• KSII Transactions on Internet and Information Systems
    Monthly Online Journal (eISSN: 1976-7277)

Research on Anti-Reader Collision Protocols for Integrated RFID-WSNs

Vol. 4, No.5, October 30, 2010
10.3837/tiis.2010.10.005, Full Text:

Abstract

Integrated RFID-WSNs (wireless sensor networks) have recently been researched to provide object identities, sensing information, mobile service, and network functionalities. In integrated RFID-WSNs, the reader collision is one of the critical problems. Above all, due to the absence of universally applicable anti-collision protocols and the channel capture phenomenon, the medium access control protocols in integrated RFID-WSNs suffer from reader collision and starvation problems. In this paper, we propose an efficient MAC protocol, called EMP, to avoid the above problems in integrated RFID-WSNs. EMP is a CSMA-based MAC protocol which is compatible with sensor networks operating on integrated nodes which consist of an RFID reader and a senor node. EMP resolves not only the reader collision problem, but also the starvation problem using a power control mechanism. To verify the performance of EMP, we compared it with other anti-reader collision MAC protocols using simulations. As a result, the performance of EMP showed improvements in throughput, system efficiency, and energy consumption compared to the single data channel protocols (CSMA/CA, Pulse, and DiCa) in dense deployment environments.


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Cite this article

[IEEE Style]
Doohyun Ko, Bumjin Kim and Sunshin An, "Research on Anti-Reader Collision Protocols for Integrated RFID-WSNs," KSII Transactions on Internet and Information Systems, vol. 4, no. 5, pp. 776-798, 2010. DOI: 10.3837/tiis.2010.10.005

[ACM Style]
Ko, D., Kim, B., and An, S. 2010. Research on Anti-Reader Collision Protocols for Integrated RFID-WSNs. KSII Transactions on Internet and Information Systems, 4, 5, (2010), 776-798. DOI: 10.3837/tiis.2010.10.005