Presentation Information
[TuP-B-24]Adaptation of 5G NR LDPC-Coded Probabilistic Amplitude Shaping to 50 GBaud PAM4 Signals in IM/DD Bandwidth-limited System
○Xiangchen Kong1, Yiao Zhang1, Liyan Wu1, Yanlu Huang1, Shangya Han1, Kai Jin1, Yanni Ou1, Kun Xu1 (1.Beijing University of Posts and Telecommunications)
Keywords:
Coding and forward error correction for optical communications,Advanced modulation and demodulation for optical communications,Digital signal processing,advanced modulation,coding and multiplexing
We experimentally demonstrate 50-GBaud probabilistically shaped PAM4 via 5G NR LDPC-coded PAS over 20 km in IM/DD bandwidth-limited system, achieving up to 2.6 dB receiver sensitivity gain over uniformly distributed PAM4 post-FEC decoding and IDM.