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Sensors 2011, 11(7), 7004-7021; doi:10.3390/s110707004

Energy Efficient In-network RFID Data Filtering Scheme in Wireless Sensor Networks

Department of Computer and Radio Communication Engineering, Korea University, Seoul 136-713, Korea
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Received: 15 March 2011 / Revised: 23 June 2011 / Accepted: 25 June 2011 / Published: 6 July 2011
(This article belongs to the Section Physical Sensors)
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Abstract

RFID (Radio frequency identification) and wireless sensor networks are backbone technologies for pervasive environments. In integration of RFID and WSN, RFID data uses WSN protocols for multi-hop communications. Energy is a critical issue in WSNs; however, RFID data contains a lot of duplication. These duplications can be eliminated at the base station, but unnecessary transmissions of duplicate data within the network still occurs, which consumes nodes’ energy and affects network lifetime. In this paper, we propose an in-network RFID data filtering scheme that efficiently eliminates the duplicate data. For this we use a clustering mechanism where cluster heads eliminate duplicate data and forward filtered data towards the base station. Simulation results prove that our approach saves considerable amounts of energy in terms of communication and computational cost, compared to existing filtering schemes. View Full-Text
Keywords: RFID data filtering; energy-efficiency in WSN; in-network data processing; integration of RFID with WSN; redundant readers RFID data filtering; energy-efficiency in WSN; in-network data processing; integration of RFID with WSN; redundant readers
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Bashir, A.K.; Lim, S.-J.; Hussain, C.S.; Park, M.-S. Energy Efficient In-network RFID Data Filtering Scheme in Wireless Sensor Networks. Sensors 2011, 11, 7004-7021.

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