Trading energy savings and network performance in reconfigurable TWDM-PONs

K Kondepu, L Valcarenghi, DP Van… - Journal of Optical …, 2015 - opg.optica.org
In time and wavelength division multiplexed (TWDM) passive optical networks (PONs),
energy savings at the optical line termination (OLT) are achievable by dynamically allocating …

Traffic-adaptive inter wavelength load balancing for TWDM PON

KA Memon, Q Zhang, RA Butt… - IEEE Photonics …, 2019 - ieeexplore.ieee.org
This study presents a dynamic inter wavelength migration scheme for the optical network
units (ONUs) employing linear regression machine learning method to equalize the traffic …

Delay fairness in reconfigurable and energy efficient TWDM PON

L Valcarenghi, K Kondepu, P Castoldi - Computer Networks, 2016 - Elsevier
Abstract In Time and Wavelength Division Multiplexed (TWDM) Passive Optical Networks
(PONs), dynamically (de) activating Optical Subscriber Units (OSUs) and assigning Optical …

Exploiting SDN for integrating green TWDM-PONS and metro networks preserving end-to-end delay

K Kondepu, A Sgambelluri, L Valcarenghi… - Journal of Optical …, 2017 - opg.optica.org
In time and wavelength division multiplexed (TWDM) passive optical networks (PONs),
energy efficiency can be traded with increased average frame delay. However, because …

512-ONU real-time dynamic load balancing with few wavelength reallocations in 40 Gbps λ-tunable WDM/TDM-PON

Y Senoo, T Yoshida, S Kaneko… - Journal of Optical …, 2015 - ieeexplore.ieee.org
The wavelength (λ)-tunable wavelength-division multiplexing/time-division multiplexing
passive optical network (WDM/TDM-PON) can distribute traffic loads fairly by dynamically …

Demonstration of 512-ONU real-time dynamic-load-balancing with few wavelength reallocations for λ-tunable WDM/TDM-PON

Y Senoo, S Kaneko, T Yoshida, J Sugawa… - Optical Fiber …, 2015 - opg.optica.org
Demonstration of 512-ONU real-time dynamic-load-balancing with few wavelength reallocations
for λ-tunable WDM/TDM-PON Page 1 Tu3E.1.pdf OFC 2015 © OSA 2015 Demonstration of …

Adaptive bandwidth allocation algorithm for WDM/OFDM-PON-based Elastic Lambda Aggregation Network

H Saito, N Minato, S Kobayashi… - 2016 Optical Fiber …, 2016 - ieeexplore.ieee.org
Adaptive bandwidth allocation algorithm for WDM/OFDM-PON-based Elastic Lambda
Aggregation Network Page 1 Th3C.2.pdf OFC 2016 © OSA 2016 Adaptive Bandwidth Allocation …

Where do we stand and where are we heading in making NG-PONs more energy efficient?

L Valcarenghi - … Conference on Optical Network Design and …, 2015 - ieeexplore.ieee.org
This paper provides a reality check about where we stand with Next Generation Passive
Optical Networks (NG-PON) energy efficiency. It highlights possible issues in implementing …

Simultaneous multi-ONU wavelength switching method for coexistence of different λ-tuning times in WDM/TDM-PON

J Sugawa, K Wakayama, H Toyoda - Optical Fiber Communication …, 2015 - opg.optica.org
We propose OLT architecture and OLT internal control method utilizing multi wavelength-
switching queues to realize simultaneous multi-ONU wavelength switching in λ-tunable …

Reliable λ-tuning OLT-protection method based on backup-wavelength pre-assignment and discovery process for resilient WDM/TDM-PONs

S Kaneko, T Yoshida, S Kimura… - Journal of Lightwave …, 2015 - opg.optica.org
This paper proposes a novel wavelength-tuning (λ-tuning) optical line terminal (OLT)
protection method for wavelength division multiplexing/time division multiplexing-passive …