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Energy-efficient fault-tolerant dynamic event region detection in wireless sensor networks
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Architecture and Computer Communication. (CoRe)ORCID iD: 0000-0001-6581-314X
2015 (English)In: Proc. 81st IEEE Vehicular Technology Conference, IEEE conference proceedings, 2015Conference paper (Refereed)
Abstract [en]

Fault-tolerant event detection is fundamental to wireless sensor network applications. Existing approaches usually adopt neighborhood collaboration for better detection accuracy,while need more energy consumption due to communication.Focusing on energy efficiency, this paper makes an improvement to a hybrid algorithm for dynamic event region detection, such asreal-time tracking of chemical leakage regions. Considering the characteristics of the moving away dynamic events, we propose areturn back condition for the hybrid algorithm from distributed neighborhood collaboration, in which a node makes its detection decision based on decisions received from its spatial and temporal neighbors, to local non-communicative decision making. The simulation results demonstrate that the improved algorithm doesnot degrade the detection accuracy of the original algorithm,while it has better energy efficiency with the number of messages exchanged in the network decreased.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015.
, IEEE Vehicular Technology Conference Proceedings, ISSN 1550-2252
National Category
Computer Systems
URN: urn:nbn:se:uu:diva-254427ISI: 000371404700229ISBN: 9781479980895OAI: oai:DiVA.org:uu-254427DiVA: diva2:818194
2015 IEEE 81st Vehicular Technology Conference: VTC2015-Spring 11–14 May 2015, Glasgow, Scotland
Available from: 2015-06-08 Created: 2015-06-08 Last updated: 2016-07-13Bibliographically approved

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