An enhanced ubiquitous identification system using fast anti-collision algorithm

Authors:
Choong-Hee Lee;Seong-Hwan Oh;Jae-Hyun Kim
Affiliations:
School of Electrical and Computer Engineering, Ajou University, Suwon, Korea;School of Electrical and Computer Engineering, Ajou University, Suwon, Korea;School of Electrical and Computer Engineering, Ajou University, Suwon, Korea
Venue:
UIC'07 Proceedings of the 4th international conference on Ubiquitous Intelligence and Computing
Year:
2007

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Abstract

We analyze the tag identification procedure of conventional EPC Class 1 RFIDsystem and propose the fast anti-collision algorithm for the performance improvement of the system. In the proposed algorithm, the reader uses information of tag collisions and reduces unnecessary procedures of the conventional algorithm. We evaluate the performance of the proposed anti-collision algorithm and the conventional algorithm using mathematical analysis and simulation. According to the results, the fast anti-collision algorithm shows greatly better performance than conventional algorithm.