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    Three carrier ambiguity resolution: Distance-independent performance demonstrated using semi-generated triple frequency GPS signals

    169367_169367.pdf (418.3Kb)
    Access Status
    Open access
    Authors
    Li, Bofeng
    Feng, Y.
    Shen, Y.
    Date
    2010
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Li, Bofeng and Feng, Yanming and Shen, Yunzhong. 2010. Three carrier ambiguity resolution: Distance-independent performance demonstrated using semi-generated triple frequency GPS signals. GPS Solutions. 14 (2): pp. 177-184.
    Source Title
    GPS Solutions
    DOI
    10.1007/s10291-009-0131-6
    ISSN
    15211886
    School
    Department of Spatial Sciences
    Remarks

    The original publication is available at: http://www.springerlink.com

    URI
    http://hdl.handle.net/20.500.11937/6089
    Collection
    • Curtin Research Publications
    Abstract

    In spite of significant research in the development of efficient algorithms for three carrier ambiguity resolution, full performance potential of the additional frequency signals cannot be demonstrated effectively without actual triple frequency data. In addition, all the proposed algorithms showed their difficulties in reliable resolution of the medium-lane and narrow-lane ambiguities in different long-range scenarios. In this contribution, we will investigate the effects of various distance-dependent biases, identifying the tropospheric delay to be the key limitation for long-range three carrier ambiguity resolution. In order to achieve reliable ambiguity resolution in regional networks with the inter-station distances of hundreds of kilometers, a new geometry-free and ionosphere-free model is proposed to fix the integer ambiguities of the medium-lane or narrow-lane observables over just several minutes without distance constraint.Finally, the semi-simulation method is introduced to generate the third frequency signals from dual-frequency GPS data and experimentally demonstrate the research findings of this paper.

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