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9th International Conference on Body Area Networks

Research Article

Improved Navigation Capabilities in Groups of Cooperative Wireless Body Area Networks

Cite
BibTeX Plain Text
  • @INPROCEEDINGS{10.4108/icst.bodynets.2014.256999,
        author={Jihad HAMIE and Claude CHAUDET and Benoit DENIS},
        title={Improved Navigation Capabilities in Groups of Cooperative Wireless Body Area Networks},
        proceedings={9th International Conference on Body Area Networks},
        publisher={ICST},
        proceedings_a={BODYNETS},
        year={2014},
        month={11},
        keywords={cooperative localization extended kalman filter group navigation heterogeneous networks impulse radio ranging time of flight ultra wideband wireless body area networks},
        doi={10.4108/icst.bodynets.2014.256999}
    }
    
  • Jihad HAMIE
    Claude CHAUDET
    Benoit DENIS
    Year: 2014
    Improved Navigation Capabilities in Groups of Cooperative Wireless Body Area Networks
    BODYNETS
    ACM
    DOI: 10.4108/icst.bodynets.2014.256999
Jihad HAMIE1,*, Claude CHAUDET1, Benoit DENIS2
  • 1: Telecom ParisTech, Paris
  • 2: CEA-Leti, Minatec
*Contact email: hamiejihad@hotmail.com

Abstract

This paper addresses the problem of navigation in cooperative groups of Wireless Body Area Networks. On-body radio devices determine their position by estimating their distance to other nodes from the measurement of the Round Trip Time Of Flight of Impulse Radio-Ultra Wideband signals. The nodes not only measure their distance to fixed anchors,but also use device-to-device measurements, which improves spatial diversity and redundancy yielding to a better localization accuracy and robustness. However, such measurements are easily biased by line-of-sight conditions and body shadowing. We propose to apply a biased version of the extended Kalman filter to alleviate the e ffect of measurement biases in Non Line Of Sight (NLOS) conditions and combine this filter with an NLOS detection mechanism from the literature and evaluate, by simulation, the achieved gain.

Keywords
cooperative localization extended kalman filter group navigation heterogeneous networks impulse radio ranging time of flight ultra wideband wireless body area networks
Published
2014-11-21
Publisher
ICST
http://dx.doi.org/10.4108/icst.bodynets.2014.256999
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