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Backbone formation in wireless sensor networks
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DOI：10.1016/j.sna.2012.06.032.png)
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Abstract
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This paper models the delay-bounded energy-efficient backbone formation problem in wireless sensor network (WSN) as the degree-constrained minimum weight connected dominating set (CDS) problem, where the residual energy is assumed as the node weight. Then, a distributed algorithm based on learning automata is designed to construct the network backbone by solving the proxy equivalent CDS-based problem. The proposed method seeks for a trade-off between the backbone transmission delay and the backbone lifetime. Several simulation experiments are conducted to investigate the efficiency of the proposed backbone formation algorithm. Numerical results show that the proposed method is superior to the other methods in terms of the backbone lifetime, transmission delay, backbone size, and control message overhead. (C) 2012 Elsevier B.V. All rights reserved.
Keywords:
CDS problem
WSN
Network virtual backbone
Learning automata
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