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 Kong, Yiao Zhang, Liyan Wu, Yanlu Huang, Shangya Han, Kai Jin, Yanni Ou, Kun Xu (Beijing Univ. 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.