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MaCARI : une méthode d'accès déterministe et économe en énergie pour les réseaux de capteurs sans fil

Abstract : A wireless sensor network is a set of small communicating nodes that consume very little energy. Some applications require wireless sensor networks to be energy efficient to extend the lifetime of the network, others require deterministic behavior that usually results in bounded endtoend delays and/or frame loss rate below a critical threshold. To save significant energy, an entity must be put into sleep mode. During this period, it will be inactive thus unable to participate in network activity. The use of sleep periods is a handicap for the deterministic aspect as well as for the respect of delay constraints. The work of this thesis focuses on the specification, development and evaluation in different forms of a deterministic medium access mechanism adaptable to the quality of service requirements such as the absence of collisions and the guarantee of a bounded endtoend delay, while maintaining low energy consumption behavior. The proposed solution is based on temporal segmentation of the activities of the nodes, multihop synchronization and service differentiation based on two routing strategies.
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https://tel.archives-ouvertes.fr/tel-00724590
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Submitted on : Tuesday, August 21, 2012 - 4:51:28 PM
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  • HAL Id : tel-00724590, version 1

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Gérard Chalhoub. MaCARI : une méthode d'accès déterministe et économe en énergie pour les réseaux de capteurs sans fil. Réseaux et télécommunications [cs.NI]. Université Blaise Pascal - Clermont-Ferrand II, 2009. Français. ⟨NNT : 2009CLF21988⟩. ⟨tel-00724590⟩

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