RFID Reader Anti-collision Algorithm Using a Server and Mobile Readers Based on Conflict-Free Multiple Access | IEEE Conference Publication | IEEE Xplore

RFID Reader Anti-collision Algorithm Using a Server and Mobile Readers Based on Conflict-Free Multiple Access


Abstract:

When many RFID readers are placed in a limited area, the RFID system may operate inefficiently due to reader-reader collisions. So reducing and resolving reader collision...Show More

Abstract:

When many RFID readers are placed in a limited area, the RFID system may operate inefficiently due to reader-reader collisions. So reducing and resolving reader collisions is an important issue. Existing DCS and colorwave algorithms for RFID anti-collision may not exhibit desirable performance in the environments with the dynamically varying number of neighbor readers. In this paper, we propose a simple RFID reader anti-collision algorithm, conflict-free multiple access based anti-collision (CFMA). In our CFMA, by using the location information received from readers, the server quickly decides whether a reader is safe to operate without collisions with neighbors or not. The mechanism helps readers avoid reader collisions efficiently and simulation results show CFMA outperforms colorwave and DCS.
Date of Conference: 07-09 December 2008
Date Added to IEEE Xplore: 09 January 2009
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Conference Location: Austin, TX, USA

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