The acquisition and tracking strategies of the BeiDou navigation satellite signals are affected by the modulation of Neumann-Hoffman code (NH code), which increases the complexity of receiver baseband signal processing. Based on the analysis of probability statistics of the NH code, a special sequence of incoming signals is proposed to evade the bit transitions caused by the NH code, and an NH Code Evasion and Stripping method (NCES) based on the NH-pre-modulated code is proposed. The NCES can be applied in both 20-bit NH code and 10-bit NH code. The fine acquisition eliminates the impact of NH code on the traditional tracking loop. These methods were verified with a BeiDou PC-based software-defined receiver using the actual sampled signals. Compared with other acquisition schemes which try to determine or ignore the NH code phase, the NCES needs fewer incoming signals and the actual runtime is greatly reduced without sacrificing much time to search in the secondary code dimension, and the success rate of acquisition is effectively improved. An extension of Fast Fourier Transform (FFT)-based parallel code-phase search acquisition gives the NCES an advantage in engineering applications.


    Zugriff

    Zugriff über TIB

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Neumann-Hoffman Code Evasion and Stripping Method For BeiDou Software-defined Receiver



    Erschienen in:

    Erscheinungsdatum :

    2017




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch



    Klassifikation :

    BKL:    55.86 Schiffsverkehr, Schifffahrt / 53.84 Ortungstechnik, Radartechnik / 42.89 Zoologie: Sonstiges / 55.54 Flugführung / 42.89 / 53.84 / 55.20 / 55.86 / 55.20 Straßenfahrzeugtechnik / 55.44 Schiffsführung / 55.54 / 55.44
    Lokalklassifikation TIB:    275/5680/7035



    Beidou Receiver IFB Calculation and Stability Analysis

    Zhu, Yongxing / Feng, Laiping / Jia, Xiaolin et al. | British Library Conference Proceedings | 2018


    Research on the mechanism and the impact of jamming on Beidou software receiver

    Zhang Chong, / Shui Li, / Huang He, et al. | IEEE | 2016


    JEFFREY HOFFMAN IN EUROPE

    Da Costa, Neil | Online Contents | 1997


    Software Defined LFM CW SAR Receiver for Microsatellites

    Ahmed, N. / Underwood, C.I. | British Library Conference Proceedings | 2010


    Viewpoint — Astronaut Jeff Hoffman

    Spiteri, George | Online Contents | 2009