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Bi-slotted tree based anti-collision protocols for fast tag identification in RFID systems

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3 Author(s)
Ji Hwan Choi ; Sch. of Eng., Inf. & Commun. Univ., Daejeon ; Dongwook Lee ; Hyuckjae Lee

This paper is intended to present bi-slotted tree based RFID tag anti-collision protocols, bi-slotted query tree algorithm (BSQTA) and bi-slotted collision tracking tree algorithm (BSCTTA). Diminishing prefix overhead and iteration overhead is a significant issue to minimize the anti-collision cost. For fast tag identification, BSQTA and BSCTTA use time divided responses depending on whether the collided bit is `0' or `1' at each tag ID. According to the simulation results, BSQTA and BSCTTA require less time consumption for tag identification than the other tree based RFID tag anti-collision protocols

Published in:

Communications Letters, IEEE  (Volume:10 ,  Issue: 12 )