Performance of a data gather scheme with novel chain construction for wireless sensor networks

Authors:
Yung-Fa Huang;Chin-Ling Chen;Neng-Chung Wang;Jen-Yung Lin;Ching-Mu Chen
Affiliations:
Chaoyang University of Technology, Taiwan;Chaoyang University of Technology, Taiwan;National Unite University, Taiwan;Da-Yeh University, Changhua, Taiwan;Chung Chou Institute of Technology, Taiwan
Venue:
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
Year:
2010

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Abstract

The energy efficiency and balancing energy dissipation are important issues for the data gather schemes in WSNs. In this paper, we propose Grid-PEGASIS to improve the performance of chain-based scheme on these two issues. The proposed Grid-PEGASIS divides the sensing area into several small Grid areas to reduce the hop variance of a sensing area chain. With the smallest hop variance, Grid-PEGASIS balances the energy consumption for nodes. Approximated analysis and simulation results show that the Grid-PEGASIS can largely prolong the network lifetimes of the first 1%, 5% and 25% nodes running out of energy.