Low energy adaptive clustering hierarchy with deterministic cluster-head selection
Matthias HandyInstitute of Applied Microelectronics and Computer Science, University of Rostock, Rostock, GermanyMarc HaaseInstitute of Applied Microelectronics and Computer Science, University of Rostock, Rostock, GermanyDirk TimmermannInstitute of Applied Microelectronics and Computer Science, University of Rostock, Rostock, Germany
2003en
ABI
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This paper focuses on reducing the power consumption of wireless microsensor networks. Therefore, a communication protocol named LEACH (low-energy adaptive clustering hierarchy) is modified. We extend LEACH's stochastic cluster-head selection algorithm by a deterministic component. Depending on the network configuration an increase of network lifetime by about 30% can be accomplished. Furthermore, we present a new approach to define lifetime of microsensor networks using three new metrics FND (First Node Dies), HNA (Half of the Nodes Alive), and LND (Last Node Dies).
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