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- W3201873312 abstract "In this paper, we address the question of which type of predictive modeling, classification, or regression, fits better the task of equalization using neural networks (NN) based post-processing in coherent optical communication, where the transmission channel is nonlinear and dispersive. For the first time, we presented some possible drawbacks in using each type of predictive task in a machine learning context for the nonlinear channel equalization problem. We studied two types of equalizers based on the feed-forward and recurrent neural networks over several different transmission scenarios, in linear and nonlinear regimes of the optical channel. We observed in all those cases that the training based on regression results in faster convergence and finally a superior performance, in terms of Q-factor and achievable information rate." @default.
- W3201873312 created "2021-10-11" @default.
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- W3201873312 date "2021-09-28" @default.
- W3201873312 modified "2023-09-23" @default.
- W3201873312 title "Neural networks based post-equalization in coherent optical systems: regression versus classification" @default.
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