Study and demonstration of sleep and adaptive link rate control mechanisms for energy efficient 10G-EPON

Ryogo Kubo, Jun Ichi Kani, Hirotaka Ujikawa, Takeshi Sakamoto, Yukihiro Fujimoto, Naoto Yoshimoto, Hisaya Hadama

Research output: Contribution to journalArticle

121 Citations (Scopus)

Abstract

This paper describes sleep and adaptive link rate (ALR) control functions to reduce the power consumption of optical network units (ONUs) in 10Gbs Ethernet passive optical network (10G-EPON) systems. A hybrid mechanism that includes both sleep and ALR control functions is proposed with a view to further improving the power-saving performance. The sleep control function switches the ONU mode, i.e., active or sleep, depending on the presence or absence of traffic. The ALR control function switches the downlink rates between an optical line terminal (OLT) and an ONU, i.e., 1Gbs or 10Gbs, depending on the quantity of traffic. The proposed hybrid mechanism offers effective power management of ONUs on the basis of the traffic conditions. The proposed hybrid mechanism is validated by a numerical simulation and an experiment.

Original languageEnglish
Article number5559269
Pages (from-to)716-729
Number of pages14
JournalJournal of Optical Communications and Networking
Volume2
Issue number9
DOIs
Publication statusPublished - 2010 Sep
Externally publishedYes

Fingerprint

Passive optical networks
Ethernet
Fiber optic networks
Demonstrations
Switches
Electric power utilization
Sleep
Computer simulation
Experiments

Keywords

  • Adaptive link rate (ALR) control
  • Communication systems
  • Optical communication
  • Optical network (PON)
  • Passive
  • Power saving
  • Sleep control

ASJC Scopus subject areas

  • Computer Networks and Communications

Cite this

Study and demonstration of sleep and adaptive link rate control mechanisms for energy efficient 10G-EPON. / Kubo, Ryogo; Kani, Jun Ichi; Ujikawa, Hirotaka; Sakamoto, Takeshi; Fujimoto, Yukihiro; Yoshimoto, Naoto; Hadama, Hisaya.

In: Journal of Optical Communications and Networking, Vol. 2, No. 9, 5559269, 09.2010, p. 716-729.

Research output: Contribution to journalArticle

Kubo, Ryogo ; Kani, Jun Ichi ; Ujikawa, Hirotaka ; Sakamoto, Takeshi ; Fujimoto, Yukihiro ; Yoshimoto, Naoto ; Hadama, Hisaya. / Study and demonstration of sleep and adaptive link rate control mechanisms for energy efficient 10G-EPON. In: Journal of Optical Communications and Networking. 2010 ; Vol. 2, No. 9. pp. 716-729.
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