A Study on Anti-collision Algorithm in Gen2 Protocol Based RFID Systems 


Vol. 31,  No. 6, pp. 561-571, Jun.  2006


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  Abstract

RFID technology, as one contact-less identification technology with using electronic tag, is the field where its multiple researches have been studied. Especially, in the field of supply chain management, when it is necessary to identify a lot of objects by real-time, performance of anti-collision algorithm for multiple tag identification has an effect on performance of entire system. GEN2 is global, open, interoperability protocol for UHF RFID system, the active researches and developments are processed about it. In this paper, we introduce an anti-collision algorithm based on Slotted-ALOHA for GEN2 protocol, focus on estimating number of tags and setting number of slots and review the previous works. We propose new scheme that can estimate number of tags efficiently, and define system efficiency newly when it's used in setting number of slots. We also present result of compare and analysis with previous scheme through simulation. The proposed scheme of estimating number of tags is easy to implement, number of tags which is less than 4 times of number of slots can estimate tags efficiently, we also proved that identification efficiency based on weighted-slot distinguished with definition of previous slot efficiency can improve system efficiency.

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  Cite this article

[IEEE Style]

C. Quan, H. Mo, G. Choi, C. Pyo, J. Chae, "A Study on Anti-collision Algorithm in Gen2 Protocol Based RFID Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 6, pp. 561-571, 2006. DOI: .

[ACM Style]

Cheng-Hao Quan, Hee-Sook Mo, Gil-Young Choi, Cheol-Sig Pyo, and Jong-Suk Chae. 2006. A Study on Anti-collision Algorithm in Gen2 Protocol Based RFID Systems. The Journal of Korean Institute of Communications and Information Sciences, 31, 6, (2006), 561-571. DOI: .

[KICS Style]

Cheng-Hao Quan, Hee-Sook Mo, Gil-Young Choi, Cheol-Sig Pyo, Jong-Suk Chae, "A Study on Anti-collision Algorithm in Gen2 Protocol Based RFID Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 31, no. 6, pp. 561-571, 6. 2006.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880