Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks

Space Division Multiplexing (SDM) is a key technology to cope with the bandwidth limitations of single mode fibers. Multi-Core Fibers (MCFs) are considered as a promising candidate technology to implement SDM, due to their low inter-core crosstalk (ICXT), experimentally proven in laboratory prototyp...

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Autores: Rumipamba Zambrano, Rubén Darío, Perelló Muntan, Jordi|||0000-0001-6563-2664, Gené Bernaus, Joan M.|||0000-0002-1082-9408, Spadaro, Salvatore|||0000-0002-4100-1726
Tipo de recurso: artículo
Fecha de publicación:2017
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/110168
Acceso en línea:https://hdl.handle.net/2117/110168
https://dx.doi.org/10.1016/j.osn.2017.10.001
Access Level:acceso abierto
Palabra clave:Multiplexing
Optical communications
Bandwidth
Blocking probability
Cost effectiveness
Cost reduction
Costs
Single mode fibers
Transceivers
Multiplexatge
Comunicacions òptiques
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica
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repository_id_str
spelling Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networksRumipamba Zambrano, Rubén DaríoPerelló Muntan, Jordi|||0000-0001-6563-2664Gené Bernaus, Joan M.|||0000-0002-1082-9408Spadaro, Salvatore|||0000-0002-4100-1726MultiplexingOptical communicationsBandwidthBlocking probabilityCost effectivenessCost reductionCostsSingle mode fibersTransceiversMultiplexatgeComunicacions òptiquesÀrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òpticaSpace Division Multiplexing (SDM) is a key technology to cope with the bandwidth limitations of single mode fibers. Multi-Core Fibers (MCFs) are considered as a promising candidate technology to implement SDM, due to their low inter-core crosstalk (ICXT), experimentally proven in laboratory prototypes. Among the different channel allocation options making use of the newly enabled space dimension, the so-called spatial super-channel (Spa-SCh) is the most likely solution to be implemented, given the inherent cost reduction of the joint-switching operation (i.e., jointly switching a spectrum portion in all MCF cores at once). This work targets the cost-effective Spa-SCh allocation over MCF-enabled Flex-Grid optical core networks. To this goal, state-of-the-art 22-core MCFs are assumed, although the proposed solutions are applicable to any MCF type. In particular, we propose and evaluate a partial-core assignment as a cost-effective strategy to improve spectrum utilization and save Capital Expenditure (CapEx) costs by minimizing the number of optical transceivers used per Spa-SCh. Numerical results reveal that reductions up to 44% and 33% in the number of active transceivers in the network can be obtained in national- and continental-wide backbone networks, respectively, without affecting the network Grade-of-Service (GoS), measured in terms of Bandwidth Blocking Probability (BBP). To evaluate the impact of the ICXT, we also compare the performance of the MCF scenarios under study against equivalent Multi-Fiber (MF) ones. From the obtained results, ICXT in MCF scenarios requires the utilization of less efficient modulation formats, which reduces the admissible offered network load by up to 17% for a 1% BBP target. Furthermore, this lower spectral efficiency also demands an increase of the symbol rate per sub-channel up to a 26%, a key indicator of the modulator electronic complexity.Peer Reviewed20182018-01-0120172017-11-09journal articlehttp://purl.org/coar/resource_type/c_6501AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/110168https://dx.doi.org/10.1016/j.osn.2017.10.001reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution-NonCommercial-NoDerivs 3.0 Spainhttp://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/1101682026-05-27T15:37:01Z
dc.title.none.fl_str_mv Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks
title Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks
spellingShingle Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks
Rumipamba Zambrano, Rubén Darío
Multiplexing
Optical communications
Bandwidth
Blocking probability
Cost effectiveness
Cost reduction
Costs
Single mode fibers
Transceivers
Multiplexatge
Comunicacions òptiques
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica
title_short Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks
title_full Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks
title_fullStr Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks
title_full_unstemmed Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks
title_sort Cost-effective spatial super-channel allocation in Flex-Grid/MCF optical core networks
dc.creator.none.fl_str_mv Rumipamba Zambrano, Rubén Darío
Perelló Muntan, Jordi|||0000-0001-6563-2664
Gené Bernaus, Joan M.|||0000-0002-1082-9408
Spadaro, Salvatore|||0000-0002-4100-1726
author Rumipamba Zambrano, Rubén Darío
author_facet Rumipamba Zambrano, Rubén Darío
Perelló Muntan, Jordi|||0000-0001-6563-2664
Gené Bernaus, Joan M.|||0000-0002-1082-9408
Spadaro, Salvatore|||0000-0002-4100-1726
author_role author
author2 Perelló Muntan, Jordi|||0000-0001-6563-2664
Gené Bernaus, Joan M.|||0000-0002-1082-9408
Spadaro, Salvatore|||0000-0002-4100-1726
author2_role author
author
author
dc.subject.none.fl_str_mv Multiplexing
Optical communications
Bandwidth
Blocking probability
Cost effectiveness
Cost reduction
Costs
Single mode fibers
Transceivers
Multiplexatge
Comunicacions òptiques
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica
topic Multiplexing
Optical communications
Bandwidth
Blocking probability
Cost effectiveness
Cost reduction
Costs
Single mode fibers
Transceivers
Multiplexatge
Comunicacions òptiques
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica
description Space Division Multiplexing (SDM) is a key technology to cope with the bandwidth limitations of single mode fibers. Multi-Core Fibers (MCFs) are considered as a promising candidate technology to implement SDM, due to their low inter-core crosstalk (ICXT), experimentally proven in laboratory prototypes. Among the different channel allocation options making use of the newly enabled space dimension, the so-called spatial super-channel (Spa-SCh) is the most likely solution to be implemented, given the inherent cost reduction of the joint-switching operation (i.e., jointly switching a spectrum portion in all MCF cores at once). This work targets the cost-effective Spa-SCh allocation over MCF-enabled Flex-Grid optical core networks. To this goal, state-of-the-art 22-core MCFs are assumed, although the proposed solutions are applicable to any MCF type. In particular, we propose and evaluate a partial-core assignment as a cost-effective strategy to improve spectrum utilization and save Capital Expenditure (CapEx) costs by minimizing the number of optical transceivers used per Spa-SCh. Numerical results reveal that reductions up to 44% and 33% in the number of active transceivers in the network can be obtained in national- and continental-wide backbone networks, respectively, without affecting the network Grade-of-Service (GoS), measured in terms of Bandwidth Blocking Probability (BBP). To evaluate the impact of the ICXT, we also compare the performance of the MCF scenarios under study against equivalent Multi-Fiber (MF) ones. From the obtained results, ICXT in MCF scenarios requires the utilization of less efficient modulation formats, which reduces the admissible offered network load by up to 17% for a 1% BBP target. Furthermore, this lower spectral efficiency also demands an increase of the symbol rate per sub-channel up to a 26%, a key indicator of the modulator electronic complexity.
publishDate 2017
dc.date.none.fl_str_mv 2017
2017-11-09
2018
2018-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
AM
http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/110168
https://dx.doi.org/10.1016/j.osn.2017.10.001
url https://hdl.handle.net/2117/110168
https://dx.doi.org/10.1016/j.osn.2017.10.001
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300719

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