Linear and Nonlinear Frequency-Division Multiplexing

Mansoor Yousefi; Xianhe Yangzhang

doi:10.1109/TIT.2019.2941479

Linear and Nonlinear Frequency-Division Multiplexing

Mansoor Yousefi
, Xianhe Yangzhang

University College London

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

Two signal multiplexing schemes for optical fiber communication are considered: Wavelength-division multiplexing (WDM) and nonlinear frequency-division multiplexing (NFDM), based on the nonlinear Fourier transform. Achievable information rates (AIRs) of NFDM and WDM are compared in a network scenario with an ideal lossless model of the optical fiber in the defocusing regime. It is shown that the NFDM AIR is greater than the WDM AIR subject to a bandwidth and average power constraint, in a representative system with one symbol per user. The improvement results from nonlinear signal multiplexing.

langue originale	Anglais
Numéro d'article	8839847
Pages (de - à)	478-495
Nombre de pages	18
journal	IEEE Transactions on Information Theory
Volume	66
Numéro de publication	1
Les DOIs	https://doi.org/10.1109/TIT.2019.2941479
état	Publié - 1 janv. 2020

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title = "Linear and Nonlinear Frequency-Division Multiplexing",

abstract = "Two signal multiplexing schemes for optical fiber communication are considered: Wavelength-division multiplexing (WDM) and nonlinear frequency-division multiplexing (NFDM), based on the nonlinear Fourier transform. Achievable information rates (AIRs) of NFDM and WDM are compared in a network scenario with an ideal lossless model of the optical fiber in the defocusing regime. It is shown that the NFDM AIR is greater than the WDM AIR subject to a bandwidth and average power constraint, in a representative system with one symbol per user. The improvement results from nonlinear signal multiplexing.",

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AB - Two signal multiplexing schemes for optical fiber communication are considered: Wavelength-division multiplexing (WDM) and nonlinear frequency-division multiplexing (NFDM), based on the nonlinear Fourier transform. Achievable information rates (AIRs) of NFDM and WDM are compared in a network scenario with an ideal lossless model of the optical fiber in the defocusing regime. It is shown that the NFDM AIR is greater than the WDM AIR subject to a bandwidth and average power constraint, in a representative system with one symbol per user. The improvement results from nonlinear signal multiplexing.

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KW - nonlinear frequency-division multiplexing

KW - wavelength-division multiplexing

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Linear and Nonlinear Frequency-Division Multiplexing

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