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A deployment strategy of hierarchical structure wireless sensor network. (HSWSN) is studied, HSWSN are composed basic station (BS), relay devices (RNs) and sensors (SNs). In this paper, the mode of system and energy consumption are proposed, the deployment strategy especial relay devices is proposed, and some important such that energy consumption density (ECD), distribution probability of RN consumption...
One of the main problems in wireless sensor networks is the successful coverage of a number of targets lying on a field and at the same time the maximization of the lifetime of the network. Many algorithms have been proposed in the literature in order to find the maximum number of disjoint or non-disjoint sets of sensors (cover sets), where one set can be active at any one time. The complexity of...
It is essential to equip the sensor nodes with simple and efficient coverage boundary detection mechanisms for ensuring the network reliability and providing the required quality of service. The existing coverage boundary detection solutions require accurate knowledge of the sensors locations,which cannot be easily obtained, or they cannot provide guarantees on the coverage quality. Therefore, we...
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