Please use this identifier to cite or link to this item: https://doi.org/10.1109/LPT.2009.2039563
Title: Pilot-assisted decision-aided maximum-likelihood phase estimation in coherent optical phase-modulated systems with nonlinear phase noise
Authors: Zhang, S.
Li, X.
Kam, P.Y. 
Yu, C. 
Chen, J.
Keywords: Coherent detection
Decision-aided maximum-likelihood (DA ML)
Differential encoding (DE)
Laser phase noise
M-ary PSK
Nonlinear phase noise (NLPN)
Phase estimation (PE)
Pilot symbols
Issue Date: 15-Mar-2010
Citation: Zhang, S., Li, X., Kam, P.Y., Yu, C., Chen, J. (2010-03-15). Pilot-assisted decision-aided maximum-likelihood phase estimation in coherent optical phase-modulated systems with nonlinear phase noise. IEEE Photonics Technology Letters 22 (6) : 380-382. ScholarBank@NUS Repository. https://doi.org/10.1109/LPT.2009.2039563
Abstract: We proposed pilot-assisted (PA) decision-aided maximum-likelihood (DA ML) phase estimation for coherent optical M-ary phase-shift-keying systems. In a nonlinear-phase-noise channel with laser phase noise, the required launched power at bit-error-rate (BER) =10 -4 using the proposed PA DA ML algorithm without differential encoding (DE) can be reduced by about 0.7 dB in quadrature phase-shift keying and eight-phase-shift keying systems, and about 0.4 dB in 16-quadrature amplitude modulation format, compared to their DE counterparts using DA ML. © 2006 IEEE.
Source Title: IEEE Photonics Technology Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/82913
ISSN: 10411135
DOI: 10.1109/LPT.2009.2039563
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