Physical layer impairment aware routing (PLIAR) in WDM optical networks: Issues and challenges

CV Saradhi, S Subramaniam - IEEE Communications Surveys …, 2009 - ieeexplore.ieee.org
In WDM optical networks, the physical layer impairments (PLIs) and their significance
depend on network type-opaque, translucent, or transparent; the reach-access, metro, or …

OSNR model to consider physical layer impairments in transparent optical networks

HA Pereira, DAR Chaves, CJA Bastos-Filho… - Photonic Network …, 2009 - Springer
We propose a model that considers several physical impairments in all-optical networks
based on optical signal-to-noise degradation. Our model considers the gain saturation effect …

Fast and adaptive impairment aware routing and wavelength assignment algorithm optimized by offline simulations

DAR Chaves, DO Aguiar, CJA Bastos-Filho… - Optical Switching and …, 2010 - Elsevier
In all-optical networks, signals are transmitted through optical physical layer with no
regeneration. Therefore, noise accumulation along lightpath can severely impair optical …

Intelligent and fast IRWA algorithm based on power series and particle swarm optimization

JF Martins-Filho, DAR Chaves… - 2008 10th …, 2008 - ieeexplore.ieee.org
In all-optical networks signals are transmitted through physical layer with no regeneration.
Therefore, physical impairments along lightpath can severely reduce network performance …

Noise penalties modeling for the performance evaluation of all-optical networks

HA Pereira, DAR Chaves… - 2007 9th …, 2007 - ieeexplore.ieee.org
We propose a model to consider several physical impairments in optical networks based on
the OSNR. Our model considers the dependence of gain and amplified spontaneous …

Novel physical impairments aware adaptive weight function for routing in all optical networks

DAR Chaves, DO Aguiar, HA Pereira… - 2007 SBMO/IEEE …, 2007 - ieeexplore.ieee.org
We propose a novel and fast physical impairment aware adaptative cost function. The main
advantage of this approach is that it uses simple network parameters such as link availability …

Impact of device characteristics on network performance from a physical-impairment-based routing algorithm

JF Martins-Filho, CJA Bastos-Filho… - Optical Fiber …, 2004 - opg.optica.org
We demonstrate the impact of optical switch, amplifier and MUX/DEMUX characteristics on
optical network performance evaluated from our physical-impairment-based RWA algorithm …

Enabling ASON routing via novel signal quality metrics

JC Li, K Hinton, SD Dods… - OFC/NFOEC 2007-2007 …, 2007 - ieeexplore.ieee.org
Enabling ASON Routing via Novel Signal Quality Metrics Page 1 Enabling ASON Routing via
Novel Signal Quality Metrics Jonathan C. Li+, Kerry Hinton*, Sarah D. Dods+ and Peter M …

[PDF][PDF] Novel adaptive routing algorithm for all-optical networks based on power series and particle swarm optimization

DAR Chaves, DO Aguiar… - … Brasileiro de Redes …, 2008 - researchgate.net
In all-optical networks, signals are transmitted through physical layer with no regeneration.
Therefore, noise accumulation along lightpath can severely impair optical signal-to-noise …

[PDF][PDF] Physical impairments modeling for the performance evaluation of transparent optical networks

HA Pereira, DAR Chaves, CJA Bastos-Filho… - Anais do XXV …, 2007 - academia.edu
We propose a model to consider several physical impairments in optical networks based on
the OSNR. Our model considers the effects of gain saturation and amplified spontaneous …