Digital predistortion of power amplifiers based on compound memory polynomial model

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  • He Zhuohui
    School of Electronic and Information Engineering, South China University of Technology
  • Ye Wu
    School of Electronic and Information Engineering, South China University of Technology
  • Feng Suili
    School of Electronic and Information Engineering, South China University of Technology

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Description

The memory polynomial (MP) model is a frequently used structure for digital predistortion (DPD) of power amplifiers (PAs) in wireless communication systems, but it has limited performance. In this paper, we propose a compound memory polynomial (CMP) model to enhance the accuracy. The CMP model is constructed by adding the terms concerning the difference of the input to the MP model. The effectiveness of the CMP model is demonstrated experimentally.

Journal

  • IEICE Electronics Express

    IEICE Electronics Express 10 (21), 20130687-20130687, 2013

    The Institute of Electronics, Information and Communication Engineers

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