Exploració per autor "Junyent Giralt, Gabriel"
Ara es mostren els items 21-40 de 115
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Desarrollo sistemas opticos coherentes a 2.5 gb/s
Junyent Giralt, Gabriel (1991)
Text en actes de congrés
Accés obertThe paper is concerning to a R&D proj ect to develop Optical Coherent Systems working at 2. 5 Gbitjs data speed and l. 55 um operating wavelength. Three are the main phases in the project plan: the Lab Model system, built ... -
Design and implementation of a GMPLS-controlled grooming-capable optical transport network
Agraz Bujan, Fernando; Velasco Esteban, Luis Domingo; Perelló Muntan, Jordi; Ruiz Ramírez, Marc; Spadaro, Salvatore; Junyent Giralt, Gabriel; Comellas Colomé, Jaume (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-07)
Article
Accés obertAiming at better resource utilization, an important requirement of future optical transport networks is the capability to accommodate subwavelength client flows efficiently. This can be put into action thanks to the ... -
Designing national IP/MPLS networks with flexgrid optical technology
Velasco Esteban, Luis Domingo; Wright, Paul; Lord, Andrew; Junyent Giralt, Gabriel (2012)
Text en actes de congrés
Accés obertWe propose a two-step procedure to design flexgrid-based national networks. Locations are first partitioned into a set of metro areas interconnected through a flexgrid optical network. Next, each network is designed ... -
Desplegament de recursos en línea per a l’avaluació i l’autoaprenentage dels alumnes, i foment de l’especialització i competències transversals en el màster MERIT
Pradell i Cara, Lluís; Cardama Aznar, Ángel; Canal Bienzobas, Fernando; Jofre Roca, Lluís; Junyent Giralt, Gabriel; Herranz Luis, Jaime; Mallorquí Franquet, Jordi Joan; Nadeu Camprubí, Climent; Pagès Zamora, Alba Maria; Pradell i Cara, Lluís; Rius Casals, Juan Manuel; Rodríguez Fonollosa, Javier; Romeu Robert, Jordi; Coderch Collell, Marcel; Kerans, Mary Ellen; Law, Carolyn; García Hernández, Antonio; Gutiérrez Martos, David; Hernández Bonet, Antoni; Ferrer Bosch, Anna; Pérez Trufero, Javier; Torre Lara, Jordi de la; Torres Matabosch, Núria (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2010-02-11)
Comunicació de congrés / Text en actes de congrés
Accés obertEl projecte es desenvolupa en el marc de la titulació oficial de màster MERIT del Departament de Teoria del Senyal i Comunicacions. El màster, orientat a la recerca i integrat dins del programa Erasmus Mundus, presenta ... -
Determinación de la probabilidad de error en sistemas de comunicación digital por fibras ópticas: estudio comparativo de métodos “cuasi-exactos”
Casadevall Palacio, Fernando José; Junyent Giralt, Gabriel; Olmos Bonafé, Juan José; Agustí Comes, Ramon (1983)
Text en actes de congrés
Accés obertEn este trabajo se presenta un estudio comparativo de diversos métodos para calcular la probabilidad de error en un sistema de comunicación digital por fibra óptica. Los procedimientos utilizados permiten determinar el ... -
Digitally processed modulation formats and integrated photonics for flexible optical metro-access networks
Lázaro Villa, José Antonio; Schrenk, Bernhard; Malligaraj, M.; Cano Valadéz, Iván Nicolás; Parra, M.; Sridharan, Madanagurusamy; Junyent Giralt, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Text en actes de congrés
Accés restringit per política de l'editorialDigitally processed modulations formats such as Nyquist-WDM are investigated for implementation of future flexible optical networks, by using integrated photonic devices and moderate speed optoelectronics. We compare ... -
Diseño e implementacion central conmutacion optica
Junyent Giralt, Gabriel (1991)
Text en actes de congrés
Accés obertIn this work we present an optical switching plan. It has been developed using Multimode Fiberoptic Switches, which use moving fiber technology. This plan can switch audio and video signals between four users. -
Diseño óptimo del preamplificador de recepción para un sistema de transmisión de datos a alta velocidad por fibra óptica
Casadevall Palacio, Fernando José; Junyent Giralt, Gabriel; Agustí Comes, Ramon (1983)
Text en actes de congrés
Accés obertEn esta comunicación se realiza el análisis y el diseño óptimo desde el punto de vista de ruido del amplificador de recepción de un sistema de transmisión de datos a alta velocidad por fibra óptica. Su estructura es la de ... -
Diseño y realizacion receptor optico mi-dd 2.5 gb/s
