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2011 International Conference on Distributed Computing in Sensor Systems and Workshops
Deployment-aware energy model for operator placement in sensor networks
Barcelona
June 27-June 29
ISBN: 978-1-4577-0512-0
F. J. Villanueva, Dept. of Inf. Technol. & Syst., Univ. of Castilla-La Mancha, Ciudad Real, Spain
M. Daum, Dept. of Comput. Sci., Univ. of Erlangen, Erlangen, Germany
M. Strube, Dept. of Comput. Sci., Univ. of Erlangen, Erlangen, Germany
J. C. Lopez, Dept. of Inf. Technol. & Syst., Univ. of Castilla-La Mancha, Ciudad Real, Spain
R. Kapitza, Dept. of Comput. Sci., Univ. of Erlangen, Erlangen, Germany
F. Dressler, Inst. of Comput. Sci., Univ. of Innsbruck, Innsbruck, Austria
Query processing has become one of the main paradigms to approach information processing in Wireless Sensor Networks (WSNs). We study and identify relevant factors involved in in-network query deployment in WSNs. As a key outcome, we developed a deployment aware cost estimation model for distributing operators to nodes within the network using the network lifetime as a key metric. In contrast to related approaches, we include the state of each node in the cost model. This provides means for an automatic load balancing mechanism that allows us to insert a higher number of queries compared to other approaches, thus, significantly extending the network lifetime.
Index Terms:
automatic load balancing, deployment-aware energy model, operator placement, query processing, information processing, wireless sensor network, WSN, in-network query deployment, deployment aware cost estimation model, distributing operator, network lifetime, cost model
Citation:
F. J. Villanueva, M. Daum, M. Strube, J. C. Lopez, R. Kapitza, F. Dressler, "Deployment-aware energy model for operator placement in sensor networks," dcoss, pp.1-6, 2011 International Conference on Distributed Computing in Sensor Systems and Workshops, 2011
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