Modeling perturbation of scattering coefficients by using dominating noise subspace

Conference paper (2020)

Authors

Terence H. Chan University of South Australia
Wenqi Zhang University of South Australia
S. Wahls Team Sander Wahls - Mechanical, Maritime and Materials Engineering
Alan Pak Tao Lau The Hong Kong Polytechnic University
V. Shahraam Afshar University of South Australia
Research Group
Team Sander Wahls (Mechanical, Maritime and Materials Engineering) (TU Delft)
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Published Date

2020

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Delft Center for Systems and Control

Research Group

Team Sander Wahls

Abstract

Characterizing the perturbation of scattering coefficients by an additive noise is a key problem to understanding the channel model for a Nonlinear Fourier Transform (NFT) based fibre optical transmission system. In this paper, we show numerically that the perturbation of scattering coefficients is mainly contributed by the noise component (which has significantly lower power than the overall noise) from a dominating noise subspace. An explicit characterization of the subspace is obtained by approximating the derivatives of the scattering coefficients.

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