UWB passive navigation in indoor environments

  • Authors:
  • Stefania Bartoletti;Matteo Guerra;Andrea Conti

  • Affiliations:
  • ENDIF, University of Ferrara, Ferrara, Italy;ENDIF, University of Ferrara, Ferrara, Italy;ENDIF, University of Ferrara, Ferrara, Italy

  • Venue:
  • Proceedings of the 4th International Symposium on Applied Sciences in Biomedical and Communication Technologies
  • Year:
  • 2011

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Abstract

Localization and navigation of passive target objects play a key role in many important applications. An interesting solution for passive localization and navigation is given by monostatic wireless sensor radar (WSR) networks. In this context, ultrawide band (UWB) radar provide fine delay resolution enabling high accuracy localization also in harsh environments such as indoor. We present a mathematical framework for analysis and design of passive navigation based on UWB monostatic WSRs that relies on environment propagation and time-of-arrival estimation characterized by network experiments. A case study where a UWB monostatic WSR network is deployed to infer the position of moving target objects is considered. In particular, Bayesian navigation based on particle filters implementation is analyzed and the role of mobility model for inferring target position is shown.