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19 September 2014 Improved eighth-order statistics blind phase recovery algorithm for coherent receivers with 16-QAM modulation format
Yun Cheng, Jiangnan Xiao, Jing He, Jin Tang, Minlei Xiao, Ze Dong, Lin Chen
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Optical Engineering, Vol. 53, Issue 9, 096109 (September 2014). https://doi.org/10.1117/1.OE.53.9.096109
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.
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2014/$25.00 © 2014 SPIE
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Yun Cheng, Jiangnan Xiao, Jing He, Jin Tang, Minlei Xiao, Ze Dong, and Lin Chen "Improved eighth-order statistics blind phase recovery algorithm for coherent receivers with 16-QAM modulation format," Optical Engineering 53(9), 096109 (19 September 2014). https://doi.org/10.1117/1.OE.53.9.096109
Published: 19 September 2014
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KEYWORDS
Phase shift keying
Modulation
Receivers
Quadrature amplitude modulation
Computing systems
Digital signal processing
Optical engineering
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