NLIN Mitigation Using Turbo Equalization and an Extended Kalman Smoother

Ori Golani; Meir Feder; Mark Shtaif

doi:https://doi.org/10.1109/JLT.2019.2894638

NLIN Mitigation Using Turbo Equalization and an Extended Kalman Smoother

Ori Golani, Meir Feder, Mark Shtaif

School of Electrical Engineering

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

Abstract

We develop a method for inter-channel nonlinear interference noise (NLIN) mitigation, based on Turbo equalization and an extended Kalman smoother. The method exploits both the unique statistical properties of NLIN and soft-decision information from the code structure, to obtain improved channel state estimation and symbol detection. The error-free information rate is improved by up to 0.3 b/symbols/polarization, for a 1000 km, 64-QAM, 32 Gbaud transmission over standard fiber.

Original language	English
Article number	8624343
Pages (from-to)	1885-1892
Number of pages	8
Journal	Journal of Lightwave Technology
Volume	37
Issue number	9
DOIs	https://doi.org/10.1109/JLT.2019.2894638
State	Published - 1 May 2019

Keywords

Nonlinear interference
nonlinearity mitigation
optical fiber communication
time varying inter symbol interference

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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https://doi.org/10.1109/JLT.2019.2894638

Cite this

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abstract = "We develop a method for inter-channel nonlinear interference noise (NLIN) mitigation, based on Turbo equalization and an extended Kalman smoother. The method exploits both the unique statistical properties of NLIN and soft-decision information from the code structure, to obtain improved channel state estimation and symbol detection. The error-free information rate is improved by up to 0.3 b/symbols/polarization, for a 1000 km, 64-QAM, 32 Gbaud transmission over standard fiber.",

keywords = "Nonlinear interference, nonlinearity mitigation, optical fiber communication, time varying inter symbol interference",

author = "Ori Golani and Meir Feder and Mark Shtaif",

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AU - Shtaif, Mark

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N2 - We develop a method for inter-channel nonlinear interference noise (NLIN) mitigation, based on Turbo equalization and an extended Kalman smoother. The method exploits both the unique statistical properties of NLIN and soft-decision information from the code structure, to obtain improved channel state estimation and symbol detection. The error-free information rate is improved by up to 0.3 b/symbols/polarization, for a 1000 km, 64-QAM, 32 Gbaud transmission over standard fiber.

AB - We develop a method for inter-channel nonlinear interference noise (NLIN) mitigation, based on Turbo equalization and an extended Kalman smoother. The method exploits both the unique statistical properties of NLIN and soft-decision information from the code structure, to obtain improved channel state estimation and symbol detection. The error-free information rate is improved by up to 0.3 b/symbols/polarization, for a 1000 km, 64-QAM, 32 Gbaud transmission over standard fiber.

KW - Nonlinear interference

KW - nonlinearity mitigation

KW - optical fiber communication

KW - time varying inter symbol interference

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ER -

NLIN Mitigation Using Turbo Equalization and an Extended Kalman Smoother

Abstract

Keywords

All Science Journal Classification (ASJC) codes

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