Abstract
In this paper, a fully distributed spatial index tree (FDSI-tree) is proposed for efficient & power-aware range queries in sensor networks. The proposed technique is a new approach for range queries that uses spatial indexing. Range queries are most often encountered under sensor networks for computing aggregation values. However, previous works just addressed the importance but didn’t provide any efficient technique for processing range queries. A FDSI-tree is thus designed for efficiently processing them. Each node in the sensor network has the MBR of the region where its children nodes and the node itself are located. The range query is evaluated over the region which intersects the geographic location of sensors. It ensures the maximum power savings by avoiding the communication of nodes not participating over the evaluation of the query.
This research was supported by the MIC (Ministry of Information and Communication), Korea, under the ITRC (Information Technology Research Center) support program supervised by the IITA (Institute of Information Technology Assessment).
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Eo, S.H., Pandey, S., Kim, MK., Oh, YH., Bae, HY. (2006). FDSI-Tree: A Fully Distributed Spatial Index Tree for Efficient & Power-Aware Range Queries in Sensor Networks. In: Wiedermann, J., Tel, G., Pokorný, J., Bieliková, M., Štuller, J. (eds) SOFSEM 2006: Theory and Practice of Computer Science. SOFSEM 2006. Lecture Notes in Computer Science, vol 3831. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11611257_23
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DOI: https://doi.org/10.1007/11611257_23
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