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Low Complexity Component Nonlinear Distortions Mitigation Scheme for Probabilistically Shaped 64-QAM Signals

Signal Processing 2020-12-24 v1
Authors: Yiwen Wu , Mengfan Fu , Huazhi Lun , Lilin Yi , Weisheng Hu , Qunbi Zhuge
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Abstract

We propose a degenerated hierarchical look-up table (DH-LUT) scheme to compensate component nonlinearities. For probabilistically shaped 64-QAM signals, it achieves up to 2-dB SNR improvement, while the size of table is only 8.59% compared to the conventional LUT method.

Keywords

wireless communication

Cite

@article{arxiv.2012.12727,
  title  = {Low Complexity Component Nonlinear Distortions Mitigation Scheme for Probabilistically Shaped 64-QAM Signals},
  author = {Yiwen Wu and Mengfan Fu and Huazhi Lun and Lilin Yi and Weisheng Hu and Qunbi Zhuge},
  journal= {arXiv preprint arXiv:2012.12727},
  year   = {2020}
}

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