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Variant Enhanced Dynamic Frame Slotted ALOHA Algorithm for Fast Object Identification in RFID System

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3 Author(s)
Qingsong Peng ; Department of Computer Science and Technology, Shanghai Maritime University, 200135, Shanghai, China. ; Ming Zhang ; Weimin Wu

This paper analyses the practical faults existing in enhanced dynamic frame slotted ALOHA (EDFSA) algorithms, and discusses the strategy to improve the efficiency of anti-collision algorithm in RFID system. EDFSA algorithm divides the tags into a number of groups and allows only one group of tags to respond when the number of tags is much larger than optimal efficiency tags. However the efficiency of the system can still be improved. We propose a new anti-collision algorithm called by the name of variant enhanced dynamic frame slotted ALOHA algorithm (VEDFSA) to improve the efficiency of the system that can solve the problem above by dynamic divide tags into groups during the anti-collision solving procedure.

Published in:

2007 International Workshop on Anti-Counterfeiting, Security and Identification (ASID)

Date of Conference:

16-18 April 2007