Cerdà, P.; Roldán Andrade, Jesús; Junyent Giralt, Gabriel (1991)
Text en actes de congrés
Accés obertA 2.5 Gbit/s MI-DD optical receiver is designed. In order to optimize it, we considerate the noise and the intersimbol interference; hence, a realizable filtre has been studied and developed. A noise parametrization of the ... -
Dynamic customer virtual network reconfiguration with QoS constraints and bandwidth guarantees
Asensio Carmona, Adrian; Ruiz Ramírez, Marc; Contreras Lizarraga, Adrián Arturo; Velasco Esteban, Luis Domingo; Junyent Giralt, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialAn algorithm for Customer Virtual Network (CVN) reconfiguration with QoS constraints and bandwidth guarantees is presented. An MPLS virtual network supporting CVNs is pre-planned or dynamically reconfigured. Exhaustive ... -
Dynamic restoration in multi-layer IP/MPLS-over-flexgrid networks
Castro Casales, Alberto; Velasco Esteban, Luis Domingo; Comellas Colomé, Jaume; Junyent Giralt, Gabriel (2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe recent advances in photonic technology will allow deploying flexgrid-based optical core networks in the near future. Although that technology favors more efficient spectrum utilization, multilayer IP/MPLS-over-flexgrid ... -
Ecualización en banda base para sistemas de transmisión digital por fibra óptica a alta velocidad: estudio comparativo de diferentes criterios de diseño
Casadevall Palacio, Fernando José; Junyent Giralt, Gabriel (Unión Científica Internacional de Radio (URSI), 1983)
Text en actes de congrés
Accés obertFor data rates above 100Mb/s, multimode systems are generally modal dispersion rather than loss limited and some form of equalization is highly desired. We have investigated the performance of varius equalizers. Linear ... -
Efficient spectrum assignment in elastic optical networks
Comellas Colomé, Jaume; Calzada Salvia, Xavier; Junyent Giralt, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThe Elastic Optical Network (EON) architecture has been proposed in response to the large capacity and diverse traffic granularity needs of the future Internet. By breaking the fixed-grid spectrum allocation of WDM networks, ... -
Egalisation no-lineaire en fibre optique a 140 et 560 Mbit/s
Junyent Giralt, Gabriel; Agustí Comes, Ramon; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 1982)
Text en actes de congrés
Accés obertDans cet article, on introduit un égaliseur non-linéaire du type récursif avec décision dans la boucle pour compenser les effets de l'interférence entre symboles qui est présente dans un système de transmission numérique ... -
Electronic and photonic switching in the atm era
Masip, J; Solé Pareta, Josep; Junyent Giralt, Gabriel (1998-09)
Article
Accés obertBroadband networks require high-capacity switches in order to properly manage large amounts of traffic fluxes. Electronic and photonic technologies are being used to achieve this objective both allowing different multiplexing ... -
Enhanced domain disjoint backward recursive TE path computation for PCE-based multi-domain networks
Hernández Sola, Guillem; Perelló Muntan, Jordi; Agraz Bujan, Fernando; Velasco Esteban, Luis Domingo; Spadaro, Salvatore; Junyent Giralt, Gabriel (2011-04)
Article
Accés restringit per política de l'editorialThe ability of computing optimal routes poses new challenges when extending it to larger multi-domain network scenarios, as the quality of these computed endto-end inter-domain routes depends on the selection of the domain ... -
Evaluación de las prestaciones de un receptor óptico coherente incluyendo ruido AM y FM
Ruiz Boqué, Sílvia; Junyent Giralt, Gabriel (Universidad Politécnica de Madrid (UPM), 1988)
Text en actes de congrés
Accés obertIn this paper an evaluation of the performance of a coherent optical receiver for binary PSK has been carried out by means of the signal to noise ratio and BER calculation. Both the AM and FM noise due to transmitter and ... -
Examen Final
Gené Bernaus, Joan M.; Junyent Giralt, Gabriel (Universitat Politècnica de Catalunya, 2015-01-14)
Examen
Accés restringit a la comunitat UPC -
Examen Final
Junyent Giralt, Gabriel; Gené Bernaus, Joan M. (Universitat Politècnica de Catalunya, 2014-01-09)
Examen
Accés restringit a la comunitat UPC -
Examen Final
Gené Bernaus, Joan M.; Junyent Giralt, Gabriel (Universitat Politècnica de Catalunya, 2015-06-19)
Examen
Accés restringit a la comunitat UPC