Mobile Information Systems

Mobile Information Systems / 2010 / Article

Open Access

Volume 6 |Article ID 651589 | 22 pages | https://doi.org/10.3233/MIS-2010-0097

Sensor Relocation for Emergent Data Acquisition in Sparse Mobile Sensor Networks

Received10 Jun 2010
Accepted10 Jun 2010

Abstract

In this paper, we study the problem of sensor relocation for emergent data acquisition (initiated by a base station) in sparse mobile sensor networks. We propose a distributed scheme called BRIDGE that relocates mobile sensors to fulfill an emergent data acquisition task with the objective to minimize the task completion time. BRIDGE gradually finds a sensor that is close to the task location and relocates that sensor to the task location, and at the same time relocates some other sensors to connect that sensor to the base station. BRIDGE exploits the encountered sensors during relocation, and handles the challenges caused by intermittent connections. Our extensive performance study shows the effectiveness of our proposed scheme.

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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