Comparison of Single Carrier FTN-QAM and PCS-QAM for Amplifier-less Coherent Communication Systems

arXiv (Cornell University) 2026 Preprint Open access

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Authors: Dongdong Zou, Fan Li, Wang, Wei, Zhongxing Tian, Yuheng Liu, Gangxiang Shen, Yi Cai
Cited by: 0

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.

Fields of Study & Subjects

Optical Network Technologies Advanced Wireless Communication Techniques Optical Wireless Communication Technologies

Publication details

Journal / source
arXiv (Cornell University)
Publication date
25 January 2026
Document type
Preprint