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    Pilot Evaluation of Integrating GLONASS, Galileo and BeiDou with GPS in Araim

    239191_239191.pdf (1.047Mb)
    Access Status
    Open access
    Authors
    El-Mowafy, Ahmed
    Date
    2016
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    El-Mowafy, A. 2016. Pilot Evaluation of Integrating GLONASS, Galileo and BeiDou with GPS in Araim. Artificial Satellites. 51 (1): pp. 31-44.
    Source Title
    Artificial Satellites
    DOI
    10.1515/arsa-2016-0003
    ISSN
    0208-841X
    School
    Department of Spatial Sciences
    Remarks

    This open access article is distributed under the Creative Commons license http://creativecommons.org/licenses/by-nc-nd/3.0/

    URI
    http://hdl.handle.net/20.500.11937/14165
    Collection
    • Curtin Research Publications
    Abstract

    © 2016 Artificial Satellites. In this pilot study, availability of the Advanced Receiver Autonomous Integrity Monitoring (ARAIM) when integrating various combinations of satellite constellations including; Galileo, GLONASS and BeiDou with GPS is investigated. The Multiple Hypothesis Solution Separation method was applied using one month of real data. The data was collected at stations of known positions, located in regions that have different coverage levels by the tested constellations. While most previous studies used simulated data, the importance of using real data is twofold. It allows for the use of actual User Range Accuracy (URA) received within the satellite navigation message, which is a fundamental component for computation of the integrity protection level; and the computation of vertical position errors to validate the integrity approach. Results show that the vertical position error was always bounded by the protection level during the test period and the ARAIM availability can reach 100% of the time when using all constellations even though some constellations are yet incomplete.

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