English

Mitigating Nonlinear Interference by Limiting Energy Variations in Sphere Shaping

Signal Processing 2022-01-11 v2
Authors: Yunus Can Gültekin , Alex Alvarado , Olga Vassilieva , Inwoong Kim , Paparao Palacharla , Chigo Okonkwo , Frans M. J. Willems
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Abstract

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.

Keywords

wireless communication antenna arrays and beamforming wireless channel characterization

Cite

@article{arxiv.2201.00674,
  title  = {Mitigating Nonlinear Interference by Limiting Energy Variations in Sphere Shaping},
  author = {Yunus Can Gültekin and Alex Alvarado and Olga Vassilieva and Inwoong Kim and Paparao Palacharla and Chigo Okonkwo and Frans M. J. Willems},
  journal= {arXiv preprint arXiv:2201.00674},
  year   = {2022}
}

Comments

3 pages, 4 figures, accepted to be presented at the OFC 2022, a few numeric typos are corrected (v2: a typo in the caption of Fig. 4 is fixed)

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R2 v1 2026-06-24T08:38:41.118Z