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    POD of small LEO satellites based on precise real-time MADOCA and SBAS-aided PPP corrections

    82388.pdf (1.352Mb)
    Access Status
    Open access
    Authors
    Allahvirdizadeh, Amir
    Wang, Kan
    El-Mowafy, Ahmed
    Date
    2021
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Allahvirdi-Zadeh, A. and Wang, K. and El-Mowafy, A. 2021. POD of small LEO satellites based on precise real-time MADOCA and SBAS-aided PPP corrections. GPS Solutions. 25: 31.
    Source Title
    GPS Solutions
    DOI
    10.1007/s10291-020-01078-8
    Faculty
    Faculty of Science and Engineering
    School
    School of Earth and Planetary Sciences (EPS)
    Funding and Sponsorship
    http://purl.org/au-research/grants/arc/DP190102444
    Remarks

    This is a post-peer-review, pre-copyedit version of an article published in GPS Solutions. The final authenticated version is available online at: http://doi.org/10.1007/s10291-020-01078-8

    URI
    http://hdl.handle.net/20.500.11937/82346
    Collection
    • Curtin Research Publications
    Abstract

    For real-time precise orbit determination (POD) of low earth orbit (LEO) satellites, high-accuracy global navigation satellite system (GNSS) orbit and clock products are necessary in real time. Recently, the Japanese multi-GNSS advanced demonstration of orbit and clock analysis precise point positioning (PPP) service and the new generation of the Australian/New Zealand satellite-based augmentation system (SBAS)-aided PPP service provide free and precise GNSS products that are directly broadcast through the navigation and geostationary earth orbit satellites, respectively. With the high quality of both products shown in this study, a 3D accuracy of centimeters can be achieved in the post-processing mode for the reduced-dynamic orbits of small LEO satellites having a duty cycle down to 40% and at sub-dm to dm level for the kinematic orbits. The results show a promising future for high-accuracy real-time POD onboard LEO satellites benefiting from the precise free-of-charge PPP corrections broadcast by navigation systems or SBAS.

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