Experimental Demonstration of a Low-Complexity Phase Noise Compensation for CO-OFDM Systems

Thanh Tu Nguyen; Son Thai Le; Marc Wuilpart; Patrice Megret

doi:10.1109/LPT.2018.2856586

Experimental Demonstration of a Low-Complexity Phase Noise Compensation for CO-OFDM Systems

Thanh Tu Nguyen^*
, Son Thai Le
, Marc Wuilpart
, Patrice Megret

^*Corresponding author for this work

Aston Institute of Photonic Technologies (AiPT)

University of Mons

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

In this letter, a low-complexity phase noise compensation scheme based on Kalman filtering theory is experimentally demonstrated for coherent optical orthogonal frequency-division multiplexing (CO-OFDM) transmissions. The proposed scheme can operate in two modes, pilot-aided mode and blind mode, resulting in a variety of phase noise tracking configurations upon particular transmission scenario. At a bit error rate of 3.8× 10-3 and for 40 GBaud 16-QAM 64 subcarriers CO-OFDM systems, the proposed method operating in the pilot-aided mode reduces the pilot overhead by a factor of 2 in comparison with the conventional pilot-aided scheme, while in the blind mode, our scheme's complexity is far superior to one of the state-of-the-art computational efficient decision-direct-free blind approach by a factor of 20.

Original language	English
Article number	8412221
Pages (from-to)	1467-1470
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	30
Issue number	16
Early online date	17 Jul 2018
DOIs	https://doi.org/10.1109/LPT.2018.2856586
Publication status	Published - 15 Aug 2018

Bibliographical note

Funding: This work was supported by the European Commission
FP7-PEOPLE through the ICONE Project under Grant #608099

Funding

Manuscript received May 28, 2018; revised June 26, 2018; accepted July 11, 2018. Date of publication July 17, 2018; date of current version July 30, 2018. This work was supported by the European Commission FP7-PEOPLE through the ICONE Project under Grant #608099. (Corresponding author: Tu Thanh Nguyen.) T. T. Nguyen, M. Wuilpart, and P. Mégret are with the Faculty of Engineering, University of Mons, 7000 Mons, Belgium (e-mail: tuthanh.nguyen@ student.umons.ac.be). S. T. Le is with Nokia Bell Labs, 70435 Stuttgart, Germany. Color versions of one or more of the figures in this letter are available online at http://ieeexplore.ieee.org. Digital Object Identifier 10.1109/LPT.2018.2856586

Keywords

CO-OFDM
Kalman filter
laser phase noise
low-complexity
phase noise compensation

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10.1109/LPT.2018.2856586

Cite this

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abstract = "In this letter, a low-complexity phase noise compensation scheme based on Kalman filtering theory is experimentally demonstrated for coherent optical orthogonal frequency-division multiplexing (CO-OFDM) transmissions. The proposed scheme can operate in two modes, pilot-aided mode and blind mode, resulting in a variety of phase noise tracking configurations upon particular transmission scenario. At a bit error rate of 3.8× 10-3 and for 40 GBaud 16-QAM 64 subcarriers CO-OFDM systems, the proposed method operating in the pilot-aided mode reduces the pilot overhead by a factor of 2 in comparison with the conventional pilot-aided scheme, while in the blind mode, our scheme's complexity is far superior to one of the state-of-the-art computational efficient decision-direct-free blind approach by a factor of 20.",

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N2 - In this letter, a low-complexity phase noise compensation scheme based on Kalman filtering theory is experimentally demonstrated for coherent optical orthogonal frequency-division multiplexing (CO-OFDM) transmissions. The proposed scheme can operate in two modes, pilot-aided mode and blind mode, resulting in a variety of phase noise tracking configurations upon particular transmission scenario. At a bit error rate of 3.8× 10-3 and for 40 GBaud 16-QAM 64 subcarriers CO-OFDM systems, the proposed method operating in the pilot-aided mode reduces the pilot overhead by a factor of 2 in comparison with the conventional pilot-aided scheme, while in the blind mode, our scheme's complexity is far superior to one of the state-of-the-art computational efficient decision-direct-free blind approach by a factor of 20.

AB - In this letter, a low-complexity phase noise compensation scheme based on Kalman filtering theory is experimentally demonstrated for coherent optical orthogonal frequency-division multiplexing (CO-OFDM) transmissions. The proposed scheme can operate in two modes, pilot-aided mode and blind mode, resulting in a variety of phase noise tracking configurations upon particular transmission scenario. At a bit error rate of 3.8× 10-3 and for 40 GBaud 16-QAM 64 subcarriers CO-OFDM systems, the proposed method operating in the pilot-aided mode reduces the pilot overhead by a factor of 2 in comparison with the conventional pilot-aided scheme, while in the blind mode, our scheme's complexity is far superior to one of the state-of-the-art computational efficient decision-direct-free blind approach by a factor of 20.

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Experimental Demonstration of a Low-Complexity Phase Noise Compensation for CO-OFDM Systems

Abstract

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Keywords

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