Cooperative cyclic sleep and doze mode selection for NG-PONs

D. Nauka, V. Fernando, Milos Milosavljevic, Pandelis Kourtessis, J.M. Senior

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Citations (Scopus)


This paper presents an energy efficient medium access control (MAC) protocol exhibiting intelligent switching among optical network unit (ONU) transceiver power levels. This is implemented by introducing a new methodology at the ONU ActiveFree state of next generation passive optical networks (NG-PONs) based on the adaptation of standard local sleep and local doze queue indicators (LSI and LDI) to a more comprehensive grated mode selection policy. In particular the mode selection is not only based on Qlow and Qhigh traffic conditions, representing the absence or presence of traffic. Dense mode selection thresholds are applied instead that grate queue traffic providing fine switching between cyclic sleep and doze. Performance evaluation figures such as transceiver power consumption percentage, delay, and queue size were drawn under different network loads and varying sleep intervals. Computer simulations have shown transceiver power consumption levels of 44%, following the application of only cyclic sleep, a power consumption of 63% with only doze mode and a reduced consumption down to 25% in the presence of the proposed grated mode selection policy
Original languageEnglish
Title of host publicationProcs 16th Int Conf on Transparent Optical Networks (ICTON)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
Number of pages4
Publication statusPublished - 2014
Event16th Int Conf on Transparent Optical Networks (ICTON) - Graz, Austria
Duration: 6 Jul 201410 Jul 2014


Conference16th Int Conf on Transparent Optical Networks (ICTON)


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