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We propose a phased waking three dimensional coverage scheme based on hibernation of redundant nodes for the limited energy of nodes and redundancy in wireless sensor networks. A large number of sensor nodes are randomly deployed in the monitoring region and the redundant nodes can hibernate which will be waken by phases after the on-duty nodes are exhausted. Each node??s state can be determined at...
Sensing is one of the fundamental functions of wireless sensor networks. Sensor networks are designed to conduct monitoring of physical or environmental conditions, such as temperature, sound, vibration, pressure, motion, or pollutants, at different locations. Some sensor applications require each point in the region to be covered by multiple sensors (k-coverage) to ensure full Quality of service...
Sink mobility has become an increasingly important requirement of various sensor network applications. Handling such mobile sink conditions brings new challenges to large-scale sensor networking. This investigation proposed a hybrid-structure routing protocol (HSRP) that combines the benefits of grid-based and cluster-based structures. Grid-based structure is designed to solve the cluster head selection...
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