Optimization analysis of cluster numbers in ad-hoc wireless sensor networks

Authors:
Tung-Jung Chan;Ching-Mu Chen;Yung-Fa Huang;Jen-Yung Lin;Tair-Rong Chen
Affiliations:
Dept., of Electrical Eng., National Changhua Univ., of Education, Changhua City, Taiwan, R.O.C. and Dept., of Electrical Eng., Chung Chou Institute of Technology, Yuanlin Township, Changhua County ...;Dept., of Electrical Eng., National Changhua Univ., of Education, Changhua City, Taiwan, R.O.C. and Dept., of Computer Science and Information Eng., Chung Chou Institute of Technology, Yuanlin Tow ...;Graduate Institute of Networking and Communication Engineering, Chaoyang University of Technology, Wufong Township Taichung County, Taiwan, R.O.C.;Department of Computer Science and Information Engineering, Dayeh University, Changhua, Taiwan, Taiwan, R.O.C.;Department of Electrical Engineering, National Changhua University of Education, Changhua City, Taiwan, R.O.C.
Venue:
ICCOM'08 Proceedings of the 12th WSEAS international conference on Communications
Year:
2008

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Abstract

In wireless sensor network, the clustering-based routing protocol is well-known especially the low energy adaptive cluster hierarchy (LEACH) and its energy performance is improved due to the scheme of clutering, probability, and random. The clustering-based routing protocol has sensor nodes organized themself with predertermined variable p to form clusters. With the predetermined p variable and probability, every round has different cluster numbers. In order to evenly dissipate nodes' energy, this paper proposes a fixed optimal cluster (FOC) numbers that is to use the optimal cluster number to form clusters. However, by the optimization analysis of clusters for the ad-hoc wireless sensor network, the optimal cluster numbers is then applied and the simulation results show the entire network lifetime can be extended very well.