Hybrid Tag Anti-collision Algorithms in RFID Systems

Authors:
Jae-Dong Shin;Sang-Soo Yeo;Tai-Hoon Kim;Sung Kwon Kim
Affiliations:
School of Computer Science & Engineering, Chung-Ang University, Seoul, Korea;Department of Computer Science & Communication Engineering, Kyushu University, Fukuoka, Japan;Division of Computer Information Communication & Engineering, Ewha Womans University, Seoul, Korea;School of Computer Science & Engineering, Chung-Ang University, Seoul, Korea
Venue:
ICCS '07 Proceedings of the 7th international conference on Computational Science, Part IV: ICCS 2007
Year:
2007

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Abstract

RFID, Radio Frequency Identification, technology is a contactless automatic identification technology about which a lot of researches and developments are recently progressing. For this RFID technology to be widely spread, the problem of multiple tag identification, which a reader identifies a multiple number of tags in a very short time, has to be solved. So far, several anti-collision algorithms are developed. And those can be largely divided into ALOHA based algorithm and tree based algorithm. In this paper, two new anti-collision algorithms combining the characteristics of these two categories are presented. And the performances of the two algorithms are simulated.