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Research on Precoding Enabled Geometrically Shaped 64- QAM Signal in Short-Reach DMT Transmission Systems

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Abstract

In short-reach DMT transmission systems, we proposed geometrically-shaped (GS) 64-QAM signal, which can achieve significant shaping gain while ensuring lower demodulation complexity. The results show that precoding enabled GS-64QAM DMT outperforms uniform 64- QAM DMT.

© 2021 The Author(s)

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