[TuP-B] Poster Session 1

[TuP-B-25] Complexity-Efficient LLR Estimation Using Piecewise Polynomial Fitting for LDPC Decoding in 100 Gb/s Bandwidth-Limited Flexible-Rate IM/DD System

○Yiao Zhang¹, Xiangchen Kong¹, Yanlu Huang¹, Liyan Wu ¹, Shangya Han¹, Kai Jin¹, Yanni Ou¹, Kun Xu¹ (1. Beijing University of Posts and Telecommunications (China))

Keywords:

Coding and forward error correction for optical communications,Digital signal processing,advanced modulation,coding and multiplexing,Modeling of transmission,of capacity or reach limits of transmission systems

We demonstrate a low complexity LLR estimation method based on piecewise polynomial fitting for LDPC decoding in 100Gb/s bandwidth-limited flexible-rate IM/DD system, which reduces complexity by more than 90% while maintaining almost equivalent performance.