2021
DOI: 10.1109/jlt.2021.3054949
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Carrier Phase Recovery Based on KL Divergence in Probabilistically Shaped Coherent Systems

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Cited by 8 publications
(3 citation statements)
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“…At present, the algorithms for QAM CPR mainly include Blind phase searching (BPS), improved BPS (BPS/maximum likelihood), decision aided maximum likelihood (DA-ML), etc. [25][26][27] BPS is recognized as a favorable solution due to its high performance and suitability for parallel processing and can be used in feedforward manner.…”
Section: Carrier Phase Recoverymentioning
confidence: 99%
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“…At present, the algorithms for QAM CPR mainly include Blind phase searching (BPS), improved BPS (BPS/maximum likelihood), decision aided maximum likelihood (DA-ML), etc. [25][26][27] BPS is recognized as a favorable solution due to its high performance and suitability for parallel processing and can be used in feedforward manner.…”
Section: Carrier Phase Recoverymentioning
confidence: 99%
“…Due to the 4-fold ambiguity of the recovered phase in the square M-QAM, the blind algorithms may cause incorrect phase estimation by a multiple of π=2 causing cycle slip. This problem can be solved by using framing information or by applying differential coding [23][24][25].…”
Section: Carrier Phase Recoverymentioning
confidence: 99%
“…Já em [147], um método de CPR baseado na divergência de Kullback-Leibler (KL) é proposto [71,Cap. 2].…”
Section: Desdobramentosunclassified