Exploració per tema "Xarxes de telecomunicacions òptiques"
Ara es mostren els items 26-45 de 48
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Maximización del valor actual neto en redes ópticas
(Universitat Politècnica de Catalunya, 2010-06)
Projecte Final de Màster Oficial
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 ... -
Mesures del senyal sísmic amb diferents amplificadors de l'acondicionament d'un OBS
(Universitat Politècnica de Catalunya, 2007-06-28)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: Sarti, Centro Tecnológico de Vilanova i la Geltrú -
Modeling physical-layer impairments in multi-domain optical networks
(IEEE Computer Society Publications, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialThe advantages of optical transparency are still confined to the boundaries of a domain, since the optical signals are subject to O/E/O conversions at the border nodes that separate two optical domains. The extension ... -
Multi-service MAC-enabled OBS networks
(2010-03)
Comunicació de congrés
Accés restringit per política de l'editorialIn this paper, a novel multi-service architectural solution based on a MAC protocol for mesh OBS networks is designed and the network performance among TDM services and connectionless burst transmissions is evaluated through ... -
Next Generation Optical Access Networks: from TDM to WDM
(INTECH, 2010-03)
Capítol de llibre
Accés obert -
OBGP+: A Simple Approach to Drastically Improve OBGP
(IEEE Computer Society Publications, 2008)
Text en actes de congrés
Accés obertDuring the last few years, the research community has shown an increasing interest in the subject of inter-domain routing in optical networks, so new approaches like the optical extension of BGP, namely OBGP, have arisen. ... -
Optimization of Rayleigh-limited WDM-PONs with reflective ONU by MUX positioning and optimal ONU gain
(2010-01)
Article
Accés obertIn this work, the influence of the distribution element position and the reflective optical network unit (ONU) gain in wavelength-division-multiplexing passive optical networks are reported. After the theoretical and ... -
Performance issues in Optical Burst/Packet Switching
(Springer, 2009-04-01)
Capítol de llibre
Accés restringit per política de l'editorialThis chapter summarises the activities on optical packet switching (OPS) and optical burst switching (OBS) carried out by the COST 291 partners in the last 4 years. It consists of an introduction, five sections with ... -
Performance of translucent optical networks under dynamic traffic and uncertain physical-layer information
(IEEE Computer Society Publications, 2009)
Text en actes de congrés
Accés obertThis paper investigates the performance of translucent Optical Transport Networks (OTNs) under different traffic and knowledge conditions, varying from perfect knowledge to drifts and uncertainties in the physical-layer ... -
Performance overview of the offset time emulated OBS network architecture
(2009-07)
Article
Accés obertOptical burst switching (OBS) control architecture considers two different models for the management of the offset time in the network. The conventional OBS (C-OBS) introduces the offset time in soft-way by delaying the ... -
QoS-Enabled distributed access on optical burst-switched networks
(IEEE Press. Institute of Electrical and Electronics Engineers, 2010-01)
Comunicació de congrés
Accés obertOptical Burst Switching (OBS) has been proposed as an efficient technology to cope with the ever increasing bursty traffic on the Internet. The emergence of a broad range of network-driven applications (e.g. multimedia, ... -
Real burst traffic amplification in optically gain clamped amplifier
(2008-02-24)
Comunicació de congrés
Accés obertOptical burst amplification in a gain-stabilized amplifier is theoretically investigated using real burst traffic data. The results show that excellent performance are obtained for WDM transmission with negligible interplay ... -
Regenerator allocation in translucent networks under inaccurate physical information
(2009-12-14)
Text en actes de congrés
Accés obertOptimized regenerator allocation techniques select which of the already installed regenerators in a translucent network must be used in order to maximize the quality of the optical signal while minimizing the opaqueness ... -
Regenerator allocation in WDM networks with uncertainities in the Q factor
(2010-06-14)
Text en actes de congrés
Accés obertThe performance of the regenerator allocation algorithms in WDM networks strongly depends on the accuracy of the physical-layer information such as the Q factor. In a translucent WDM network the already installed ... -
Sinergias en el diseño de infraestructuras de telecomunicaciones para centros de procesos de datos
(Universitat Politècnica de Catalunya, 2016)
Projecte/Treball Final de Carrera
Accés obertLos Centros de Procesamiento de Datos (CPD) constituyen una parte fundamental en el ámbito de las infraestructuras de telecomunicaciones, dado que concentran los recursos necesarios para el proceso de la información de ... -
Sintonia tèrmica de làsers per a xarxes òptiques udWDM
(Universitat Politècnica de Catalunya, 2014-07-29)
Projecte/Treball Final de Carrera
Accés restringit per acord de confidencialitat -
Spectrum defragmentation in elastic optical networks
(Universitat Politècnica de Catalunya, 2016-06)
Treball Final de Grau
Accés obertIn the present project we have studied the concept and several techniques for spectrum defragmentation in elastic optical networks. The simulation tool used was the software named MATLAB, in which all the algorithms here ... -
Study of signal integrity in Flex-Grid optical networks
(Universitat Politècnica de Catalunya, 2016-06)
Treball Final de Grau
Accés obertThis project has studied the behaviour of optical signals in a FlexGrid network. More specifically, we have focused on finding the minimum distance that must exist between two signals such that we achieve a given BER, and ... -
Técnicas de etiquetado de señales ópticas en redes de conmutación de ráfagas
(Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2003)
Article
Accés obertEn este artículo presentamos una revision de los asuntos mas importantes relacionados con las redes de conmutacion de ráfagas de señales ópticas etiquetadas (LOBS - Labeled optical burst switched) y las tecnologias que ... -
The Minimum Coincidence Routing Approach in Wavelength-Routed Optical WDM Networks
(IEEE Computer Society Publications, 2009)
Text en actes de congrés
Accés obertManagement is a critical issue in optical networks. Highly impacting in management, routing in optical networks, is often decoupled into both the path selection and the wavelength assignment problems. In the former, ...