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| Energy Consumption Analysis and Improvement Strategy for ClusterHead Rotation in Wireless Sensor Networks |
| DENG Han-Lin, LI Lei, HUANG He-Qing, YUAN Xiao-Bing, WANG Ying-Guan |
| (Key Laboratory of Wireless Sensor Networks and Communications, Shanghai Institute of Microsystems and Information Technology of Chinese Academy of Sciences, Shanghai 200050, China) |
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Abstract To design a more energyefficient cluster head rotation (CHR) strategy for wireless sensor networks, this paper built an analytical model for the energy consumption of contentionbased CHR, analyzed the energy consumption ratio between data gathering and CHR, and proposed a schedulebased CHR, which could remove the energy consumption in CHR. The simulation results show that the schedulebased CHR obviously improves energy efficiency and energy consumption balance in the cluster.
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Received: 19 March 2010
Published: 30 March 2011
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