Titlebook: Wireless Sensor and Actor Networks II; Proceedings of the 2 Ali Miri Conference proceedings 2008 Springer-Verlag US 2008 Protection.artific

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Extending Network Life by Using Mobile Actors in Cluster-based Wireless Sensor and Actor Networks,aphical location with respect to their associated cluster heads such that the overall energy consumption is minimized. The simulation results demonstrate that the technique proposed in this paper significantly minimizes energy consumption and extends the network lifetime compared with traditional cluster-based WSN deployments.

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Non-Custodial Multicast over the DTN-Prophet Protocol,he region where mobile nodes are is given, which can be used by the multicast protocol to decide where to forward messages. Additionally, we show that if the number of contacts between nodes is above a minimum threshold, a pseudo multicast tree will exist, multicast works efficiently and message replications are minimized.

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HERO: Hierarchical kEy management pRotocol for heterOgeneous wireless sensor networks,re-loaded keys assigned to each node while maintaining high security level at the same time. The preliminary simulation results using TOSSIM demonstrates that our scheme outperforms existing ones with respect to storage overhead.