: Ms. Jennifer Zeng
    • Executive Editor: Mr. Ron C. Wu
    • Abstracting/ Indexing : Google Scholar, Electronic Journals Library, Crossref and ProQuest, Ei (INSPEC, IET).
    • E-mail ijiee@ejournal.net

Faculty of Science, University of Brunei Darussalam, Brunei Darussalam   
" It is a great honor to serve as the editor-in-chief of IJIEE. I'll work together with the editorial team. Hopefully, IJIEE will be recognized among the readers in the related field."
IJIEE 2014 Vol.4(2): 87-91 ISSN: 2010-3719
DOI: 10.7763/IJIEE.2014.V4.414

RFID Identification Protocol with Optimal Frame Size for Varying Slot Time

Chul Wan Park, Ji Hyoung Ahn, and Tae-Jin Lee
Abstract— In an RFID system, an efficient anti-collision algorithm is essential to quickly identify a number of tags. Most of RFID anti-collision algorithms are designed by assuming that the time durations of all slots are the same. In this paper, we propose a new anti-collision algorithm based on the binary tree algorithm and the framed slotted ALOHA algorithm with an optimal frame size determination method. The durations of an idle slot and a collision slot can differ from the duration of a success slot by the QueryRep (QR) command. The proposed algorithm can estimate the number of tags even when the zero estimation is not applicable. And an appropriate frame size is determined considering the time duration of adaptive slot size. We show that the identification time is reduced using our proposed Hybrid Framed Slotted ALOHA with Adaptive Slot (HFSA-AS) through analysis and simulations.

Index Terms— RFID, anti-collision, binary tree, DFSA.

The authors are with the College of Information and Communication Engr., Sungkyunkwan University, Suwon 440-746, Korea (e-mail: tjlee@skku.edu).


Cite: Chul Wan Park, Ji Hyoung Ahn, and Tae-Jin Lee, " RFID Identification Protocol with Optimal Frame Size for Varying Slot Time," International Journal of Information and Electronics Engineering vol. 4, no. 2, pp. 87-91, 2014.

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