Statistical Path Loss Parameter Estimation and Positioning Using RSS Measurements in Indoor Wireless Networks

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    Abstract

    A Bayesian method for dynamical off-line estimation of the position and path loss model parameters of a WLAN access point is presented. Two versions of three different on-line positioning methods are tested using real data. The tests show that the methods that use the estimated path loss parameter distributions with finite precisions outperform the methods that only use point estimates for the path loss parameters. They also outperform the coverage area based positioning method and are comparable in accuracy with the fingerprinting method. Taking the uncertainties into account is computationally demanding, but the Gauss–Newton optimization method is shown to provide a good approximation with computational load that is reasonable for many real-time solutions.
    Translated title of the contributionStatistical Path Loss Parameter Estimation and Positioning Using RSS Measurements in Indoor Wireless Networks
    Original languageEnglish
    Title of host publicationInternational Conference on Indoor Positioning and Indoor Navigation, IPIN, 13-15 November 2012, 13-15 November 2012, Sydney, Australia
    Place of PublicationPiscataway, NJ
    PublisherIEEE
    Pages1-9
    Number of pages9
    ISBN (Electronic)978-1-4673-1954-6
    ISBN (Print)978-1-4673-1955-3
    DOIs
    Publication statusPublished - 2012
    Publication typeA4 Article in conference proceedings

    Publication series

    NameInternational Conference on Indoor Positioning and Indoor Navigation

    Publication forum classification

    • No publication forum level

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