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    Challenges in ambiguity resolution: Biases, weak models, and dimensional curse

    Access Status
    Fulltext not available
    Authors
    Verhagen, S.
    Tiberius, C.
    Li, B.
    Teunissen, Peter
    Date
    2012
    Type
    Conference Paper
    
    Metadata
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    Citation
    Verhagen, S. and Tiberius, C. and Li, B. and Teunissen, P. 2012. Challenges in ambiguity resolution: Biases, weak models, and dimensional curse, in 6th ESA Workshop on Satellite Navigation Technologies and European Workshop on GNSS Signals and Signal Processing (NAVITEC), Dec 5-7 2012, pp. 1-8. Noordwijk, Netherlands: IEEE.
    Source Title
    6th ESA Workshop on Satellite Navigation Technologies: Multi-GNSS Navigation Technologies Galileo's Here, NAVITEC 2012 and European Workshop on GNSS Signals and Signal Processing
    DOI
    10.1109/NAVITEC.2012.6423075
    ISBN
    9781467320115
    School
    Department of Spatial Sciences
    URI
    http://hdl.handle.net/20.500.11937/5057
    Collection
    • Curtin Research Publications
    Abstract

    Next generation Global Navigation Satellite Systems will open the door to a whole new field of applications, for example in Earth observation, construction, and safety-of-life navigation. This implies very high requirements not only on precision and availability, but also on reliability. Integer carrier phase ambiguity resolution is the key to (near) real-time and high-precision GNSS positioning and navigation. The reliability of integer ambiguity estimation depends on the strength of the underlying GNSS model and on the applied integer estimation method. This brings certain challenges and limitations that need to be addressed and have not all been solved so far. The aim of this contribution is to address these remaining challenges and limitations: it will be explained why it is important to do so, and how solutions can be obtained. Experimental results will be used to underpin the importance and potential improvement in terms of precision and/or reliability. © 2012 IEEE.

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