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Title: A performance investigation of adaptive phase estimations in coherent optical communications
Authors: Zhang, S.
Xu, L.
Kam, P.Y. 
Yu, C. 
Chen, J.
Wang, T.
Keywords: Adaptive receiver
coherent detection
laser phase noise
phase estimation (PE)
quadrature amplitude modulation (QAM)
Issue Date: 2011
Citation: Zhang, S., Xu, L., Kam, P.Y., Yu, C., Chen, J., Wang, T. (2011). A performance investigation of adaptive phase estimations in coherent optical communications. IEEE Photonics Technology Letters 23 (8) : 462-464. ScholarBank@NUS Repository.
Abstract: We carried out a comprehensive analysis to examine the phase error variances in three adaptive phase estimation (PE) methods: the adaptive decision-aided PE, the Kalman PE, and the normalized least-mean square PE algorithms. The results show that they share the same phase error variances but with different approaches to determine the stepsize. Their performances in different quadrature amplitude modulation formats are analytically investigated for the purpose of determining the laser linewidth tolerance. © 2006 IEEE.
Source Title: IEEE Photonics Technology Letters
ISSN: 10411135
DOI: 10.1109/LPT.2011.2109058
Appears in Collections:Staff Publications

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