Channel estimation methods based on volterra kernels for MLSD in optical communication systems

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Maximum likelihood sequence detection (MLSD) is the most effective electrical domain equalization scheme for mitigating dispersive optical channel impairments such as chromatic dispersion or polarization-mode dispersion. Parameter estimation for MLSD is not straightforward in optical communication systems due to the square-law nature of photodiodes. We propose a simple and efficient channel parameter estimation scheme for MLSD based on Volterra kernel modeling of the nonlinear distortion of the electrical postdetection signals.

Original languageEnglish
Article number5373952
Pages (from-to)224-226
Number of pages3
JournalIEEE Photonics Technology Letters
Volume22
Issue number4
DOIs
Publication statusPublished - 2010 Feb 15

Keywords

  • Channel estimation
  • Maximum likelihood sequence detection (MLSD)
  • Volterra kernel

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

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