Localization in sensor networks

  • Authors:
  • Andreas Savvides;Mani Srivastava;Lewis Girod;Deborah Estrin

  • Affiliations:
  • Electrical Engineering Department, Yale University;Electrical Engineering Department, University of California, Los Angeles;Computer Science Department, University of California, Los Angeles;Computer Science Department, University of California, Los Angeles

  • Venue:
  • Wireless sensor networks
  • Year:
  • 2004

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Abstract

The development of large scale distributed sensor systems is a significant scientific and engineering challenge, but they show great promise for a wide range of applications. The capability to sense and integrate spatial information with other elements of a sensor application is critical to exploring the full potential of these systems. In this article we discuss the range of application requirements, introduce a taxonomy of localization mechanisms, and briefly discuss the current state of the art in ranging and positioning technologies. We then introduce two case studies that illustrate the range of localization applications.