Modeling of nonlinear signal distortion in fiber-optic networks
P Johannisson, E Agrell - Journal of Lightwave Technology, 2014 - opg.optica.org
A low-complexity model for signal quality prediction in a nonlinear fiber-optic network is
developed. The model, which builds on the Gaussian noise model, takes into account the …
developed. The model, which builds on the Gaussian noise model, takes into account the …
Next-generation variable-line-rate optical WDM networks: issues and challenges
With the ever-increasing traffic demands, the infrastructure of current 10 Gbit/s optical
network needs to be enhanced. The legacy infrastructure can be enhanced not only by …
network needs to be enhanced. The legacy infrastructure can be enhanced not only by …
Study on mitigation of transmission impairments and issues and challenges with PLIA-RWA in optical WDM networks
In all-optical WDM networks, feasibility of a lightpath are determined by physical layer
impairment accumulation. Physical layer impairment-aware routing and wavelength …
impairment accumulation. Physical layer impairment-aware routing and wavelength …
Demonstration of flexible optical network based on path computation element
Flexible optical networks, based on bandwidth-variable optical cross-connects (BV-OXCs)
and novel flexible transponders, are expected to significantly improve the overall spectrum …
and novel flexible transponders, are expected to significantly improve the overall spectrum …
Open-source network optimization software in the open SDN/NFV transport ecosystem
M Garrich, FJ Moreno-Muro… - Journal of Lightwave …, 2018 - ieeexplore.ieee.org
Transport ecosystems that combine software defined networking (SDN) and network
function virtualization (NFV) are characterized by an unprecedented network control and …
function virtualization (NFV) are characterized by an unprecedented network control and …
Optimized hybrid Raman/EDFA amplifier placement for DWDM mesh networks
The minimization of the number of expensive 3R regenerators required at intermediate
nodes is a key task when planning long-haul optical transport networks. Combining Raman …
nodes is a key task when planning long-haul optical transport networks. Combining Raman …
Algorithmic aspects in planning fixed and flexible optical networks with emphasis on linear optimization and heuristic techniques
EA Varvarigos… - Journal of lightwave …, 2013 - ieeexplore.ieee.org
From an algorithmic perspective, planning and operating optical networks falls in the broad
category of network optimization problems. We give a short introduction on algorithmic …
category of network optimization problems. We give a short introduction on algorithmic …
Trading regeneration and spectrum utilization in code-rate adaptive flexi-grid networks
Introduced to improve the spectral efficiency, time-frequency packing technique allows the
exploitation of different code rates, leading to different levels of spectral utilization and all …
exploitation of different code rates, leading to different levels of spectral utilization and all …
On the effect of regenerator placement on spectrum usage in translucent elastic optical networks
M Klinkowski - 2012 14th International Conference on …, 2012 - ieeexplore.ieee.org
Translucent optical networks are considered as a promising solution for reducing the
electronic processing overhead of opaque optical networks thanks to a cost-effective use of …
electronic processing overhead of opaque optical networks thanks to a cost-effective use of …
Cross-layer approaches for planning and operating impairment-aware optical networks
J Solé-Pareta, S Subramaniam… - Proceedings of the …, 2012 - ieeexplore.ieee.org
Advances in optical transmission technology are driving the evolution from legacy opaque
toward transparent backbone networks. Aiming at reducing the costs and energy …
toward transparent backbone networks. Aiming at reducing the costs and energy …