Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/9142
Title: An energy-efficient protocol for data gathering and aggregation in wireless sensor networks
Authors: Liu, M
Cao, J 
Zheng, Y
Gong, H
Wang, X
Keywords: Data gathering and aggregation
Intra-cluster coverage
Wireless sensor networks
Issue Date: 2008
Source: Journal of supercomputing, 2008, v. 43, no. 2, p. 107-125 How to cite?
Journal: Journal of Supercomputing 
Abstract: Data gathering is a major function of many applications in wireless sensor networks (WSNs). The most important issue in designing a data gathering algorithm is how to save energy of sensor nodes while meeting the requirement of applications/users such as sensing area coverage. In this paper, we propose a novel hierarchical clustering protocol (DEEG) for long-lived sensor network. DEEG achieves a good performance in terms of lifetime by minimizing energy consumption for in-network communications and balancing the energy load among all the nodes, the proposed protocol achieves a good performance in terms of network lifetime. DEEG can also handle the energy hetergenous capacities and guarantee that out-network communications always occur in the subregion with high energy reserved. Furthermore, it introduces a simple but efficient approach to cope with the area coverage problem. We evaluate the performance of the proposed protocol using a simple temperature sensing application. Simulation results show that our protocol significantly outperforms LEACH and PEGASIS in terms of network lifetime and the amount of data gathered.
URI: http://hdl.handle.net/10397/9142
ISSN: 0920-8542
DOI: 10.1007/s11227-007-0122-8
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