Mitigating Nonlinear Interference by Limiting Energy Variations in Sphere Shaping

Yunus Can Gültekin,Alex Alvarado,Olga Vassilieva,Inwoong Kim,Paparao Palacharla,Chigo Okonkwo,Frans M. J. Willems

2022 OPTICAL FIBER COMMUNICATIONS CONFERENCE AND EXHIBITION (OFC)（2022）

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摘要

Band-trellis enumerative sphere shaping is proposed to decrease the energy variations in channel input sequences. Against sphere shaping, 0.74 dB SNR gain and up to 9% increase in data rates are demonstrated for single-span systems. (C) 2021 The Author(s)

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关键词

nonlinear interference,energy variations,band-trellis enumerative sphere shaping,channel input sequences,data rates,SNR gain,single-span systems,gain 0.74 dB

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