Journal of Communications and Networks

  • 제18권4호
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  • Pages.551-558
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  • 2016
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  • 1229-2370(pISSN)
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  • 1976-5541(eISSN)
한국통신학회 (The Korean Institute of Commucations and Information Sciences)
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Design of Low Power All-Optical Networks with Dynamic Lightpath Establishment

  • Hirata, Kouji (Department of Electrical and Electronic Engineering, Kansai University) ;
  • Ito, Kohei (Department of Electrical Engineering, Tokyo University of Science) ;
  • Fukuchi, Yutaka (Department of Electrical Engineering, Tokyo University of Science) ;
  • Muraguchi, Masahiro (Department of Electrical Engineering, Tokyo University of Science)
  • 투고 : 2015.12.08
  • 발행 : 2016.08.31
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초록

In multifiber all-optical networks, optical amplifiers are used for amplifying multiple optical signals with different wavelengths in fibers. An optical amplifier operates when any of lightpaths passes through it. Therefore, it should simultaneously amplify as many lightpaths as possible for efficiently utilizing its power. This paper proposes a dynamic lightpath establishment scheme considering the use efficiency of the optical amplifiers and the depletion of the wavelength resources in multifiber all-optical networks. The proposed scheme provides a routing and wavelength assignment strategy that reduces both the power consumption of the optical amplifiers and the blocking probability of the lightpath establishment. Through simulation experiments, we demonstrate the effectiveness of the proposed scheme.

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