A flexible decision-aided maximum likelihood phase estimation method

Jian Chen; Ping Wang; Xiaodi You; Changyuan Yu

doi:10.1117/12.2193299

A flexible decision-aided maximum likelihood phase estimation method

Jian Chen
, Ping Wang
, Xiaodi You
, Changyuan Yu

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

1 Citation (Scopus)

Abstract

In coherent optical phase-shift-keying (PSK) system, the conventional decision-aided maximum likelihood (DA-ML) phase estimator only considers constant phase noise over the entire observation interval. In this paper, we take into account the time-varying phase noise and propose a flexible DA-ML phase estimator for carrier phase estimation. The weighted coefficients are introduced to estimate carrier phase more accurately than the conventional scheme. The phase estimation error of this flexible DA-ML receiver is analyzed and compared with results from the conventional DA-ML receiver. The analytical bit error rate (BER) follows well with Monte Carlo (MC) simulations. Simulation results also show that by using the flexible DA-ML receiver in quadrature PSK (QPSK) system, bit signal-to-noise ratio (SNR) improvement over the conventional DA-ML receiver at BER of 10-3is 0.2dB and 1.2dB with block length of 20 and 50, respectively, when the laser linewidth is 2MHz.

Original language	English
Title of host publication	2015 International Conference on Optical Instruments and Technology
Subtitle of host publication	Optoelectronic Devices and Optical Signal Processing, OIT 2015
Publisher	SPIE
Volume	9619
ISBN (Electronic)	9781628418002
DOIs	https://doi.org/10.1117/12.2193299
Publication status	Published - 1 Jan 2015
Externally published	Yes
Event	2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, OIT 2015 - Beijing, China Duration: 17 May 2015 → 19 May 2015

Conference

Conference	2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, OIT 2015
Country/Territory	China
City	Beijing
Period	17/05/15 → 19/05/15

Keywords

Coherent optical communications
Decision-aided
Laser phase noise
Maximum likelihood
PSK
Weighted coefficients

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

More information

10.1117/12.2193299

Cite this

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title = "A flexible decision-aided maximum likelihood phase estimation method",

abstract = "In coherent optical phase-shift-keying (PSK) system, the conventional decision-aided maximum likelihood (DA-ML) phase estimator only considers constant phase noise over the entire observation interval. In this paper, we take into account the time-varying phase noise and propose a flexible DA-ML phase estimator for carrier phase estimation. The weighted coefficients are introduced to estimate carrier phase more accurately than the conventional scheme. The phase estimation error of this flexible DA-ML receiver is analyzed and compared with results from the conventional DA-ML receiver. The analytical bit error rate (BER) follows well with Monte Carlo (MC) simulations. Simulation results also show that by using the flexible DA-ML receiver in quadrature PSK (QPSK) system, bit signal-to-noise ratio (SNR) improvement over the conventional DA-ML receiver at BER of 10-3is 0.2dB and 1.2dB with block length of 20 and 50, respectively, when the laser linewidth is 2MHz.",

keywords = "Coherent optical communications, Decision-aided, Laser phase noise, Maximum likelihood, PSK, Weighted coefficients",

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language = "English",

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booktitle = "2015 International Conference on Optical Instruments and Technology",

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Chen, J, Wang, P, You, X & Yu, C 2015, A flexible decision-aided maximum likelihood phase estimation method. in 2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, OIT 2015. vol. 9619, 961907, SPIE, 2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, OIT 2015, Beijing, China, 17/05/15. https://doi.org/10.1117/12.2193299

A flexible decision-aided maximum likelihood phase estimation method. / Chen, Jian; Wang, Ping; You, Xiaodi et al.
2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, OIT 2015. Vol. 9619 SPIE, 2015. 961907.

Research output: Chapter in book / Conference proceeding › Conference article published in proceeding or book › Academic research › peer-review

TY - GEN

T1 - A flexible decision-aided maximum likelihood phase estimation method

AU - Chen, Jian

AU - Wang, Ping

AU - You, Xiaodi

AU - Yu, Changyuan

PY - 2015/1/1

Y1 - 2015/1/1

N2 - In coherent optical phase-shift-keying (PSK) system, the conventional decision-aided maximum likelihood (DA-ML) phase estimator only considers constant phase noise over the entire observation interval. In this paper, we take into account the time-varying phase noise and propose a flexible DA-ML phase estimator for carrier phase estimation. The weighted coefficients are introduced to estimate carrier phase more accurately than the conventional scheme. The phase estimation error of this flexible DA-ML receiver is analyzed and compared with results from the conventional DA-ML receiver. The analytical bit error rate (BER) follows well with Monte Carlo (MC) simulations. Simulation results also show that by using the flexible DA-ML receiver in quadrature PSK (QPSK) system, bit signal-to-noise ratio (SNR) improvement over the conventional DA-ML receiver at BER of 10-3is 0.2dB and 1.2dB with block length of 20 and 50, respectively, when the laser linewidth is 2MHz.

AB - In coherent optical phase-shift-keying (PSK) system, the conventional decision-aided maximum likelihood (DA-ML) phase estimator only considers constant phase noise over the entire observation interval. In this paper, we take into account the time-varying phase noise and propose a flexible DA-ML phase estimator for carrier phase estimation. The weighted coefficients are introduced to estimate carrier phase more accurately than the conventional scheme. The phase estimation error of this flexible DA-ML receiver is analyzed and compared with results from the conventional DA-ML receiver. The analytical bit error rate (BER) follows well with Monte Carlo (MC) simulations. Simulation results also show that by using the flexible DA-ML receiver in quadrature PSK (QPSK) system, bit signal-to-noise ratio (SNR) improvement over the conventional DA-ML receiver at BER of 10-3is 0.2dB and 1.2dB with block length of 20 and 50, respectively, when the laser linewidth is 2MHz.

KW - Coherent optical communications

KW - Decision-aided

KW - Laser phase noise

KW - Maximum likelihood

KW - PSK

KW - Weighted coefficients

UR - https://www.scopus.com/pages/publications/84943414918

U2 - 10.1117/12.2193299

DO - 10.1117/12.2193299

M3 - Conference article published in proceeding or book

VL - 9619

BT - 2015 International Conference on Optical Instruments and Technology

PB - SPIE

T2 - 2015 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, OIT 2015

Y2 - 17 May 2015 through 19 May 2015

ER -

A flexible decision-aided maximum likelihood phase estimation method

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Conference

Keywords

ASJC Scopus subject areas

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