Volume 8 Number 10 (Oct. 2013)
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JSW 2013 Vol.8(10): 2660-2667 ISSN: 1796-217X
doi: 10.4304/jsw.8.10.2660-2667

LEACH-G: an Optimal Cluster-heads Selection Algorithm based on LEACH

Hongwei Chen, Chunhua Zhang, Xinlu Zong, Chunzhi Wang
School of Computer Science, Hubei University of Technology, Wuhan, China

Abstract—As a classic clustering algorithm, LEACH is widely used in wireless sensor networks. Due to the random cluster head selection process, LEACH does not guarantee optimization for the number and position of cluster heads. In order to further optimize LEACH, an optimal energyefficient cluster-heads selection algorithm LEACH-G for LEACH protocol is presented. We calculate the optimal number of cluster heads based on energy model for LEACH algorithm, and further set forth on LEACH-G algorithm for optimal cluster heads. We use NS2 simulation platform to compare LEACH-G with LEACH. By calculating the optimal number of cluster-heads, the energy consumption of the sensor nodes in LEACH-G algorithm can be more evenly distributed in the wireless sensor networks to avoid too much energy consumption of single node to untimely death, which affect the network life cycle. Compared with LEACH protocol, the simulation results demonstrate that LEACH-G algorithm can effectively reduce the energy consumption and increase the system lifetime.

Index Terms—WSN, LEACH, Cluster head.

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Cite: Hongwei Chen, Chunhua Zhang, Xinlu Zong, Chunzhi Wang, "LEACH-G: an Optimal Cluster-heads Selection Algorithm based on LEACH," Journal of Software vol. 8, no. 10, pp. 2660-2667, 2013.

General Information

ISSN: 1796-217X (Online)
Frequency: Monthly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsw@iap.org
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