Building a trackside augmentation network can provide more accurate GNSS positioning information for rail transit. In order to ensure the high safety requirements of rail transit, it is necessary to ensure the integrity of the augmented data provided by the trackside augmentation network. In this paper, a joint integrity monitoring algorithm is proposed, which simultaneously detects faulty satellites at the reference station level and at the reference station network level, and uses the long-term observation data of the reference station to calculate a predetermined threshold to obtain a healthy satellite and reference base station combination.


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    Title :

    Integrity monitoring of satellite-based positioning for railway trackside augmentation network


    Contributors:

    Conference:

    Seventh International Conference on Electromechanical Control Technology and Transportation (ICECTT 2022) ; 2022 ; Guangzhou,China


    Published in:

    Proc. SPIE ; 12302


    Publication date :

    2022-11-23





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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