Joint Equalization of RSOP and PMD Impairments Based on Square-root Cubature Kalman Filter for PDM-16QAM System

被引：1

作者：

Sun, Zukai ^{[1
]}

Xu, Hengying ^{[2
]}

Bai, Chenglin ^{[2
]}

Zhang, Yining ^{[3
]}

Cao, Lingguo ^{[1
]}

Yang, Fan ^{[1
]}

Gao, Hongbing ^{[1
]}

Bi, Yanfeng ^{[1
]}

Cui, Nan

机构：

[1] Liaocheng Univ, Sch Phys Sci & Informat Engn, Liaocheng, Peoples R China

[2] Liaocheng Univ, Sch Phys Sci & Informat Engn, Shandong Prov Key Lab Optic Commun Sci & Technol, Liaocheng Key Lab Ind Internet Res & Applicat, Liaocheng, Shandong, Peoples R China

[3] Liaocheng Univ, Sch Math Sci, Liaocheng, Shandong, Peoples R China

来源：

2022 ASIA COMMUNICATIONS AND PHOTONICS CONFERENCE, ACP | 2022年

基金：

中国国家自然科学基金;

关键词：

polarization mode dispersion; rotation of state of polarization; Square-root cubature Kalman filter;

D O I：

10.1109/ACP55869.2022.10088830

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, a polarization demultiplexing scheme based on Square-root cubature Kalman filter (SCKF) is proposed, which can compensate polarization mode dispersion in the frequency domain and track the rotation of state of polarization (RSOP) in the time domain. The performance of the SCKF scheme has verified by 28 GBaud PDM-16QAM system. The simulation results demonstrate that the proposed scheme can handle ultra-fast RSOP up to 55 Mrad/s, and still has a compensation capability of about 90 ps for different group delay (DGD) under the extreme RSOP variation of 15 Mrad/s. It achieves a higher performance than the conventional Extended Kalman filter (EKF) and has a higher OSNR tolerance of about 1dB. The time complexity of SCKF is O(NlogN).

引用

页码：855 / 860

页数：6

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