Energy saving in TWDM (A) PONs: Challenges and opportunities

L Valcarenghi, Y Yoshida, A Maruta… - 2013 15th …, 2013 - ieeexplore.ieee.org
… In this paper an overview of current approaches for reducing energy consumption in TWDM(A)
PONs was presented together with some challenges for maximizing energy savings. In …

Trading energy savings and network performance in reconfigurable TWDM-PONs

K Kondepu, L Valcarenghi, DP Van… - Journal of Optical …, 2015 - opg.optica.org
… This paper evaluated how the energy savings are traded with average frame delay in
reconfigurable TWDM-PON as a function of network parameters and wavelength allocation …

Energy efficient TWDM multi-PON system with wavelength relocation

H Yang, W Sun, J Li, W Hu - Journal of Optical Communications and …, 2014 - opg.optica.org
… of PONs share backhaul DWDM links and central office resources, we investigate a TWDM
… wavelengths and transceivers are partially deployed and shared between multiple PONs. …

Energy efficient DBA algorithms for TWDM-PONs

A Dixit, B Lannoo, D Colle, M Pickavet… - 2015 17th …, 2015 - ieeexplore.ieee.org
… about 80% of the energy consumed in the Internet. In this paper, we focus on the energy
efficient DBA algorithm for TWDM-PONs. A typical configuration of TWDM-PON has been shown …

Delay fairness in reconfigurable and energy efficient TWDM PON

L Valcarenghi, K Kondepu, P Castoldi - Computer Networks, 2016 - Elsevier
… However, energy efficiency improvement is traded with a delay increase due to the finite
ONU … balances the delay experienced by ONUs without impacting the OLT energy savings. …

Characterization of energy-efficient and colorless ONUs for future TWDM-PONs

E Wong, M Mueller, MC Amann - Optics express, 2013 - opg.optica.org
… future TWDM-PONs. Specifically, we investigate the tunability and transmission performance
… We also evaluate the energy efficiency of the SC-VCSEL in active, doze, and sleep mode. …

Energy saving via dynamic wavelength sharing in TWDM-PON

R Wang, HH Lee, SS Lee… - IEEE Journal on Selected …, 2014 - ieeexplore.ieee.org
… ) of TWDM-PON for energy saving purposes. In legacy TDM-PONs, power conservation
Energy conservation takes on a different nature at the OLT end. For one reason, OLT is the …

Offline energy-efficient dynamic wavelength and bandwidth allocation algorithm for TWDM-PONs

MPI Dias, E Wong, DP Van… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
energy-savings at the OLT. Following this concept, various solutions have been proposed for
energy-efficient TWDM-PONs… the idle ones, thereby saving significant energy at the OLT. In …

Cost-effective introduction and energy-efficient operation of long-reach WDM/TDM PON systems

H Feng, CJ Chae, AV Tran… - Journal of Lightwave …, 2011 - ieeexplore.ieee.org
… to demultiplex the downstream signals to different TDM PONs, and two in-line amplifiers to
… Talli, and PD Townsend, “Hybrid DWDM-TDM long reach PON for next generation optical …

Energy-saving mechanism in WDM/TDM-PON based on upstream network traffic

P Garfias, M De Andrade, M Tornatore, A Buttaboni… - Photonics, 2014 - mdpi.com
energy minimization in WDM/TDM-PONs and we propose an … been proposed to increase
energy efficiency in PONs. Such … approaches introduce new energy-efficient optical device …