Preprint Article Version 1 This version not peer reviewed

A Twofold Sink Based Data Collection for Continuous Object Tracking in Wireless Sensor Network

Version 1 : Received: 25 May 2017 / Approved: 26 May 2017 / Online: 26 May 2017 (04:58:00 CEST)

How to cite: Chauhdary, S.H.; Hassan, A.; Alqarni, M.A.; Alamri, A. A Twofold Sink Based Data Collection for Continuous Object Tracking in Wireless Sensor Network. Preprints 2017, 2017050190 (doi: 10.20944/preprints201705.0190.v1). Chauhdary, S.H.; Hassan, A.; Alqarni, M.A.; Alamri, A. A Twofold Sink Based Data Collection for Continuous Object Tracking in Wireless Sensor Network. Preprints 2017, 2017050190 (doi: 10.20944/preprints201705.0190.v1).

Abstract

Continuous object tracking in WSNs, such as monitoring of mud-rock flows, forest fires etc., is a challenging task due to characteristic nature of continuous objects. They can appear randomly in the network field, move continuously, and can change in size and shape. Monitoring such objects in real-time generally require tremendous amount of messaging between sensor nodes to synergistically estimate object’s movement and track its location. In this paper, we propose a novel twofold-sink mechanism, comprising of a mobile and a static sink node. Both sink nodes gather information about boundary sensor nodes, which is then used to uniformly distribute energy consumption across all network nodes, thus helping in saving residual energy of network nodes. Numerous object tracking schemes, using mobile sink, have been proposed in the literature. However, existing schemes employing mobile sink cannot be applied to track continuous objects, because of momentous variation of network topology. Therefore, we present in this paper a mechanism, transformed from K-means algorithm, to find the best sensing location of the mobile sink node. It helps to reduce transmission load on the intermediate network nodes situated between static sink node and the ordinary network sensing nodes. The simulation results show that the proposed scheme can distinctly improve life time of the network, compared to one-sink protocol employed in continuous object tracking.

Subject Areas

wireless sensor network; object tracking; dual sink; data collection

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