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In this paper, we study a novel coverage problem where each target has differentiated coverage quality requirement in directional sensor network. Since extending network lifetime is a very important issue in directional sensor network, we address the Maximal Network Lifetime Scheduling Problem (MNLS) which organizes the directions of sensors into a group of non-disjoint cover sets. One cover set which...
Broadcasting/Multicasting problems have been well studied in wireless ad hoc networks. However, only a few approaches take into account the low interference and energy efficiency as the optimization objective simultaneously. In this paper, we study the interference and power constrained broadcast/multicast and the delay-bounded interference and power constrained broadcast/multicast routing problems...
In this paper, we consider the problem of topology control by joint power control and routing to maximize the network throughput in wireless mesh networks. First, we present two mathematical formulations of the joint power control and routing problem according to two different definitions of network throughput: the total throughput and the minimal per-node throughput. To reduce the computation cost,...
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