Power Amplifier Energy Efficiency Enhancement via Adaptive Polarization-QAM Modulation Scheme in OFDM Systems

In this paper, an adaptive polarization-QAM modulation (APQAM) scheme is proposed to improve the power amplifier (PA) energy efficiency (EE) in orthogonal frequency division multiplexing (OFDM) systems. Since we found that polarization modulation (PM) has better EE performance than QAM in the nonlin...

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Bibliographic Details
Main Authors: Shulun Zhao, Zhimin Zeng, Chunyan Feng, Fangfang Liu
Format: Article
Language:English
Published: IEEE 2017-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/8070928/