@InProceedings{cho2017normalized, author = {Cho, Junho and Schmalen, Laurent and Winzer, Peter J}, title = {Normalized generalized mutual information as a forward error correction threshold for probabilistically shaped QAM}, book_title = {Proc. Eur. Conf. Opt. Commun. (ECOC)}, pages = {1–3}, address = {Gothenburg, Sweden}, month = Sep, year = {2017}, }