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    Instantaneous BeiDou–GPS attitude determination: A performance analysis

    200804_200804.pdf (9.530Mb)
    Access Status
    Open access
    Authors
    Nadarajah, Nandakumaran
    Teunissen, Peter
    Raziq, N.
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Nadarajah, N. and Teunissen, P. and Raziq, N. 2014. Instantaneous BeiDou–GPS attitude determination: A performance analysis. Advances in Space Research. 54 (5): pp. 851-862.
    Source Title
    Advances in Space Research
    DOI
    10.1016/j.asr.2013.08.030
    ISSN
    0273-1177
    School
    Department of Spatial Sciences
    Remarks

    NOTICE: This is the author’s version of a work that was accepted for publication in Advances in Space Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Advances in Space Research, Vol. 54, Issue 5. (2014). doi: 10.1016/j.asr.2013.08.030

    URI
    http://hdl.handle.net/20.500.11937/4878
    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 BeiDou system (BDS) is being developed and will consist of geostationary (GEO) satellites, inclined geosynchronous orbit (IGSO) satellites, and medium-Earth-orbit (MEO) satellites. In this contribution, a BeiDou–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 and BeiDou systems. The attitude determination performance is evaluated using GPS/BeiDou data sets from a real data campaign in Australia spanning several days. The study includes the performance analyses of both stand-alone and mixed constellation (GPS/BeiDou) attitude estimation under various satellite deprived environments. We demonstrate and quantify the improved availability and accuracy of attitude determination using the combined constellation.

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