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    The ratio test for future GNSS ambiguity resolution

    Access Status
    Fulltext not available
    Authors
    Verhagen, S.
    Teunissen, Peter
    Date
    2013
    Type
    Journal Article
    
    Metadata
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    Citation
    Verhagen, S. and Teunissen, P. 2013. The ratio test for future GNSS ambiguity resolution. GPS Solutions. 17 (4): pp. 535-548.
    Source Title
    GPS Solutions
    DOI
    10.1007/s10291-012-0299-z
    ISSN
    1080-5370
    School
    Department of Spatial Sciences
    URI
    http://hdl.handle.net/20.500.11937/49090
    Collection
    • Curtin Research Publications
    Abstract

    The performance of the popular ambiguity ratio test is analyzed. Based on experimental and simulated data, it is demonstrated that the current usage of the ratio test with fixed critical value is not ustainable in light of the enhanced variability that future global navigation satellite system (GNSS) ambiguity resolution will bring. As its replacement, the model-driven ratio test with fixed failure rate is proposed. The characteristics of this fixed-failure rate ratio test are described, and a performance analysis isgiven. The relation between its critical value and various GNSS model parameters is also studied. Finally, a procedure is presented for the creation of fixed failure rate lookup tables for the critical values of the ratio test.

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