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    An analytical study of PPP-RTK corrections: precision, correlation and user-impact

    231903_231903.pdf (1.402Mb)
    Access Status
    Open access
    Authors
    Khodabandeh, A.
    Teunissen, Peter
    Date
    2015
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Khodabandeh, A. and Teunissen, P. 2015. An analytical study of PPP-RTK corrections: precision, correlation and user-impact. Journal of Geodesy. 89 (11): pp. 1109-1132.
    Source Title
    Journal of Geodesy
    DOI
    10.1007/s00190-015-0838-9
    ISSN
    0949-7714
    School
    Department of Spatial Sciences
    Remarks

    The final publication is available at Springer via http://doi.org/10.1007/s00190-015-0838-9

    URI
    http://hdl.handle.net/20.500.11937/12229
    Collection
    • Curtin Research Publications
    Abstract

    PPP-RTK extends the PPP concept by providing single-receiver users, next to orbits and clocks, also information about the satellite phase and code biases, thus enabling single-receiver ambiguity resolution. It is the goal of the present contribution to provide an analytical study of the quality of the PPP-RTK corrections as well as of their impact on the user ambiguity resolution performance. We consider the geometry-free and the geometry-based network derived corrections, as well as the impact of network ambiguity resolution on these corrections. Next to the insight that is provided by the analytical solutions, the closed form expressions of the variance matrices also demonstrate how the corrections depend on network parameters such as number of epochs, number of stations, number of satellites, and number of frequencies. As a result we are able to describe in a qualitative sense how the user ambiguity resolution performance is driven by the data from the different network scenarios.

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