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Sensors 2009, 9(12), 9666-9688; doi:10.3390/s91209666
Article

Data Centric Sensor Stream Reduction for Real-Time Applications in Wireless Sensor Networks

1,*  and 2
Received: 13 October 2009 / Revised: 9 November 2009 / Accepted: 13 November 2009 / Published: 2 December 2009
(This article belongs to the Special Issue Sensor Algorithms)

Abstract

This work presents a data-centric strategy to meet deadlines in soft real-time applications in wireless sensor networks. This strategy considers three main aspects: (i) The design of real-time application to obtain the minimum deadlines; (ii) An analytic model to estimate the ideal sample size used by data-reduction algorithms; and (iii) Two data-centric stream-based sampling algorithms to perform data reduction whenever necessary. Simulation results show that our data-centric strategies meet deadlines without loosing data representativeness.
Keywords: sensor-stream reduction algorithms; wireless sensor network; data-centric routing algorithm sensor-stream reduction algorithms; wireless sensor network; data-centric routing algorithm
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Aquino, A.L.L.; Nakamura, E.F. Data Centric Sensor Stream Reduction for Real-Time Applications in Wireless Sensor Networks. Sensors 2009, 9, 9666-9688.

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