Modeling perturbation of scattering coefficients by using dominating noise subspace
Date
2020
Authors
Chan, T.H.
Zhang, W.
Wahls, S.
Lau, A.P.T.
Shahraam Afshar, V.
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Conference paper
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2020 IEEE Global Communications Conference, GLOBECOM 2020 - Proceedings, 2020, pp.1-6
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2020 IEEE Global Communications Conference, GLOBECOM 2020 (7 Dec 2020 - 11 Dec 2020 : Virtual, Taipei, Taiwan)
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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Copyright 2020 IEEE