A Gaussian noise model of spectral amplitudes in soliton communication systems
Date
2015
Authors
Zhang, Q.
Chan, T.H.
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Conference paper
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IEEE workshop on signal processing advances in wireless communications, SPAWC, 2015, vol.2015, iss.article no. 7227079, pp.455-459
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2015 IEEE 16th International workshop on signal processing advances in wireless communications (SPAWC) (28 Jun 2015 - 1 Jul 2015 : Stockholm, Sweden)
Abstract
Using the nonlinear Fourier transform, one can transform a time-domain fibre channel (characterised by the nonlinear Schrödinger equation) into multiple parallel independent channels. Exploiting this property, nonlinear frequency division multiplexing (NFDM) was proposed [1]. Such an NFT-based transmission approach has prompted the study of the channel noise (on the eigenvalues and spectral amplitudes) in the (nonlinear) spectral domain. In this paper, we propose a consistent noise model for the evolution of an eigenvalue. Then, following the approach in [2] , we develop a Gaussian noise model for a spectral amplitude (assuming its perturbation is largely due to the perturbation in the eigenvalue).
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Copyright 2015 IEEE