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    Multivariate GNSS attitude integrity: The role of affine constraints

    Access Status
    Fulltext not available
    Authors
    Giorgi, G.
    Teunissen, Peter
    Date
    2016
    Type
    Conference Paper
    
    Metadata
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    Citation
    Giorgi, G. and Teunissen, P. 2016. Multivariate GNSS attitude integrity: The role of affine constraints, in Sneeuw, N. and Novák, P. and Crespi, M. and Sansò, F. (eds), International Association of Geodesy Symposia. 142: pp. 309-315. Switzerland: Springer International Publishing.
    Source Title
    International Association of Geodesy Symposia
    DOI
    10.1007/1345_2015_1
    ISBN
    9783319245485
    School
    Department of Spatial Sciences
    URI
    http://hdl.handle.net/20.500.11937/28954
    Collection
    • Curtin Research Publications
    Abstract

    In this work we analyze the integrity properties of an affine-constrained estimator applied to arrays of GNSS antennas. GNSS pseudorange and carrier phase measurements from multiple antennas whose relative positions are known are cast in a linearly-constrained observation model. The linear constraints are inherent to an affine transformation that is applied to the baseline coordinates. The affine transformation yields enhanced redundancy, thus improving the model integrity properties with respect to the unconstrained model. The extent of the improvement is measured in terms of internal and external reliability.

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