Sequential Number-Theoretic Optimization for High-Dimensional Channel Equalization in Coherent Optical PDM Systems

Polarization-division multiplexing (PDM) in coherent optical communications enhances system capacity but is vulnerable to various channel distortions including transmitter and receiver in-phase/quadrature (IQ) mismatch, rotation of state of polarization (RSOP), frequency offset (FO) and phase noise...

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Bibliographic Details
Published in:	IEEE signal processing letters Vol. 32; pp. 2329 - 2333
Main Authors:	Liu, Shuai, Xu, Yangfan, Du, Xinwei
Format:	Journal Article
Language:	English
Published:	New York IEEE 2025 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Bit error rate Effectiveness Equalization Estimation frequency offset IQ mismatch Multiplexing Optical distortion Optical polarization Optical receivers Optical transmitters Optimization Phase noise Polarization Quadratures rotation of state of polarization (RSOP) Sequential number-theoretic optimization (SNTO) Signal detection Signal processing algorithms Signal to noise ratio Symbols Vectors
ISSN:	1070-9908, 1558-2361
Online Access:	Get full text
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