Training Sequence based Cycle Slip Suppression for FTN-16QAM Coherent Optical Systems

Yingkai Qin,Tao Yang,Yongben Wang,Weiming Wang,Weiqin Zhou,Liangjun Zhang,Xue Chen,Jialin You

Asia Communications and Photonics Conference 2021（2021）

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摘要

A carrier phase estimation algorithm based on training sequence is proposed for FTN-PM-16QAM system. The simulation results show that it could suppress cycle slips and exhibit a linewidth tolerance of 2.2MHz @BER=2E-2 with 0.39% overhead.

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关键词

training sequence,cycle slip suppression,coherent optical systems,carrier phase estimation,FTN-PM-16QAM system,linewidth tolerance,faster-than-Nyquist rate,frequency 2.2 MHz

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