In the 2020 time frame, the Global Positioning System (GPS) will be fully modernized, and other satellite navigation systems will be operational. With an additional layer of fault detection, these systems will provide vertical guidance worldwide. This capability will be born of three important technologies. First and foremost, avionics will receive signals on two frequencies: L1/E1 and L5/E5a. This frequency diversity will do much to obviate the impact of ionospheric storms that troubles aviation use of GPS today. Secondly, a multiplicity of data broadcasts will be available to convey integrity information from the ground to the airborne users. These will include the navigation satellites themselves, geostationary satellites, and possibly terrestrial transmitters. However, the most important change will be the most subtle. The fault monitoring burden will be split between the aircraft and the supporting ground systems in a new way relative to the fault-detection techniques used in 2008. This new integrity allocation and the associated architectures are the subject of this paper.


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    Title :

    Worldwide vertical guidance of aircraft based on modernized GPS and new integrity augmentations


    Contributors:
    Walter, T. (author) / Enge, P. (author) / Blanch, J. (author) / Pervan, B. (author)

    Published in:

    Proceedings of the IEEE ; 96 , 12 ; 1918-1935


    Publication date :

    2008


    Size :

    18 Seiten, 42 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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