It is well known that one of the most significant errors in GPS pseudo-range measurement is the multipath error. Many researchers have been involved in this major issue, and promising results have been achieved in mitigating multipath errors. Most of these studies, however, do not really improve the tracking error in presence of short multipath. A novel code loop discriminator, which is insensitive to multipath signals having a relative delay lower than one half the correlator spacing is addressed here. The benefit of this discriminator, called short-multipath insensitive code loop discriminator (SMICLD), has been evaluated theoretically and implemented using MatLab/Simulink. The proposed method requires neither hardware nor software complexity. The novel loop tracking error, as well as the narrow correlator (NC) tracking error, were determined and compared. Simulation results showed that the proposed code discriminator outperforms the narrow correlator discriminator in terms of simplicity and performance.


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    Titel :

    Short Multipath Insensitive Code Loop Discriminator


    Beteiligte:
    Jardak, N. (Autor:in) / Samama, N. (Autor:in)


    Erscheinungsdatum :

    01.01.2010


    Format / Umfang :

    2483294 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch