Simplified LDPC-assisted CNC algorithm for entropy-loaded discrete multi-tone in a 100G flexible-rate PON - Mo, Wenxuan; Zhou, Ji; Liu, Gengchen; Huang, Yuanda; Li, Liangchuan; Cui, Han; Wang, Haide; Lu, Qingxin; Liu, Weiping; Yu, Changyuan (Optics express, 2023)