Unifying Sleep and Doze Modes for Energy-Efficient PON Systems

  title={Unifying Sleep and Doze Modes for Energy-Efficient PON Systems},
  author={Denis A. Khotimsky and Dezhi Zhang and Liquan Yuan and Raisa O. C. Hirafuji and Divanilson Campelo},
  journal={IEEE Communications Letters},
The existing ITU-T PON specifications define two distinct ONU power management modes: Cyclic Sleep and Doze. This paper proposes a parametric extension allowing the Unified power management mode, in which an ONU periodically turns off both its receiver and transmitter, as in the Cyclic Sleep mode, and performs infrequent bidirectional handshakes, as in the Doze mode. The timely reaction to an external stimulus is ensured by periodic unidirectional handshakes when only the ONU receiver is turned… CONTINUE READING
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