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dc.contributor.authorKumar, P.
dc.contributor.authorChaturvedi, A.
dc.date.accessioned2020-03-31T08:41:56Z-
dc.date.available2020-03-31T08:41:56Z-
dc.date.issued2016
dc.identifier.citationInternational Journal of Communication Systems, 2016, Vol.29, 8, pp.1439-1450en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/12658-
dc.description.abstractDepending upon sensing attributes, wireless sensor networks (WSNs) are classified as event driven, time driven, and query driven. In a given surveillance area, approximation of query generation process using uniform probability mass function (PMF) model seems to be reasonable in aggregate terms based on observations extracted from lifetime span of WSNs. However, owing to random generation aspects of query and the associated temporal variations, the Poisson distribution-based model appears to be more appropriate to resemble the realistic query generation pattern. Invariably, in all the sensor network architectures, the energy management requires an important consideration owing to limited energy resources. For the optimal utilization of energy resources, we propose fuzzy c-means (FCM) algorithm to form clusters in a hierarchical network configuration. Network performance is measured in terms of key performance measures, namely, average residual energy status, critical residual energy status (CRES), and number of network nodes that attain the CRES mark. These performance measures are estimated and analyzed for three different PMF models of query generation namely Uniform, Gaussian and Poisson. The merit of deploying FCM algorithm in terms of maintaining much better energy profile of the entire network is discussed. Copyright 2016 John Wiley & Sons, Ltd.en_US
dc.titleProbabilistic query generation and fuzzy c -means clustering for energy-efficient operation in wireless sensor networksen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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