Two-Stage Pilot-Aided Carrier Phase Recovery Algorithm for FTN System

Yixuan Tan; Minming Geng; Mingbin Lai; Fengying Lai; Wenjun Su; Qiang Liu; Zhenrong Zhang

doi:10.3788/AOS221456

Acta Optica Sinica, Volume. 43, Issue 3, 0306003(2023)

Two-Stage Pilot-Aided Carrier Phase Recovery Algorithm for FTN System

Yixuan Tan^1,2、**, Minming Geng^1,2,3,4、*, Mingbin Lai^1,2, Fengying Lai^1,2, Wenjun Su¹, Qiang Liu^1,2, and Zhenrong Zhang^1,2

Author Affiliations

¹School of Computer, Electronics and Information, Guangxi University, Nanning 530004, Guangxi, China

²Guangxi Key Laboratory of Multimedia Communications and Network Technology, Nanning 530004, Guangxi, China

³Key Laboratory of Multimedia Communications and Information Processing of Guangxi Higher Education Institutes, Nanning 530004, Guangxi, China

⁴Guangxi Experiment Center of Information Science, Guilin 541004, Guangxi, China

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Figures & Tables(10)

Fig. 1. Phase-noise tracking performance of different algorithms under different acceleration factors. (a) VVPE ( $α$ =1.00); (b) VVPE ( $α$ =0.85); (c) BPS ( $α$ =1.00); (d) BPS ( $α$ =0.85); (e) PA-CPR ( $α$ =1.00); (f) PA-CPR ( $α$ =0.85)

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Fig. 2. Block diagram of PDM-16QAM FTN transmission system

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Fig. 3. Schematic diagram of electric-domain pilot scheme

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Fig. 4. Block diagram of PA-Viterbi-ML phase estimation algorithm

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Fig. 5. BER varying with PSR under different $Δ f \cdot T_{s}$ at OSNR of 18 dB

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Fig. 6. BER varying with $B_{L P F}$ under different $Δ f \cdot T_{s}$ at OSNR of 18 dB

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Fig. 7. Phase noise tracking performance of PA-Viterbi-ML algorithm at $α$ =0.833

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Fig. 8. BER varying with OSNR under different acceleration factors

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Fig. 9. OSNR penalties of different CPR algorithms at BER of 2×10^-2

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Table 1. Linewidth tolerance of different CPR algorithms under different $α$ in PDM-16QAM FTN system
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Table 1. Linewidth tolerance of different CPR algorithms under different $α$ in PDM-16QAM FTN system
$α$ PA-CPR PA-Viterbi-ML
$m a x (Δ f \cdot T_{s})$ /10^-3 $Δ f_{m a x}$ /MHz $m a x (Δ f \cdot T_{s})$ /10^-3 $Δ f_{m a x}$ /MHz
0.950 1.8 50.4 1.9 53.2
0.890 1.7 47.6 1.8 50.4
0.850 1.3 36.4 1.5 42.0
0.833 0.1 2.8 0.5 14.0

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Yixuan Tan, Minming Geng, Mingbin Lai, Fengying Lai, Wenjun Su, Qiang Liu, Zhenrong Zhang. Two-Stage Pilot-Aided Carrier Phase Recovery Algorithm for FTN System[J]. Acta Optica Sinica, 2023, 43(3): 0306003

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Jul. 11, 2022

Accepted: Aug. 22, 2022

Published Online: Feb. 13, 2023

The Author Email: Tan Yixuan (460415446@qq.com), Geng Minming (gengmm@gxu.edu.cn)

DOI:10.3788/AOS221456

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Linewidth tolerance of different CPR algorithms under different α in PDM-16QAM FTN system

Table 1. Linewidth tolerance of different CPR algorithms under different α in PDM-16QAM FTN system

Table 1. Linewidth tolerance of different CPR algorithms under different $α$ in PDM-16QAM FTN system

Table 1. Linewidth tolerance of different CPR algorithms under different $α$ in PDM-16QAM FTN system