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Fault tolerance in data gathering wireless sensor networks

Huang, Guangyan, Zhang, Yanchun, He, Jing and Cao, Jie 2011, Fault tolerance in data gathering wireless sensor networks, Computer journal, vol. 54, no. 6, pp. 976-987, doi: 10.1093/comjnl/bxr027.

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Title Fault tolerance in data gathering wireless sensor networks
Author(s) Huang, Guangyan
Zhang, Yanchun
He, Jing
Cao, Jie
Journal name Computer journal
Volume number 54
Issue number 6
Start page 976
End page 987
Total pages 12
Publisher Oxford University Press
Place of publication Oxford, Eng.
Publication date 2011-06
ISSN 0010-4620
1460-2067
Summary In data gathering wireless sensor networks, data loss often happens due to external faults such as random link faults and hazard node faults, since sensor nodes have constrained resources and are often deployed in inhospitable environments. However, already known fault tolerance mechanisms often bring new internal faults (e.g. out-of-power faults and collisions on wireless bandwidth) to the original network and dissipate lots of extra energy and time to reduce data loss. Therefore, we propose a novel Dual Cluster Heads Cooperation (CoDuch) scheme to tolerate external faults while introducing less internal faults and dissipating less extra energy and time. In CoDuch scheme, dual cluster heads cooperate with each other to reduce extra costs by sending only one copy of sensed data to the Base Station; also, dual cluster heads check errors with each other during the collecting data process. Two algorithms are developed based on the CoDuch scheme: CoDuch-l for tolerating link faults and CoDuch-b for tolerating both link faults and node faults; theory and experimental study validate their effectiveness and efficiency. © 2010 The Author Published by Oxford University Press on behalf of The British Computer Society. All rights reserved.
Language eng
DOI 10.1093/comjnl/bxr027
Field of Research 08 Information And Computing Sciences
080504 Ubiquitous Computing
Socio Economic Objective 970108 Expanding Knowledge in the Information and Computing Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2011, Oxford University Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083657

Document type: Journal Article
Collection: School of Information Technology
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