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

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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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