Research on RFID Anti-Collision Algorithms Based on Quadtree

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Abstract:

This paper presents an improved RFID anti-collision algorithm, which is on the basis of the bit-locking backoff anti-collision algorithm. A method of sending 2 bits length collision information,is used in the recognition process.The reader determines whether the quadtree strategy is adopted according to the collision information of the “00”,“01”,“10”,“11”, effectively reducing the null operations. The proposed algorithm is analyzed carefully in account, transmission delay and throughput of the system. Simulation results show that the improved algorithm have better performance compared with the same class of anti-collision algorithm, which is more suitable for multi-tab environment.

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226-230

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June 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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