Preamble Design and Burst-Mode DSP for Upstream Reception of 200G Coherent TDM-PON
Haide Wang, Ji Zhou, Jinyang Yang, Zhiyang Liu, Cheng Li, Weiping Liu, Changyuan Yu
Abstract
Burst-mode DSP based on 10ns preamble is proposed for upstream reception of 200G coherent TDM-PON. The 128-symbol tone preamble is used for SOP, frequency offset, and sampling phase estimation, while the 192-symbol CAZAC preamble is used for frame synchronization and channel estimation.