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In a Wireless sensor network, considering the limited power of sensors battery, it is possible for nodes to damage during spreading for a large number of nodes. In such a network, the nodes are energy constrained and cannot be recharged again. Therefore, it is clear that the optimal protocols are required to reduce the energy consumption and increase the lifetime. One of the methods in this area is...
Coverage and connectivity are two important performance evaluation indices for wireless sensor network (WSNs). In this paper, we focus on the connected target k-coverage (CTCk) problem in heterogeneous wireless sensor networks (HWSNs). A distributed connected target k-coverage algorithm (DCTCk) is proposed in order to generate connected cover sets for energy efficient connectivity and coverage maintenance...
Due to limitations on transmission power of wireless devices, areas with sparse nodes are decisive to some extreme properties of network topology. In this paper, we assume wireless ad hoc and sensor networks are represented by uniform point processes or Poisson point processes. Asymptotic analyses based on minimum scan statistics are given for some crucial network properties, including coverage of...
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