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Efficient Regenerator Placement and Wavelength Assignment in Optical Networks
Efficient Regenerator Placement Wavelength Assignment Optical Networks
2011/5/21
We present a novel auxiliary graph approach for optical networks regenerator placement and wavelength assignment (RPWA) problem. Simulation results show that our proposed approach outperforms other tw...
Routing and Wavelength Assignment for Transparent Optical Networks With QoT Estimation Inaccuracies
Networks assignment routing algorithms Optical communications
2010/6/5
We show how inaccuracies of Quality of Transmission (QoT) estimations, caused by imperfect models and lack of monitors in transparent optical networks, can be mitigated using a novel routing and wavel...
Power-Aware Routing and Wavelength Assignment in Optical Networks
Power-Aware Routing Wavelength Assignment Optical Networks
2009/7/17
We introduce the Power-Aware RWA problem, whose goal is to accommodate lightpaths in wavelength routing networks minimizing the power consumption. Formulation, algorithms, and results are presented, s...
Route and Wavelength/Waveband Assignment for Creation of Compact Hierarchical Optical Cross-Connect for Multi-Ring Connection
Route Wavelength/Waveband Assignment Compact Hierarchical Optical Cross-Connect Multi-Ring Connection
2009/7/15
We propose a route and wavelength/waveband assignment method for multi-ring networks linked by hierarchical optical cross-connects. Numerical experiments reveal that the switch scale is significantly ...
Online Upstream Scheduling and Wavelength Assignment Algorithms for WDM-EPON Networks
Online Upstream Scheduling Wavelength Assignment Algorithms WDM-EPON Networks
2009/7/14
We show that efficiency problems arise when online scheduling and wavelength assignment is employed in WDM-EPON networks and propose algorithms for minimizing their effect, leading to improved capacit...
Routing and Wavelength Assignment in PCE-based Wavelength Switched Optical Networks
Routing Wavelength Assignment PCE Switched Optical Networks
2008/8/3
Implementations of three PCE-based WSON architectures are proposed. If the PCE performs wavelength assignment utilizing a path set precomputed at ingress nodes, complexity is effectively traded off wi...