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Conference Paper
Optical Fiber Communication Conference
Los Angeles, California United States
March 6-10, 2011
ISBN: 978-1-55752-906-0
Clock and Carrier Phase Estimation (OMJ)

Low-Complexity Two-Stage Carrier Phase Estimation for 16-QAM Systems using QPSK Partitioning and Maximum Likelihood Detection

Yuliang Gao, Alan Pak Tao Lau, Chao Lu, Jian Wu, Yan Li, Xu Kun, Wei Li, and Tong J. Lin  »View Author Affiliations


http://dx.doi.org/10.1364/OFC.2011.OMJ6


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Abstract

A feedforward carrier phase estimation algorithm using a modified QPSK partition approach followed by maximum-likelihood (ML) detection is proposed. Results demonstrate complexity reduction by more than a factor of 2 compared with other techniques.

© 2011 OSA

OCIS Codes
(060.1660) Fiber optics and optical communications : Coherent communications
(060.4510) Fiber optics and optical communications : Optical communications
(060.5060) Fiber optics and optical communications : Phase modulation

Citation
Y. Gao, A. P. T. Lau, C. Lu, J. Wu, Y. Li, X. Kun, W. Li, and T. J. Lin, "Low-Complexity Two-Stage Carrier Phase Estimation for 16-QAM Systems using QPSK Partitioning and Maximum Likelihood Detection," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011, OSA Technical Digest (CD) (Optical Society of America, 2011), paper OMJ6.
http://www.opticsinfobase.org/abstract.cfm?URI=OFC-2011-OMJ6


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