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Adequate coverage is one of the main problems for sensor networks. The effectiveness of distributed wireless sensor networks highly depends on the sensor deployment scheme. Given a finite number of sensors, optimizing the sensor deployment will provide sufficient sensor coverage and save power of sensors for movement to target location to adequate coverage. In many working environments, for getting...
In most of the wireless sensor and actor network (WSAN) applications, the locations for the actors are determined autonomously by the collaboration of actors and/or sensors in order to eliminate human intervention as much as possible. Particularly, sensors can collaborate in a distributed manner and elect cluster-heads (CHs) among them based on certain criteria. The actors can then move to such CH...
We consider a wireless sensor network with n sensor nodes. The sensed data needs to be transferred in a multi-hop fashion to a common processing center. We consider the standard data sampling/sensing scheme where the sensor nodes have a sampling process independent of the transmission scheme. In this paper, we study the problem of optimizing the end-to-end delay in a multi-hop single-sink wireless...
A Sensor network is a sensing, computing and communication infrastructure that allows us to instrument, observe, and respond to phenomena in the physical and cyber infrastructure. As sensors are typically battery operated, it is important to efficiently use the limited energy of the nodes to extend the lifetime of the sensor network. Several anomalies can occur in wireless sensor networks that impair...
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