Querying sensor fields by using quadtree based dynamic clusters and task sets

Authors:
Caghan Cimen;Erdal Cayirci;Vedat Coskun
Affiliations:
Naval Science and Engineering Institute, Turkish Naval Academy, Istanbul, Turkey;Combat Models Ops. Department, Turkish War Colleges, Istanbul, Turkey;Naval Science and Engineering Institute, Turkish Naval Academy, Istanbul, Turkey
Venue:
MILCOM'03 Proceedings of the 2003 IEEE conference on Military communications - Volume I
Year:
2003

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Abstract

In this paper a dynamic clustering scheme is introduced where a task set of sensors is formed for each task by using quadtree based addressing. The number of nodes in a task set depends on the task specifications. Hence, the sensed data is retrieved from a sensor field in the level of detail specified by users. Experiments show that quadtree based dynamic clustering scheme reduces the number of sensors involved in a query in the orders of magnitude.