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Content Provider | IEEE Xplore Digital Library |
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Author | Liansheng Tan Yanlin Gong Gong Chen |
Copyright Year | 2008 |
Description | Author affiliation: Res. Sch. of Inf. Sci. & Eng., Australian Nat. Univ., Canberra, ACT (Liansheng Tan) |
Abstract | For wireless sensor networks (WSNs), it is a challenging task how to schedule the energy resource to extend the network lifetime due to the fact that WSNs are usually powered by limited and non-rechargeable battery. A clustering scheme is helpful in reducing the energy consumption by aggregating data at intermediate sensor nodes. In this paper, we propose a balanced parallel k-means based clustering protocol; we term it BPK-means protocol. In this new protocol, we use k-means algorithm to cluster the sensor nodes, the cluster-heads are then selected in terms of two factors, they are a) the distance from node to cluster-center, and b) the residual energy. BPK-means only requires local communications: each tentative cluster-head only communicates with their topologically neighboring nodes and other tentative cluster-heads when achieving a distributed clustering scheme. The algorithm thus has the attractive feature of parallel computations. Moreover, BPK-means further balances the clusters to improve intra-cluster communication consumptions. We present the algorithm of this new protocol, analyze its computing properties, and validate the algorithm by simulations. Both theoretical analyses and simulation results demonstrate that BPK-means can achieve better load-balance and less energy consumptions when compared with LEACH. In addition, the BPK-means protocol is able to distribute energy dissipation evenly among the sensor nodes, which then prolong the system lifetime for the networks significantly. |
Starting Page | 300 |
Ending Page | 305 |
File Size | 384274 |
Page Count | 6 |
File Format | |
ISBN | 9780769533308 |
DOI | 10.1109/SENSORCOMM.2008.45 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2008-08-25 |
Publisher Place | France |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Wireless sensor network K-means clustering algorithm throughput network lifetime |
Content Type | Text |
Resource Type | Article |
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