Joint statistics and MLSD in filtered incoherent high-speed fiber-optic communications

Nikola Alic, Magnus Karlsson, M. Skold, Olgica Milenkovic, P. A. Andrekson, Stojan Radic

Research output: Contribution to journalArticle

Abstract

In this paper, signal statistics and their utilization for detection in narrowly filtered equalized high-speed fiber-optic communications are investigated experimentally. Tradeoffs between log-likelihood metric applications and oversampling are covered in detail. It is, for the first time, demonstrated that performance loss in bandwidth-limited systems can be nearly fully recovered (to within 0.5 dB) by taking advantage of bandwidth-limitation- induced noise correlations and oversampling.

Original languageEnglish (US)
Article number5418986
Pages (from-to)1564-1572
Number of pages9
JournalJournal of Lightwave Technology
Volume28
Issue number10
DOIs
StatePublished - Jun 4 2010

Keywords

  • Colored noise
  • Fiber-optic communications
  • Maximum-likelihood sequence detection
  • Viterbi algorithm

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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