Comparison of Single Carrier FTN-QAM and PCS-QAM for Amplifier-less Coherent Communication Systems
Dongdong Zou, Fan Li, Wei Wang, Zhongxing Tian, Yuheng Liu, Gangxiang Shen, and Yi Cai

TL;DR
This paper compares the performance of FTN-QAM and PCS-QAM modulation schemes in amplifier-less short-reach coherent communication systems, highlighting the advantages of FTN-16QAM with phase tracking and turbo equalization.
Contribution
It provides a performance comparison demonstrating FTN-QAM's power margin advantage over PCS-QAM in specific system configurations.
Findings
FTN-16QAM has about 0.9dB power margin advantage over PCS-64QAM.
Phase tracking partial response DFE and turbo equalization improve system performance.
The study focuses on amplifier-less short-reach coherent communication systems.
Abstract
A performance comparison of FTN-QAM and PCS-QAM for amplifier-less short-reach coherent communication systems is provided. With the applications of phase tracking partial response DFE and turbo equalization strategy, FTN-16QAM exhibits about 0.9dB power margin advantage over PCS-64QAM.
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Taxonomy
TopicsPAPR reduction in OFDM · Optical Network Technologies · Advanced Power Amplifier Design
