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Optical Engineering

Improved eighth-order statistics blind phase recovery algorithm for coherent receivers with 16-QAM modulation format
Author(s): Yun Cheng; Jiangnan Xiao; Jing He; Jin Tang; Minlei Xiao; Ze Dong; Lin Chen
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Paper Abstract

An improved eighth-order statistics (EOS) blind phase recovery method is proposed for high-order coherent modulation formats. The method uses a multistage feed-forward carrier phase recovery algorithm by combining an EOS blind phase estimate with a maximum-likelihood carrier phase estimate. Experimental results show that the proposed new algorithm can reduce the required computational effort by more than a factor of 3 for a 16-QAM system.

Paper Details

Date Published: 19 September 2014
PDF: 5 pages
Opt. Eng. 53(9) 096109 doi: 10.1117/1.OE.53.9.096109
Published in: Optical Engineering Volume 53, Issue 9
Show Author Affiliations
Yun Cheng, Hunan Univ. of Humanities (China)
Jiangnan Xiao, Hunan University (China)
Jing He, Hunan Univ. (China)
Jin Tang, Hunan Univ. (China)
Minlei Xiao, Hunan Univ. of Humanities (China)
Ze Dong, Hunan Univ. (China)
Lin Chen, Hunan Univ. (China)


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