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Paper describes a concentric circular wireless sensor network topology and sensor data retrieving strategy using a mobile sink. A quadcopter acts as a mobile sink. The strategy states how to improve network lifetime by reducing energy consumption of power constrained sensor nodes. It eliminates packet routing and optimizes packet retransmissions by reducing packet error, packet loss and packet collisions...
Deploying the sensor nodes at the best locations for random field reconstruction via sensor network is a fundamental task. One-dimensional random field is a stochastic process. In this paper, we first propose an optimal sensor deployment strategy for Wiener process estimation. The optimal locations for the deployed sensors are uniformly distributed in the field. In addition, we propose a suboptimal...
The aim of this paper is to analyze the path-coverage induced on a one-dimensional path by an area coverage process in a random sensor network and obtain the values in traceability of a wireless sensor network. In addition other measures have also been implemented such as breach and support. The objective of this paper is to estimate the position of a target as a function of time. In knowing that...
In this paper, we present a hormone based tracking strategy called Hormone based Activation (HA) for mobile target tracking in wireless sensor networks inspired by the bio-endocrine system. Hormone messages are used in sensor networks to coordinate sensor nodes for mobile target tracking in a self-adaptive way. Three kinds of hormones are introduced into sensor network for mobile target tracking:...
The reliability goal of wireless sensor network requires the network to be biconnected, so that the failure of one single node will not disturb the connectivity of the whole network. Wireless sensor network with uniform communication power and transmission radius is modeled as planar undirected graph. A search algorithm running in O(n3) polynomial time is proposed to find all the biconnected components...
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