This paper presents the performance analysis of signals from the Galileo satellites in the E1 and E5a frequency bands and GPS L5 signals as measured by DLR's experimental ground‐based augmentation system. The results show that the raw noise and multipath level of Galileo signals and of the GPS L5 signals are smaller than that of GPS L1. The new signals are also less sensitive to the choice of carrier‐smoothing time constant. Furthermore, the inter‐frequency biases that affect dual‐frequency processing are investigated. These biases differ between satellites and depend on satellite and receiver hardware, but they can be determined a priori. With known receiver and antenna configurations, it is possible to correct for these biases. A residual uncertainty associated with the bias correction has to be taken into account. This can be modeled as part of the ground and airborne bounding standard deviations ( σ pr _ gnd  and  σ pr _ air ) used in GBAS processing. Copyright © 2017 Institute of Navigation.


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    Title :

    Evaluation of GPS L5 and Galileo E1 and E5a Performance for Future Multifrequency and Multiconstellation GBAS



    Published in:

    Navigation ; 64 , 1


    Publication date :

    2017




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English



    Classification :

    BKL:    55.54 Flugführung / 55.86 Schiffsverkehr, Schifffahrt / 53.84 Ortungstechnik, Radartechnik
    Local classification TIB:    770/5680/7035



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