Blind phase noise estimation for CO-OFDM transmissions

Son Thai Le; Paul A. Haigh; Andrew D. Ellis; Sergei K. Turitsyn

doi:10.1109/JLT.2015.2469542

Blind phase noise estimation for CO-OFDM transmissions

Son Thai Le, Paul A. Haigh, Andrew D. Ellis, Sergei K. Turitsyn

Aston Institute of Photonic Technologies (AiPT)

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

Abstract

In this paper, we discuss in detail the performance of different blind phase noise estimation schemes for coherent optical orthogonal frequency-division multiplexing transmissions. We first derive a general model of such systems with phase noise. Based on this model, the phase cycle slip probability in blind phase noise estimation is calculated. For blind phase tracking, we present and discuss the implementation of feedback loop and digital phase tracking. We then analyze in detail the performance of a decision-direct-free blind scheme, in which only three test phases are required for phase noise compensation. We show that the decision-direct-free blind scheme is transparent to QAM formats, and can provide a similar performance to the conventional blind phase search employing 16 test phases. We also propose two novel cost functions to further reduce the complexity of this scheme.

Original language	English
Pages (from-to)	745-753
Number of pages	9
Journal	Journal of Lightwave Technology
Volume	34
Issue number	2
Early online date	17 Aug 2015
DOIs	https://doi.org/10.1109/JLT.2015.2469542
Publication status	Published - 15 Jan 2016

Bibliographical note

© 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Funding: EPSRC Program UNLOC (EP/J017582/1) and PEACE (EP/L000091/1); and EC FP7 FOX-C (318415).

Keywords

coherent
orthogonal frequency division multiplexing
phase estimation
phase noise

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10.1109/JLT.2015.2469542

Blind phase noise estimation for CO-OFDM transmissions
© 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Accepted author manuscript, 499 KB

http://ieeexplore.ieee.org/document/7208793/?arnumber=7208793

Cite this

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title = "Blind phase noise estimation for CO-OFDM transmissions",

abstract = "In this paper, we discuss in detail the performance of different blind phase noise estimation schemes for coherent optical orthogonal frequency-division multiplexing transmissions. We first derive a general model of such systems with phase noise. Based on this model, the phase cycle slip probability in blind phase noise estimation is calculated. For blind phase tracking, we present and discuss the implementation of feedback loop and digital phase tracking. We then analyze in detail the performance of a decision-direct-free blind scheme, in which only three test phases are required for phase noise compensation. We show that the decision-direct-free blind scheme is transparent to QAM formats, and can provide a similar performance to the conventional blind phase search employing 16 test phases. We also propose two novel cost functions to further reduce the complexity of this scheme.",

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Blind phase noise estimation for CO-OFDM transmissions

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