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Evaluating the energy efficiency of DWA algorithms in UDWDM-PONs

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10.1109/ICTON.2016.7550261
 
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Segarra Mullerat, JosepMés informacióMés informacióMés informació
Sales Zaragozá, VicenteMés informacióMés informacióMés informació
Polo Querol, VíctorMés informacióMés informació
Prat Gomà, Josep JoanMés informacióMés informacióMés informació
Document typeConference report
Defense date2016
Rights accessRestricted access - publisher's policy
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
ProjectCOCONUT - COst-effective COhereNt Ultra-dense-WDM-PON for lambda-To-the-user access networks (EC-FP7-318515)
RED OPTICA DE ACCESO CON DISTRIBUCION FLEXIBLE ULTRA-DENSA DE LONGITUD DE ONDA Y ANCHO DE BANDA ELASTICO (MINECO-TEC2015-70835-R)
Abstract
Ultra-Dense Wavelength Division Multiplexing (UDWDM) has been proposed for the optical access Passive Optical Network (PON) in the COst-effective COhereNt Ultra-dense-WDM-PON for lambda-To-the-user access (COCONUT) project, introducing the wavelength-to-the-user concept. A low-cost high sensitivity coherent detection technique furnishes high splitting ratios and long-reach extension. ONU coherent transceivers employ lasers with wavelengths randomly distributed and densely spaced in the optical band, but owning limited tunability. The wavelength channels are allocated using heuristic Dynamic Wavelength Assignment (DWA) algorithms. These schemes are applied not only in activation processes, but also during operation under environmental conditions, adapting the laser tuning to provide the required assigned channel. The laser tuning is achieved by heating or cooling control, and the power consumption varies depending on the wavelength position in a tuning window. We evaluate and compare the power consumption of the developed DWA schemes in the network, as energy efficiency is important to reduce the green-house gas emissions. © 2016 IEEE.
CitationSegarra, J., Sales, V., Polo, V., Prat, J. Evaluating the energy efficiency of DWA algorithms in UDWDM-PONs. A: International Conference on Transparent Optical Networks. "2016 18th International Conference on Transparent Optical Networks ( ICTON): Trento, Italy, July 10- 14, 2016". Trento: 2016. 
URIhttp://hdl.handle.net/2117/98463
DOI10.1109/ICTON.2016.7550261
ISBN978-1-5090-1467-5
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