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Nonlinear Interference Analysis of Probabilistic Shaping vs. 4D Geometrically Shaped Formats

Information Theory 2020-10-20 v1 Signal Processing math.IT
Authors: Bin Chen , Chigo Okonkwo , Alex Alvarado
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Abstract

Performance trade-offs between linear shaping and nonlinear tolerance of the recently introduced 4D orthant-symmetric 128-ary modulation format are investigated. Numerical simulations show 9.3% reach increase with respect to the 7b4D-2A8PSK format and probabilistically-shaped 16QAM with short blocklength.

Cite

@article{arxiv.2010.08981,
  title  = {Nonlinear Interference Analysis of Probabilistic Shaping vs. 4D Geometrically Shaped Formats},
  author = {Bin Chen and Chigo Okonkwo and Alex Alvarado},
  journal= {arXiv preprint arXiv:2010.08981},
  year   = {2020}
}

Comments

4 pages, 5 figures, accepted by ECOC 2020 SC6

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