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

doi:10.1117/1.OE.53.9.096109

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

Author Affiliations +

Funded by: Hunan Provincial Natural Science Foundation of China, Natural Science Foundation of Hunan Province China

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.

Citation Download Citation

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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