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    Integrity Monitoring: From Airborne to Land Applications

    Access Status
    Fulltext not available
    Authors
    Imparato, D.
    El-Mowafy, Ahmed
    Rizos, C.
    Date
    2018
    Type
    Book Chapter
    
    Metadata
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    Citation
    Imparato, D. and El-Mowafy, A. and Rizos, C. 2018. Integrity Monitoring: From Airborne to Land Applications. In Multifunctional Operation and Application of GPS, 23-43. London, UK: IntechOpen.
    Source Title
    Multifunctional Operation and Application of GPS
    DOI
    10.5772/intechopen.75777
    ISBN
    978-1-78923-214-1
    School
    School of Earth and Planetary Sciences (EPS)
    URI
    http://hdl.handle.net/20.500.11937/73273
    Collection
    • Curtin Research Publications
    Abstract

    Safety-critical applications in transportation require GNSS-based positioning with high levels of continuity, accuracy and integrity. The system needs to detect and exclude faults and to raise an alarm in the event of unsafe positioning. This capability is referred to as integrity monitoring (IM). While IM was considered until recently only in aviation, it is currently a key performance parameter in land applications, such as Intelligent Transport Systems (ITS). In this chapter the IM concepts, models and methods developed so far are compared. In particular, Fault Detection and Exclusion (FDE) and bounding of positioning errors methods borrowed from aviation (i.e. Weighted RAIM and ARAIM) are discussed in detail, in view of their possible adoption for land applications. Their strengths and limitations, and the modifications needed for application in the different context are highlighted. A practical demonstration of IM in ITS is presented.

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