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,, and Changyuan Yu
TL;DR
This paper introduces a burst-mode digital signal processing technique using specific preambles for efficient upstream reception in 200G coherent TDM-PON systems, enhancing synchronization and channel estimation.
Contribution
It proposes a novel burst-mode DSP method with tailored preambles for high-speed coherent TDM-PON upstream reception, improving synchronization accuracy.
Findings
Effective SOP, frequency offset, and phase estimation using 128-symbol tone preamble
Frame synchronization and channel estimation achieved with 192-symbol CAZAC preamble
Supports 200G coherent TDM-PON upstream data transmission
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.
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Taxonomy
TopicsAdvanced Photonic Communication Systems · Photonic and Optical Devices · Optical Network Technologies