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van Hoesel, L.F.W. and Erman-Tüysüz, A. and Havinga, P.J.M. (2009) Combined Coverage Area Reporting and Geographical Routing in Wireless Sensor-Actuator Networks for Cooperating with Unmanned Aerial Vehicles. In: Third ERCIM Workshop On eMobility, 27-28 May 2009, Enschede, The Netherlands. pp. 43-54. CTIT Workshop Proceedings (WP 09-03). Centre for Telematics and Information Technology University of Twente. ISSN 1574-0846 ISBN 978-90-365-2846-7
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In wireless sensor network (WSN) applications with multiple gateways, it is key to route location dependent subscriptions efficiently at two levels in the system. At the gateway level, data sinks must not waste the energy of the WSN by injecting subscriptions that are not relevant for the nodes in their coverage area and at WSN level, energy-efficient delivery of subscriptions to target areas is required. In this paper, we propose a mechanism in which (1) the WSN provides an accurate and up-to-date coverage area description to gateways and (2) the wireless sensor network re-uses the collected coverage area information to enable efficient geographical routing of location dependent subscriptions and other messages. The latter has a focus on routing of messages injected from sink nodes to nodes in the region of interest. Our proposed mechanisms are evaluated in simulation.
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