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A Reader Anti-collision MAC Protocol for Dense Reader RFID System

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3 Author(s)
Joshi, G.P. ; Dept. of Inf. & Commun. Eng., Yeungnam Univ., Kyongsan ; Abdulla Mamun, K.M. ; Sung Won Kim

In dense reader RFID system, a number of readers in the same interrogation area want to access the channel at the same time suffer from reader collision problem. In this paper, we propose a distributed reader anti-collision MAC protocol (RAMP) for dense reader environment. We extended the pulse protocol by adding multiple data channels and the channel hopping algorithm. The channel hopping algorithm helps to decide whether to hop for new channel or wait in the same channel. Also, channel utilization probability based random backoff mitigates the collision possibility in the control channel. Simulation result shows that our protocol mitigates reader's collision, hence decreases waiting time significantly than the existing RFID MAC protocol.

Published in:

Communications and Mobile Computing, 2009. CMC '09. WRI International Conference on  (Volume:2 )

Date of Conference:

6-8 Jan. 2009