Exploració per autor "Ruiz Ramírez, Marc"
Ara es mostren els items 99-118 de 182
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Learning from the optical spectrum: failure detection and identification [Invited]
(Institute of Electrical and Electronics Engineers (IEEE), 2018-07-23)
Article
Accés obertThe availability of coarse-resolution cost-effective Optical Spectrum Analyzers (OSA) allows its widespread deployment in operators’ networks. In this paper, we explore several machine learning approaches for soft-failure ... -
Learning life cycle to speed up autonomic optical transmission and networking adoption
(Institute of Electrical and Electronics Engineers (IEEE), 2019-04-05)
Article
Accés obertAutonomic optical transmission and networking requires machine learning (ML) models to be trained with large datasets. However, the availability of enough real data to produce accurate ML models is rarely ensured since new ... -
Lightweight optical constellation modeling by concatenating artificial neural networks
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés obertA lightweight optical constellations modeling method based on concatenating ANNs is proposed. Statistical validation of the reproduced constellations is shown. The method accelerates data generation and facilitates detecting ... -
LPsec: a fast and secure cryptographic system for optical connections
(Institute of Electrical and Electronics Engineers (IEEE), 2022-04)
Article
Accés obertHigh capacity and low latency of optical connections are ideal for supporting current and future communication services, including 5G and beyond. Although some of those services are already secured at the packet layer using ... -
Man-in-the-middle attacks through re-shaping I-Q optical constellations
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertA module to re-shape optical constellations making the optical signal resembles as it has traversed some distance is presented. Armed with this module, Main-in-the-Middle attacks can be performed, which could be undetectable ... -
Maximización del valor actual neto en redes ópticas
(Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors (AC), 2010-06-01)
Llibre
Accés obertEn este trabajo se utilizan técnicas de investigación operativa y estadística para desarrollar una herramienta útil en la toma de decisiones en empresas de telecomunicaciones. Se comparan dos esquemas de particionamiento ... -
Meeting the requirements to deploy cloud RAN over optical networks
(Optical Society of America, 2017-03-01)
Article
Accés obertRadio access network (RAN) cost savings are expected in future cloud RAN (C-RAN). In contrast to traditional distributed RAN architectures, in C-RAN, remote radio heads (RRHs) from different sites can share baseband ... -
Minimizing energy costs in federated datacenters under uncertain green energy availability
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe cost of energy represents, by far, the largest fraction of total operational expenditures that datacenter operators ought to face. For this very reason, several studies have focused on evaluating how such energy costs ... -
ML-aided SOP compensation to increase key exchange rate in QKD systems
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertSecure communications have become a requirement for virtually all kind of applications. Currently, two distant parties can generate shared random secret keys by using public key cryptography. However, quantum computing ... -
Modeling and assessing connectivity services performance in a sandbox domain
(Institute of Electrical and Electronics Engineers (IEEE), 2020-06-15)
Article
Accés obertThe automation of Network Services (NS) consisting of virtual functions connected through a multilayer packet-over-optical network requires predictable Quality of Service (QoS) performance, measured in terms of throughput ... -
Modeling the routing and spectrum allocation problem for flexgrid optical networks
(2012-12)
Article
Accés restringit per política de l'editorialFlexgrid optical networks are attracting huge interest due to their higher spectrum efficiency and flexibility in comparison with traditional wavelength switched optical networks based on the wavelength division multiplexing ... -
Modulation format-aware restoration and re-optimization in Flexgrid optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorial -
Monitoring and data analytics for optical networking
(2019)
Text en actes 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 ... -
Monitoring and data analytics-triggered reconfiguration in partially disaggregated optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2020)
Text en actes de congrés
Accés obertWe present ADONIS, which stands for Aggregator/Disaggregator for Optical Network equIpmentS, a novel open device agent able to construct logical network devices from (dis)aggregation of physical components in order to ... -
Monitoring and data analytics: Analyzing the optical spectrum for soft-failure detection and identification
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Comunicació de congrés
Accés restringit per política de l'editorialFailure detection is essential in optical networks as a result of the huge amount of traffic that optical connections support. Additionally, the cause of failure needs to be identified so failed resources can be excluded ... -
Multi-agent-based dynamic optical subcarrier allocation for near real-time P2MP operation
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
Text en actes de congrés
Accés obertWe propose a multi-agent system (MAS) to manage subcarrier allocation in point-to-multipoint connectivity based on Digital Subcarrier Multiplexing. Similar performance to a centralized approach is shown, which allows for ... -
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 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 ...
