Triple-frequency signals of China's BeiDou navigation satellite system (BDS) are now accessible in the Asia-Pacific region. It is well understood that the third frequency signal will improve the navigation performance. Some literatures have described several navigation methods by using triple-frequency signals, and evaluated the performance. However the experiments were mostly implemented on simulated or semi-simulated observations. In this paper we investigate the navigation performance using real BDS triple-frequency observations. Apart from the pseudorange observations, carrier observations are also used, since the extra-wide-lane and wide-lane ambiguities can be reliably resolved with a single epoch. Several single-epoch navigation methods using BDS triple-frequency observations are described and the corresponding navigation accuracy and reliability are assessed. Results show that P3 has the highest accuracy among the three pseudorange observations. For carriers, the wide-lane and extra-wide-lane observations can be used to obtain much higher navigation precision compared with pseudorange observations. Besides, the two ambiguity-fixed extra-wide-lane and wide-lane observations can also be combined to ionosphere-free form, which can still obtain sub-decimetre and decimetre navigation accuracy in horizontal and vertical directions respectively.


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    Title :

    Single-Epoch Navigation Performance with Real BDS Triple-Frequency Pseudorange and EWL/WL Observations



    Published in:

    Publication date :

    2016




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    53.84 Ortungstechnik, Radartechnik / 53.84 / 55.54 Flugführung / 42.89 / 55.20 / 55.44 / 55.86 / 55.54 / 55.86 Schiffsverkehr, Schifffahrt / 55.20 Straßenfahrzeugtechnik / 42.89 Zoologie: Sonstiges / 55.44 Schiffsführung
    Local classification TIB:    275/5680/7035



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