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The prevalence of the small-world phenomenon in numerous efficient networks, such as social networks, Internet, nervous systems, implies that small-worlds are an evolutionary solution for locally growing networks. These networks require short communication distances between their nodes in spite of their potentially large network diameter but at the same time are robust against randomly occurring failures...
Energy efficiency is a primordial issue in the wireless sensor networks. This is achieved by deactivating nodes when possible. In this paper we describe the MAC protocol MaCARI that synchronizes nodes in order to schedule active and inactive periods. MaCARI divides time into three periods: a synchronization period, a scheduled activities period where communications are constrained by a tree and an...
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