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Erschienen in:
2011 | OriginalPaper | Buchkapitel
On Cardinality Estimation Protocols for Wireless Sensor Networks
verfasst von : Jacek Cichoń, Jakub Lemiesz, Marcin Zawada
Erschienen in: Ad-hoc, Mobile, and Wireless Networks
Verlag: Springer Berlin Heidelberg
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In this article we address the problem of estimating a size of wireless sensor networks (WSNs). We restrict our attention to sensors with very limited storage capabilities. The problem arises when sensors have to quickly obtain approximate size of the network to use algorithms which require such information. Another application area is the problem of counting the number of different objects (e.g. people in public bus transportation) and use of such information to optimize the routes and frequency of buses. In this paper we present two-phase probabilistic algorithm based on order statistics and balls-bins model which effectively solves the presented problem.