• Journal of Internet Computing and Services
    ISSN 2287 - 1136(Online) / ISSN 1598 - 0170 (Print)
    http://jics.or.kr/

A Hybrid Anti-Collision Protocol using Bit Change Sensing Unit in RFID System


Jeong-Hwan Kim, Young-Tae Kim, Yong-Soo Park, Kwang-Seon Ahn, Journal of Internet Computing and Services, Vol. 10, No. 2, pp. 133-142, Apr. 2009
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Abstract

A tag collision problem occurs when many tags are placed in a interrogation zone in RFID system. A tag collision problem is one of core issues and various protocols have been proposed to solve the collision problems. Generally tree-based protocols generate unique prefixes and identify tags with them as quick as possible. In this paper, we propose the QT-BCS protocol which decreases the identification time by reducing the number of query-response. The QT-BCS protocol makes a prefixes using time slot and bit change sensing unit. This protocol compares the current bit of tags until the current bit is differ from the previous one. When this occurs, all of the bits scanned so far are transferred to slot-0 and slot-1 depending on the first bit value in Reader. Consequently, this method can reduce the number of queries by tracing prefixes easily. Simulation result shows QT-BCS is more efficient in identifying tags than Query Tree and 4-ary Query Tree protocol.


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Cite this article
[APA Style]
Jeong-Hwan Kim, Young-Tae Kim, Yong-Soo Park, & Kwang-Seon Ahn (2009). A Hybrid Anti-Collision Protocol using Bit Change Sensing Unit in RFID System. Journal of Internet Computing and Services, 10(2), 133-142.

[IEEE Style]
J. Kim, Y. Kim, Y. Park and K. Ahn, "A Hybrid Anti-Collision Protocol using Bit Change Sensing Unit in RFID System," Journal of Internet Computing and Services, vol. 10, no. 2, pp. 133-142, 2009.

[ACM Style]
Jeong-Hwan Kim, Young-Tae Kim, Yong-Soo Park, and Kwang-Seon Ahn. 2009. A Hybrid Anti-Collision Protocol using Bit Change Sensing Unit in RFID System. Journal of Internet Computing and Services, 10, 2, (2009), 133-142.