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    Integrity monitoring using multi-GNSS pseudorange observations in the urban environment combining ARAIM and 3D city models

    Access Status
    Fulltext not available
    Authors
    El-Mowafy, Ahmed
    Xu, B.
    Hsu, L.T.
    Date
    2020
    Type
    Journal Article
    
    Metadata
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    Citation
    El-Mowafy, A. and Xu, B. and Hsu, L.T. 2020. Integrity monitoring using multi-GNSS pseudorange observations in the urban environment combining ARAIM and 3D city models. Journal of Spatial Science.
    Source Title
    Journal of Spatial Science
    DOI
    10.1080/14498596.2020.1734109
    ISSN
    1449-8596
    Faculty
    Faculty of Science and Engineering
    School
    School of Earth and Planetary Sciences (EPS)
    URI
    http://hdl.handle.net/20.500.11937/79704
    Collection
    • Curtin Research Publications
    Abstract

    © 2020 Mapping Science Institute, Australia and Surveying and Spatial Science Institute.

    Positioning integrity is essential in navigation. A novel approach is proposed for integrity monitoring that combines the Advanced Receiver Autonomous Integrity Monitoring (ARAIM) with Non-Line-of-Sight (NLOS) detection method using 3D city models to aid multi-constellation GNSS positioning in challenging urban scenarios. A demonstration of the proposed approach is performed with real data in an urban area in Hong Kong. The combined technique is tested via Single Point Positioning and simulated DGNSS positioning using a commercial-grade receiver. An improvement of fault detection capability and accordingly the obtained accuracy is shown when combining the two methods, compared to applying each method individually.

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