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Efficient Regenerator Placement and Wavelength Assignment in Optical Networks
Efficient Regenerator Placement Wavelength Assignment Optical Networks
2015/5/21
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
2015/6/5
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
2015/7/17
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...
Online Upstream Scheduling and Wavelength Assignment Algorithms for WDM-EPON Networks
Online Upstream Scheduling Wavelength Assignment Algorithms WDM-EPON Networks
2015/7/14
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
2015/8/3
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...
AbstractThis paper studies wavelength assignment algorithms on WDM all-optical trees of rings under different models: static, incremental and dynamic. It is shown that 5L/2 is the tight bound of the n...
期刊信息
篇名
Bandwidth guaranteed, delay, and delay variation-bounded integrated routing and wavelength assignment algorithm for multicast in IP/DWDM optical Internet
语种
英文
撰写或编译
作者
Xingwei Wang,Hui Cheng,...
Routing and Wavelength Assignment Based on Variable-Rate Genetic Algorithm
Routing and wavelength assignment (RWA) genetic algorithm wavelength-division
2010/7/16
Appropriate routing and wavelength assignment (RWA) algorithms are the two key factors in improving the blocking performance in wavelength-routed all-optical networks [3].Given a static channel demand...