Distributed Network Configuration for Wavelet-Based Compression in Sensor Networks

Tarrío Alonso, Paula; Valenzis, Giuseppe; Shen, Godwin y Ortega, Antonio (2009). Distributed Network Configuration for Wavelet-Based Compression in Sensor Networks. En: "3rd International Conference on Geosensor Networks", 13/07/2009 - 14/07/2009, Oxford, Reino Unido. ISBN 978-3-642-02903-5.

Descripción

Título: Distributed Network Configuration for Wavelet-Based Compression in Sensor Networks
Autor/es:
  • Tarrío Alonso, Paula
  • Valenzis, Giuseppe
  • Shen, Godwin
  • Ortega, Antonio
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: 3rd International Conference on Geosensor Networks
Fechas del Evento: 13/07/2009 - 14/07/2009
Lugar del Evento: Oxford, Reino Unido
Título del Libro: Proceedings of 3rd International Conference on Geosensor Networks
Fecha: 2009
ISBN: 978-3-642-02903-5
Volumen: 5659
Materias:
Palabras Clave Informales: In-network compression - wavelet lifting - distributed routing algorithms - collection tree protocol - shortest path tree
Escuela: E.T.S.I. Telecomunicación (UPM)
Departamento: Señales, Sistemas y Radiocomunicaciones
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

En-route data compression is fundamental to reduce the power consumed for data gathering in sensor networks. Typical in-network compression schemes involve the distributed computation of some decorrelating transform on the data; the structure along which the transform is computed influences both coding performance and transmission cost of the computed coefficients, and has been widely explored in the literature. However, few works have studied this interaction in the practical case when the routing configuration of the network is also built in a distributed manner. In this paper we aim at expanding this understanding by specifically considering the impact of distributed routing tree initialization algorithms on coding and transmission costs, when a tree-based wavelet lifting transform is adopted. We propose a simple modification to the collection tree protocol (CTP) which can be tuned to account for a vast range of spatial correlations. In terms of costs and coding efficiency, our methods do not improve the performance of more sophisticated routing trees such as the shortest path tree, but they entail an easier manageability in case of node reconfigurations and update

Más información

ID de Registro: 5600
Identificador DC: http://oa.upm.es/5600/
Identificador OAI: oai:oa.upm.es:5600
URL Oficial: http://www.springerlink.com/content/x476787804206024/
Depositado por: Memoria Investigacion
Depositado el: 11 Ene 2011 10:08
Ultima Modificación: 20 Abr 2016 14:22
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