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COCA: Constructing optimal clustering architecture to maximize sensor network lifetime
Li H.4; Liu Y.4; Chen W.3; Jia W.2; Li B.1; Xiong J.4
2013-02-01
Source PublicationComputer Communications
ISSN01403664
Volume36Issue:3Pages:256-268
Abstract

In wireless sensor networks, clustering is an effective technique to extend the network lifetime. However, in the multi-hop clustering model, if the nodes are uniformly distributed and the clusters are of equal size, the cluster heads closer to the sink have to relay much heavier traffic, leading to the "energy hole" problem. Unequal clustering structures have been proposed to mitigate the "energy hole" problem; but, how to quantify the cluster sizes for the aim of scalability and energy hole avoidance remains as a challenging problem. In this paper, we first investigate the theoretical issues of the unequal clustering strategy in uniformly distributed sensor networks. We then propose a method to construct optimal clustering architecture to minimize the total energy consumption of all sensor nodes. Furthermore, we design simple but effective and distributed protocols for energy-aware cluster-head rotation and routing that achieve even energy consumption among all nodes. Extensive simulations show that the performance of our approach extends the network lifetime in two to three times of the one achieved in the best-so-far unequal clustering-based routing. © 2012 Elsevier B.V. All rights reserved.

KeywordEnergy Efficiency Network Lifetime Unequal Clustering Wireless Sensor Network
DOI10.1016/j.comcom.2012.10.006
URLView the original
Indexed BySCI
WOS Research AreaComputer Science ; Engineering ; Telecommunications
WOS SubjectComputer Science, Information Systems ; Engineering, Electrical & Electronic ; Telecommunications
WOS IDWOS:000315362600002
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Cited Times [WOS]:51   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionPersonal research not belonging to the institution
Affiliation1.South-Central University for Nationalities
2.City University of Hong Kong
3.University of Pennsylvania
4.Beihang University
Recommended Citation
GB/T 7714
Li H.,Liu Y.,Chen W.,et al. COCA: Constructing optimal clustering architecture to maximize sensor network lifetime[J]. Computer Communications,2013,36(3):256-268.
APA Li H.,Liu Y.,Chen W.,Jia W.,Li B.,&Xiong J..(2013).COCA: Constructing optimal clustering architecture to maximize sensor network lifetime.Computer Communications,36(3),256-268.
MLA Li H.,et al."COCA: Constructing optimal clustering architecture to maximize sensor network lifetime".Computer Communications 36.3(2013):256-268.
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