Autoencoder Learning of Nonlinear Constellation Shape for Fiber-Wireless Convergence System

• DOI: 10.23919/ofc49934.2023.10116864
• Publication Date: 2023-05-19T17:26:19Z
• Authors: Xiang Liu; Jiao Zhang; Min Zhu; Weidong Tong; Zhigang Xin; Yunwu Wang; Mingzheng Lei; Bingchang Hua; Yuancheng Cai; Yucong Zou; Jianjun Yu

We propose and experimentally demonstrate a novel nonlinear constellation shape auto optimization method with a complex-valued 2D-ANN equalizer. Up to 70% lower BER compared with the conventional format is achieved at 50 Gbps in fiber-MMW system.