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    First results of instantaneous GPS/Galileo/COMPASS attitude determination

    Access Status
    Fulltext not available
    Authors
    Nadarajah, Nandakumaran
    Teunissen, Peter
    Buist, P.
    Steigenberger, P.
    Date
    2012
    Type
    Conference Paper
    
    Metadata
    Show full item record
    Citation
    Nadarajah, N. and Teunissen, P. and Buist, P. and Steigenberger, P. 2012. First results of instantaneous GPS/Galileo/COMPASS attitude determination, in Proceedings of the 6th ESA Workshop on Satellite Navigation Technologies and European Workshop on GNSS Signals and Signal Processing (NAVITEC), pp. 1-8, Dec 5-7 2012. 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.2012.6423068
    ISBN
    9781467320115
    School
    Department of Spatial Sciences
    URI
    http://hdl.handle.net/20.500.11937/17620
    Collection
    • Curtin Research Publications
    Abstract

    The advent of modernized and new global navigation satellite systems (GNSS) has enhanced the availability of satellite based positioning, navigation, and timing (PNT) solutions. Specifically, it increases redundancy and yields operational back-up or independence in case of failure or unavailability of one system. Among existing GNSS, the Chinese COMPASS navigation satellite system (CNSS) and the European Galileo system are being developed. In this contribution, a COMPASS/Galileo/GPS robustness analysis is carried out for instantaneous, unaided attitude determination. Precise attitude determination using multiple GNSS antennas mounted on a platform relies on the successful resolution of the integer carrier phase ambiguities. The constrained Least-squares AMBiguity Decorrelation Adjustment (C-LAMBDA) method has been developed for the quadratically constrained GNSS compass model that incorporates the known baseline length. In this contribution the method is used to analyse the attitude determination performance when using the GPS, the Galileo, and COMPASS systems. The attitude determination performance is evaluated using GPS/Galileo/COMPASS data sets from a real data campaign in Australia. The study includes the performance analyses of both stand-alone and mixed constellation (GPS/Galileo/COMPASS) attitude estimation under satellite outage. We demonstrate and quantify the improved availability, reliability, and accuracy of attitude determination using the combined constellation. © 2012 IEEE.

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