Radial basis function network equalizer for optical communication OOK system

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19 Scopus citations

Abstract

In this paper, we introduce a nonlinear equalizer using the radial basis function (RBF) network for electronic dispersion compensation in optical communication systems with on-off keying and a direct-detection receiver. The RBF method introduces a nonlinear equalization technique that is suitable for optical communication direct-detection systems that include nonlinear transformation at the photodetector. A bit error rate performance comparison shows that the RBF equalizer outperforms the conventional linear feedforward equalizer. In addition, it is shown that, in optically amplified systems, the RBF equalizer improvement is increased even further. Finally, the feasibility of the RBF method is validated by experimental results.

Original languageEnglish
Pages (from-to)2631-2637
Number of pages7
JournalJournal of Lightwave Technology
Volume25
Issue number9
DOIs
StatePublished - 1 Sep 2007

Keywords

  • Electrical dispersion compensation
  • Optical fiber communication system
  • Radial basis function (RBF)

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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