no code implementations • 3 Jan 2022 • Yunus Can Gültekin, Alex Alvarado, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo Okonkwo, Frans M. J. Willems
Band-trellis enumerative sphere shaping is proposed to decrease the energy variations in channel input sequences.
no code implementations • 13 Sep 2021 • Kaiquan Wu, Gabriele Liga, Alireza Sheikh, Yunus Can Gültekin, Frans M. J. Willems, Alex Alvarado
Recently, a metric called energy dispersion index (EDI) was proposed to indicate the nonlinear interference (NLI) induced by correlated symbols during optical transmission.
no code implementations • 24 Jun 2021 • Franz Lampel, Alex Alvarado, Frans M. J. Willems
The time-invariance of the channel in the DD domain enables efficient equalizers for time-frequency dispersive channels.
no code implementations • 31 May 2021 • Yunus Can Gültekin, Alex Alvarado, Olga Vassilieva, Inwoong Kim, Paparao Palacharla, Chigo Okonkwo, Frans M. J. Willems
Nonlinear interference (NLI) generated during the propagation of an optical waveform through the fiber depends on the fourth order standardized moment of the channel input distribution, also known as kurtosis.
no code implementations • 24 Feb 2021 • Kaiquan Wu, Gabriele Liga, Alireza Sheikh, Frans M. J. Willems, Alex Alvarado
This blocklength dependency of SNR has been attributed to time-varying statistical properties of the symbol sequences, in particular, to variation of the symbol energies.
Information Theory Signal Processing Information Theory
