Mitigating Nonlinear Interference by Limiting Energy Variations in Sphere Shaping

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.

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Bibliographic Details
Published inarXiv.org
Main Authors Yunus Can Gültekin, Alvarado, Alex, Vassilieva, Olga, Kim, Inwoong, Palacharla, Paparao, Okonkwo, Chigo, Willems, Frans M J
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 10.01.2022
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Summary: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.
ISSN:2331-8422