Exploració per autor "Velasco Esteban, Luis Domingo"
Ara es mostren els items 172-191 de 252
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Near real-time estimation of end-to-end performance in converged fixed-mobile networks
(Elsevier, 2020-01-15)
Article
Accés obertThe independent operation of mobile and fixed network segments is one of the main barriers that prevents improving network performance while reducing capital expenditures coming from overprovisioning. In particular, a ... -
Network convergence and QoS for future multimedia services in the VISION project
(2012)
Article
Accés restringit per política de l'editorialThe emerging use of real-time 3D-based multimedia applications imposes strict quality of service (QoS) requirements on both access and core networks. These requirements and their impact to provide end-to-end 3D videoconferencing ... -
Network traffic analysis under emerging beyond-5G scenarios for multi-band optical technology adoption
(Optical Society of American (OSA), 2023)
Article
Accés obertThe recently created ITU-T Focus Group Network 2030 is leading network operators to identify the requirements and use cases that networks are expected to fulfill for the short, medium, and long term within the current ... -
NORMA: Network Operator Revenues Maximization
(IEEE, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialA great part of core network operators’ gross profit comes from the provisioned connectivity services. In this work, we analyze the provisioning of differentiated services in current Shared Path Protection (SPP) environments. ... -
OCATA: A deep-learning-based digital twin for the optical time domain
(Optical Society of American (OSA), 2023-02-01)
Article
Accés obertThe development of digital twins to represent the optical transport network might enable multiple applications for network operation, including automation and fault management. In this work, we propose a deep-learning-based ... -
On real-time optical subcarrier management in P2MP networks with mixed-strategy gaming
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertWe developed a mixed-strategy gaming approach for distributed and real-time optical subscarrier management in point-to-multipoint networks, achieving traffic loss rates close to those by ILP-based centralized optimization. -
On the benefits of differentiating the filter configurations in flexi-grid optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialAn effective strategy exploiting differentiated filter configurations in flexi-grid optical networks is proposed and evaluated. Results show that 15% throughput improvements can be achieved with respect to traditional ... -
On the benefits of multi-path recovery in flexgrid optical networks
(2014-12-01)
Article
Accés restringit per política de l'editorialWe propose a new recovery scheme, called multi-path recovery (MPR), specifically designed for flexgrid-based optical networks. It combines protection and restoration schemes to jointly recover, in part or totally, the ... -
On the performance of flexgrid-based optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe ever increasing IP traffic volume has finally brought to light the high inefficiency of current wavelength-routed rigid-grid networks in matching the client layer requirements. Such an issue results in the deployment ... -
On-demand incremental capacity planning in optical transport networks
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Article
Accés restringit per política de l'editorialIncremental planning is performed periodically to decide how a backbone optical network has to be updated to serve the forecast traffic during the next planning period. Based on reliable traffic prediction, new equipment ... -
Optical network automation [Invited tutorial]
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Comunicació de congrés
Accés obertIncreased levels of automation will be necessary in view of more stringent performance requirements that next generation optical transport networks need to support in a near term, not only for high capacity, but, even more ... -
Optical network net present value optimization in shared path protection environments
(IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialNetwork operators are facing hard competition for opportunities in the telecommunications market, thus network investments must be carefully evaluated from the costs and revenues viewpoint before the decision making ... -
Optical network traffic analysis under B5G/6G RAN operation
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertThe advent of 6G will revolutionize the way Radio Access Networks (RAN) will be operated. Expected massive small cell deployments and features, such as an adaptive functional splitting, are expected to change not only the ... -
Optical signal tracking for robust PAM4 deployment in filterless metro network scenarios
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés obertHighly accurate and reliable optical signal tracking is proposed that estimates sub-GHz laser drift failures by analyzing spectra acquired by cost-effective coarse-granular OSAs. Its application on PAM4 systems in filterless ... -
Optimization models for flexgrid elastic optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialIn the paper we present integer programming (IP) optimization models for flexgrid elastic optical networks (EON). We consider several different basic assumptions regarding flexibility of EON that lead to a variety of IP ... -
Options for cost-effective capacity upgrades in backbone optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialUpgrading the capacity of backbone optical networks while delivering contents to the end-users with a reduced cost per bit is a day-by-day challenge of network operators. In this paper, we first discuss several mid-term ... -
Orchestrating connectivity services to support elastic operations in datacenter federations
(2015-06)
Article
Accés obertDatacenter federations are able to manage appropriately the green energy resources available in each datacenter (DC) thanks to their geographically distributed infrastructure, thus reducing energy expenditure. Scheduling ... -
Orchestrating virtual machine migrations in telecom clouds
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialA throughput model is experimentally assessed and then used to compare nonorchestrated against orchestration when multiple VMs are migrated among datacenters in a telecom cloud. Numerical results show migration time ... -
Out-of-field generic ML training with in-field specific adaptation to facilitate ML deployments
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés obertA two-phase strategy to facilitate ML algorithm deployment in real networks is demonstrated: out-of-field training uses data from simulation and testbed experiments with generic equipment whereas in-field adaptation is ... -
Packet flow capacity autonomous operation based on reinforcement learning
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-12-12)
Article
Accés obertAs the dynamicity of the traffic increases, the need for self-network operation becomes more evident. One of the solutions that might bring cost savings to network operators is the dynamic capacity management of large ...
