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SERENA: SchEduling RoutEr Nodes Activity in wireless ad hoc and sensor networks

Pascale Minet 1 Saoucene Mahfoudh 1 
1 HIPERCOM - High performance communication
Inria Paris-Rocquencourt, UP11 - Université Paris-Sud - Paris 11, Inria Saclay - Ile de France, X - École polytechnique, CNRS - Centre National de la Recherche Scientifique : UMR
Abstract : In wireless ad hoc and sensor networks, the best way for a node to spare energy is to sleep. In this paper, we propose SERENA, a solution to allow router nodes to sleep in such a way that the basic network functionality, i.e. end-to-end communication, is always ensured. SERENA is based on distributed and localized two-hop coloring. The node's color is then mapped in time slots. Each node is ensured to get at least one time slot, it also gets additional time slots proportionally to its traffic rate. Such a solution adapts to varying traffic rates and supports late node arrivals. A performance evaluation allows us to compare our coloring algorithm with existing ones. We show that with SERENA, the network lifetime is maximized as well as the amount of user data delivered. Moreover, energy is used more efficiently: less energy is dissipated in interferences.
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Submitted on : Wednesday, February 24, 2010 - 11:31:06 AM
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Pascale Minet, Saoucene Mahfoudh. SERENA: SchEduling RoutEr Nodes Activity in wireless ad hoc and sensor networks. 2008 International Wireless Communications and Mobile Computing Conference -IWCMC 2008, IEEE, Aug 2008, Crete, Greece. ⟨10.1109/IWCMC.2008.89⟩. ⟨inria-00459528⟩



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