Multichannel Anticollision Protocol for Improving Tag Collection Performance in Active RFID Systems 


Vol. 34,  No. 1, pp. 50-57, Jan.  2009


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  Abstract

Tag collection is one of the major functions in RFID systems. In this paper, we propose a multichannel slotted-aloha anticollision protocol to mitigate the tag collision problem and improve tag collection performance in active RFID systems. In the proposed anticollision protocol, while an RFID reader transmits commands to multiple RFID tags via a common channel, it receives multiple tag responses over multiple channels simultaneously. We also implemented an active RFID system supporting the proposed anticollision protocol. In experiments with the implemented reader and 60 tags, the proposed dual-channel slotted-aloha anticollision protocol showed a large improvement in tag collection performance compared with the single-channel slotted-aloha anticollision protocol. With 60 tags, the average time spent on tag collection using the dual-channel anticollision protocol was 600.543 ㎳, which was 46.5% of the 1289.721 ㎳ required using the single-channel anticollision protocol.

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  Cite this article

[IEEE Style]

W. Yoon, S. Chung, S. Park, "Multichannel Anticollision Protocol for Improving Tag Collection Performance in Active RFID Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 1, pp. 50-57, 2009. DOI: .

[ACM Style]

Won-Ju Yoon, Sang-Hwa Chung, and Shin-Jun Park. 2009. Multichannel Anticollision Protocol for Improving Tag Collection Performance in Active RFID Systems. The Journal of Korean Institute of Communications and Information Sciences, 34, 1, (2009), 50-57. DOI: .

[KICS Style]

Won-Ju Yoon, Sang-Hwa Chung, Shin-Jun Park, "Multichannel Anticollision Protocol for Improving Tag Collection Performance in Active RFID Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 1, pp. 50-57, 1. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880