Now showing items 1-14 of 14

    • Ampliació i millora de la infraestructura de la xarxa de comunicacions de dades de Lloret de Mar 

      Boix i Marinel·lo, Alexandre (Universitat Politècnica de Catalunya, 2011-06-15)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      El projecte que es desenvolupa a continuació, té com a objectiu l’ampliació i millora de la xarxa de comunicacions de dades de Lloret de Mar. Aquesta ampliació es basarà en la instal·lació d’un segment de fibra ...
    • Analysis of the performances and tolerances of the 2nd generation passive optical networks (NGPON2) for FTTH systems 

      Velásquez Micolta, Juan Camilo (Universitat Politècnica de Catalunya, 2014-10-06)
      Master thesis
      Open Access
      [ENGLISH] In a Fiber to the Home (FTTH) system, the fiber is connected until the household users. A passive optical network (PON) is a particular type of FTTH networks that uses P2MP (point-to-multipoint fiber premises) ...
    • Design of a fiber optic-based city network 

      Alsina Gómez, Ivan (Universitat Politècnica de Catalunya, 2018-01)
      Bachelor thesis
      Open Access
      This project consists in the design of a FTTH network, with WDM-PON technology, for the city of Cervera. The city council of the municipality orders to a private company the realization of the project and it is directly ...
    • Evaluation of optical OFDM signals crosstalk tolerance 

      Escolano Beltrán, Adrià (Universitat Politècnica de Catalunya, 2016-01)
      Bachelor thesis
      Open Access
      OFDM technology has been highly investigated in the radio communication field but it is a quite new technology in the field of fiber-optic communication. Its tolerance against linear intrachannel crosstalk remains an open ...
    • Experimental characterization of CMOS photonic devices 

      Gómez Gonzalvo, Alberto (Universitat Politècnica de Catalunya, 2016-10)
      Master thesis
      Open Access
      Covenantee:   Massachusetts Institute of Technology
      Current electrical interconnects in super-computers and high-performance processors present a bottleneck in terms of bandwidth and power consumption. A migration to the optical domain in order to cope with the connectivity ...
    • Experimental validation of active frontend - backend stateful PCE operations in flexgrid optical network re-optimization 

      Martínez, Ricardo; Gifre Renom, Lluís; Casellas Regi, Ramón; Velasco Esteban, Luis Domingo; Muñoz González, Raul; Vilalta, Ricard (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      A PCE-based strategy for LSP re-optimization in flexgrid optical networks is experimentally validated. A front- and back-end stateful PCE architecture is deployed, wherein automatic and coordinated operations (e.g., ...
    • Extension of self-seeding to 10/2.5Gb/s T(W)DM PONs through remotely pumped ODN extenders 

      Prat Gomà, Josep Joan; Schrenk, Bernhard; Bonada, F.; De Valicourt, Guilhem; Lázaro Villa, José Antonio; Brenot, Romain (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      Self-seeded upstream transmission is applied to power-splitting PONs through remote amplification at extender boxes. Tree splits up to 1:16 are found to be compatible for full-duplex 10/2.5Gb/s PONs with fully passive ...
    • IR light source based on LED for endoscopy applications 

      Ruiz López, Mabel (Universitat Politècnica de Catalunya, 2009-09-09)
      Master thesis
      Open Access
      A specific endoscopy technology uses an InfraRed (IR) light to achieve specific imaging of the vascular system. This IR light is obtained by an IR laser source. The aim of this study is to find a new IR illumination built ...
    • La fibra óptica, hoy 

      Solé Pareta, Josep (1985-11)
      Article
      Open Access
      Aplicaciones, ventajas y tipologías de la fibra óptica como una tecnología avanzada en la transmisión de datos.
    • Métodos avanzados para la medida de la dispersión cromática a frecuencias ópticas 

      Sarabia Díaz, Eugenia Teresa (Universitat Politècnica de Catalunya, 2011-09-28)
      Master thesis (pre-Bologna period)
      Open Access
      English: Advanced Methods for the Measurement of Chromatic Dispersion at Optical Frequencies. To use the methods, we must first study the phenomenon of dispersion, and how we see the effect it has on the phase and envelope ...
    • Optoelectronic devices for next generation optical fiber communications 

      Rueda Rodríguez, Luis Antonio (Universitat Politècnica de Catalunya, 2016-07-14)
      Bachelor thesis
      Open Access
      To meet the high demand on data traffic, it is essential the optimization of optical communication systems, specially, in terms of spectral efficiency as well as transmission rate In this thesis, the study carried out two ...
    • Orchestrating virtual machine migrations in telecom clouds 

      Barrera Sanson, Joaquim; Ruiz Ramírez, Marc; Velasco Esteban, Luis Domingo (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      A 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 ...
    • Structural health monitoring with distributed optical fiber sensors of tunnel lining affected by nearby construction activity 

      Gómez i Esteve, Judit; Casas Rius, Joan Ramon; Villalba Herrero, Sergi (2020-09)
      Article
      Restricted access - publisher's policy
      This paper addresses the implementation of a Distributed Optical Fiber Sensor system (DOFS) to the TMB L-9 metro tunnel in Barcelona for Structural Health Monitoring (SHM) purposes as the former could potentially be affected ...
    • Technologies for a cost effective UDWDM-PON 

      Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      A new ultra-dense WDM-PON with coherent techniques and low cost devices is developed for an efficient utilization of the optical spectrum, showing that the