@article{neuralnetworksbasedpostequalizationin, title = {Deep Neural Network-aided Soft-Demapping in Optical Coherent Systems: Regression versus Classification}, author = {Pedro J. Freire and Jaroslaw E. Prilepsky and Yevhenii Osadchuk and Sergei K. Turitsyn and Vahid Aref}, year = {2021}, eprint = {2109.13843}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2109.13843v5}, }