Exploració per tema "Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica"
Ara es mostren els items 1-20 de 848
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1.25-3.125 Gb/s per user PON with RSOA as phase modulator for statistical wavelength ONU
(2015-12-15)
Article
Accés obertWe report a new scheme to support, cost efficiently, ultra-dense wavelength division multiplexing (UDWDM) for optical access networks. As validating experiment, we apply phase modulation of a reflective semiconductor optical ... -
15-dB differential link-loss UDWDM-PON with direct beat phase modulated DFBs
(2017-11-21)
Article
Accés obertIEEE A 15 dB differential link-loss ultra-dense wavelength division multiplexing passive optical network (UDWDM-PON) with two optical network units (ONU) spectrally spaced 6.25 GHz is experimentally implemented and tested. ... -
1Gb/s service planning on standard PON technologies
(2017-06)
Audiovisual
Accés obertTutorial impartit dins del marc del 2nd International Workshop on Elastic Networks Design and Optimisation (ELASTICNETS 2017). -
1Gbps full-duplex links for ultra-dense-WDM 6.25GHz frequency slots in optical metro-access networks
(2016-01-11)
Article
Accés obert1Gbps full-duplex optical links for 6.25GHz ultra dense WDM frequency slots are demonstrated and optimized for cost-effective metro-access networks. The OLT-ONU downlinks are based on 1Gbps Nyquist-DPSK using MZM and ... -
25Gbps quasicoherent receiver for beyond NG-PON2 access networks
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialA 25Gbps quasicoherent receiver with simple DSP has been experimentally validated for 25G access networks. It exhibits a sensitivity of -24. 7dBm after 20km SSMF and duobinary decoding and provides a power budget of 25. 7dB. -
5G Infrastructures supporting end-user and operational services: the 5G-XHaul architectural perspective
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés obertWe propose an optical-wireless 5G infrastructure offering converged fronthauling/backhauling functions to support both operational and end-user cloud services. A layered architectural structure required to efficiently ... -
6.25Gb/s differential duobinary transmission in 2GHz BW limited direct phase modulated DFB for udWDM-PONs
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialA differential duobinary codification is proposed for directly phase modulating a 2GHz BW equalized DFB laser. The method was tested with homodyne coherent detection achieving 6.25Gb/s bitrate transmission with -38.5dBm ... -
7.5 Gb/s direct DFB phase modulation with 8-DPSK for 6.25 GHz spaced coherent UDWDM-PONs
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialWe demonstrate an 8-DPSK directly phase-modulated DFB with intradyne detection in a 50 km, 6.25 GHz channel spaced UDWDM-PON. A bit rate of 7.5 Gb/s is achieved with Rx sensitivity of -31 dBm at BER=10-3. -
A case of acquisition, transmission and use of information to control a manufacturing process
(Universitat Politècnica de Catalunya, 2009-10-08)
Projecte Final de Màster Oficial
Accés obert -
A comparative study of impairments aware optical networks planning tools
(2010)
Text en actes de congrés
Accés obertTransparent and translucent optical networks are widely considered as the prime candidates for the core network technology of the future. These networks provide ultra high speed end-to-end connectivity with high quality ... -
A Comparison of Nonlinear Media for All-Optical Signal Processing
(Universitat Politècnica de Catalunya / Technical University of Denmark. Fotonik Department / Politecnico di Torino. Dipartimento di elettronica, 2013-07-31)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: Politecnico di Torino[ANGLÈS] This thesis is focused on benchmarking different nonlinear media that are currently used for all-optical signal processing. The materials survey has been based on both low linear losses and highly nonlinear ... -
A control and management architecture supporting autonomic NFV services
(2019-02)
Article
Accés obertThe proposed control, orchestration and management (COM) architecture is presented from a high-level point of view; it enables the dynamic provisioning of services such as network data connectivity or generic network slicing ... -
A distributed telemetry architecture for optical networks
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
Text en actes de congrés
Accés obertA distributed telemetry system is proposed with agents receiving and analyzing data before sending to a centralized manager. Intelligent data aggregation on optical constellations telemetry largely reduces data rate without ... -
A fast imaging Mueller matrix polarimeter for biomedical applications
(Universitat Politècnica de Catalunya, 2022-09-07)
Projecte Final de Màster Oficial
Accés obert
Realitzat a/amb: Universitat Autònoma de Barcelona / Institut de Ciències Fotòniques (ICFO) / Karlsruher Institut für TechnologieA Mueller Matrix Polarimeter is a device that measures the Mueller matrix of a sample, giving quantitative information on the change in the state of polarization light upon interaction with the sample. It measures the ... -
A feedback-based hybrid OBS/OCS architecture with fast-over-slow capability
(2011)
Comunicació de congrés
Accés obertDynamic bandwidth allocation in response to the bandwidth requirements of new emerging applications is an essential demand for future optical networks. Hybrid switching architectures combining the benefits of different ... -
A fully SDN enabled all-optical architecture for data centre virtualisation with time and space multiplexing
(Institute of Electrical and Electronics Engineers (IEEE), 2018-07-01)
Article
Accés obertVirtual Data Centre (VDC) solutions provide an environment that is able to quickly scale-up and where virtual machines and network resources can be quickly added on-demand through self-service procedures. VDC providers ... -
A GMPLS/OBS network architecture enabling QoS-aware end-to-end burst transport
(2010-07-01)
Report de recerca
Accés obertThis paper introduces a Generalized Multi-Protocol Label Switching (GMPLS)-enabled Optical Burst Switched (OBS) network architecture featuring end-to-end QoS-aware burst transport services. This is achieved by setting up ... -
A GRASP with path-relinking heuristic for the survivable IP/MPLS-over-WSON multi-layer network optimization problem
(2013-12)
Article
Accés restringit per política de l'editorialIn this paper we deal with the survivable internet protocol (IP)/multi-protocol label switching (MPLS)-over-wavelength switched optical network (WSON) multi-layer network optimization problem (SIMNO). This problem entails ... -
A GRASP-based heuristic to design the GMPLS control plane network topology with resilience guarantees
(IEEE Press. Institute of Electrical and Electronics Engineers, 2008)
Text en actes de congrés
Accés restringit per política de l'editorialThe control plane topology has traditionally followed that of the data plane and therefore the design of the former, as well as its resilience, has been addressed in the latter's one. Owing to the fact that a clear separation ... -
A hybrid packet/circuit optical transport architecture for DCN
(2019)
Text en actes de congrés
Accés obertThe aim of this paper is to move away from today's multi-tier, manually operated, and performance limited Data Centre Network (DCN) towards more scalable, flexible, and optimized architecture of tomorrow. We propose a new ...