Interference signals degrade the performance of a global navigation satellite system receiver. Classification of these interference signals allows better situational awareness and facilitates appropriate countermeasures. However, classification is challenging and processing-intensive, especially in severe multipath environments. This article proposes a low-resource interference classification approach that combines conventional statistical signal processing approaches with machine learning (ML). It leverages the processing efficiency of conventional statistical signal processing by summarizing, e.g., a short-time Fourier transform, with statistical measures. Furthermore, the ML design space is bounded as the signal is preprocessed. It results in fewer opportunities for ML but facilitates faster convergence and the use of simpler architectures. Therefore, this approach has lower ML training complexity and lower processing and memory requirements. Results show competitive classification capabilities to more complex approaches. It demonstrates that more efficient architectures can be developed using existing signal-processing approaches.


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    Titel :

    Optimal Machine Learning and Signal Processing Synergies for Low-Resource GNSS Interference Classification




    Erscheinungsdatum :

    01.06.2024


    Format / Umfang :

    2423973 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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