The nondata-aided maximum likelihood phase error detectors (PEDs) for use in phase-lock loops (PLLs) for 16-APSK and 32-APSK are derived and analyzed. The derivation focuses on a numerically stable expression for the PED output as a function of the derotated matched filter input. The analysis focuses on the S-curve, phase ambiguity, and phase error variance. The 16-APSK PED S-curve exhibits 12 lock points (a 12-fold phase ambiguity) and, when used in a PLL, produces a phase error variance better than commonly used alternatives and achieves its theoretical lower bound at a lower signal-to-noise ratio than the alternatives. The 32-APSK PED S-curve exhibits 16 (low signal-to-noise ratio) or 20 (high signal-to-noise ratio) lock points (a 16- or 20-fold phase ambiguity) and, when used in a PLL, produces a phase error variance better than commonly used alternatives and achieves its theoretical lower bound at a lower signal-to-noise ratio than the alternatives. It is proved that the two PEDs converge to their corresponding decision-directed PEDs as signal-to-noise ratio increases.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    On the Nondata-Aided Maximum Likelihood Phase Error Detectors for 16- and 32-APSK


    Beteiligte:
    Rice, Michael (Autor:in) / Jensen, Nathan (Autor:in) / Landon, Laura (Autor:in) / Redd, Bryan (Autor:in) / Twitchell, Autumn (Autor:in)


    Erscheinungsdatum :

    01.04.2023


    Format / Umfang :

    2115620 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



    On the Maximum Likelihood Non-Data-Aided Phase Error Detector for 16-APSK

    Rice, Michael / Redd, Bryan / Twitchell, Autumn | IEEE | 2022


    Simplified Expressions for APSK Error Performance

    Evans, Barry / Awoseyila, Adegbenga | AIAA | 2012


    Simplified Expressions for APSK Error Performance

    Afelumo, O.S. / Awoseyila, A.B. / Evans, B.G. et al. | British Library Conference Proceedings | 2012