Logo de la Universitat de València Logo Institut Universitari d'Investigació de Robòtica i Tecnologies de la Informació i les Comunicacions (IRTIC) Logo del portal

  • Autors: Portu-Repollés, E.; Beferull-Lozano, B.
    • (2009).
  • Tipus de publicació: Article
  • URL Publicacio: Joint Sensor Selection and Routing for Distributed Estimation in Wireless Sensor Networks
  • Resum:

    The authors consider a Wireless Sensor Network (WSN) deployed over a large geographical area, where a querying node wishes to perform a estimation of a localized phenomenon. The authors formulate the problem as a joint optimization of sensor selection and routing structure where they minimize the estimation distortion subject to a total communication power constraint for the WSN. Two scenarios are analyzed: measurement forwarding and estimation-and-forward at the nodes. The authors show that the optimization problems corresponding to these scenarios are both NP-hard and they propose two approximation algorithms.