Abstract The increased number of potential threat modes under multi-constellation advanced receiver autonomy integrity monitoring (ARAIM) requires an increase in the number of subsets and a correspondingly high computational load. A new satellite selection method based on integrity support message (ISM) parameters is proposed and compared with GDOP-based selection. The performance was tested on five days of data measurements from 21 multi-global navigation satellite system experiment (MGEX) stations distributed around the world, as well as simulation using the broadcast ephemeris. The results show that the proposed ISM-based satellite selection method is highly compatible with the baseline ARAIM. This method could reduce the computational times by about 60–70% quickly, with minimising vertical protection level (VPL) loss, which was consistently within 1 m, even a reduced VPL value in some epochs, and resulting in an improved availability. The simulation results were similar to the MGEX data. It appears that the application of ISM-based satellite selection can effectively reduce computational burden with a minimal impact on availability.


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    Titel :

    Satellite selection methods for multi-constellation advanced RAIM


    Beteiligte:
    Luo, Silong (Autor:in) / Wang, Li (Autor:in) / Tu, Rui (Autor:in) / Zhang, Weiqi (Autor:in) / Wei, Jiancheng (Autor:in) / Chen, Cunting (Autor:in)

    Erschienen in:

    Advances in Space Research ; 65 , 5 ; 1503-1517


    Erscheinungsdatum :

    2019-12-15


    Format / Umfang :

    15 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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