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Improving Energy Saving in Time-Division Multiplexing Passive Optical Networks

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5 Author(s)
Newaz, S.H.S. ; Korea Adv. Inst. of Sci. & Technol., Daejeon, South Korea ; Cuevas, A. ; Gyu Myoung Lee ; Crespi, N.
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This article proposes a time-division multiplexing passive optical network (TDM-PON) architecture in which optical network units (ONUs) enter active mode only when the optical line terminal has traffic to deliver. The authors use a hybrid ONU (H-ONU) equipped with a low-cost, low-energy IEEE 802.15.4 module. This module notifies H-ONUs when they should move from sleep to active mode to receive downstream traffic. The authors show that the proposed solution leads to a significant energy saving while satisfying PON delay requirements.

Published in:

Internet Computing, IEEE  (Volume:17 ,  Issue: 1 )

Date of Publication:

Jan.-Feb. 2013

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