A Blind AM/PM Estimation Method for Power Amplifier Linearization

A higher order statistics (HOS)-based method is proposed in this letter to estimate the nonlinear amplitude-to-phase (AM/PM) conversion function of power amplifiers (PAs) in communications systems. By utilizing the symmetry property of the modulated signal, the proposed method estimates the AM/PM co...

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Veröffentlicht in:	IEEE signal processing letters 2013-11, Vol.20 (11), p.1042-1045
Hauptverfasser:	Zhiwen Zhu, Xinping Huang, Caron, Mario, Leung, Henry
Format:	Artikel
Sprache:	eng
Schlagworte:	AM/PM conversion Constellation diagram Estimation higher order statistics nonlinear Nonlinear distortion Power amplifier predistorter Pulse shaping methods Timing Vectors
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