PULSE: a MAC protocol for RFID networks

Authors:
Shailesh M. Birari;Sridhar Iyer
Affiliations:
K. R. School of Information Technology, Indian Institute of Technology, Mumbai, India;K. R. School of Information Technology, Indian Institute of Technology, Mumbai, India
Venue:
EUC'05 Proceedings of the 2005 international conference on Embedded and Ubiquitous Computing
Year:
2005

Citing 0
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Efficient tag detection in RFID systems

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On Object Identification Reliability Using RFID

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Probabilistic DCS: An RFID reader-to-reader anti-collision protocol

Journal of Network and Computer Applications
Optimal scheduling-based RFID reader-to-reader collision avoidance method using artificial immune system

Applied Soft Computing
Improving Colorwave with the probabilistic approach for reader-to-reader anti-collision TDMA protocols

Wireless Networks

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Abstract

The reader collision problem occurs when the signal from one reader interferes with the signal from other readers. Solutions like RTS-CTS are not applicable because a reader may communicate with multiple tags simultaneously. In this paper, we describe Pulse, a distributed protocol to reduce reader collisions. The operation of the Pulse protocol is based on periodic beaconing on a separate control channel by the reader, while it is reading the tags. The protocol functions effectively with fixed as well as mobile RFID readers. We show, using simulation in QualNet, that using Pulse protocol, the throughput (overall read rate) is increased by as high as 98%(with 49 readers) as compared to “Listen Before Talk” (CSMA) and by 337%(with 9 readers) as compared to Colorwave. We also present an analytical model for our protocol in a single hop scenario.