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dc.contributor.authorAquino, André Luiz Lins de-
dc.contributor.authorOliveira, Ricardo Augusto Rabelo-
dc.contributor.authorWanner, Elizabeth Fialho-
dc.date.accessioned2012-08-02T16:58:12Z-
dc.date.available2012-08-02T16:58:12Z-
dc.date.issued2010-
dc.identifier.citationAQUINO, A. L. L. de ; OLIVEIRA, R. A. R.; WANNER, E. F. A wavelet-based sampling algorithm for wireless sensor networks applications. In: 25th ACM Symposium on Applied Computing (SAC 2010), 25., 2010. Switzerland. Anais...Switzerland: 25th ACM Symposium on Applied computing, 2010. p.1-5. Disponível em: http://homepages.dcc.ufmg.br/~alla/sac_10.pdf. Acesso em 01/08/2012.pt_BR
dc.identifier.urihttp://www.repositorio.ufop.br/handle/123456789/1228-
dc.description.abstractThis work proposes and evaluates a sampling algorithm based on wavelet transforms with Coiflets basis to reduce the data sensed in wireless sensor networks applications. The Coiflets basis is more computationally efficient when data are smooth, which means that, data are well approximated by a polynomial function. As expected, this algorithm reduces the data traffic in wireless sensor network and, consequently, decreases the energy consumption and the de-lay to delivery the sensed information. The main contribution of this algorithm is the capability to detect some event by adjusting the sampling dynamically. In order to evaluate the algorithm, we compare it with a static sampling strategy considering a real sens-ing data where an external event is simulated. The results reveal the efficiency of the proposed method by reducing the data with-out loosing its representativeness, including when some event oc-curs. This algorithm can be very useful to design energy-efficient and time-constrained sensor networks when it is necessary to detect some event.pt_BR
dc.language.isoen_USpt_BR
dc.subjectWalveletspt_BR
dc.subjectSampling algorithmspt_BR
dc.subjectWireless sensor networkpt_BR
dc.titleA wavelet-based sampling algorithm for wireless sensor networks applications.pt_BR
dc.typeTrabalho apresentado em eventopt_BR
Appears in Collections:DECOM - Trabalhos apresentados em eventos

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