Browsing by Subject "Fibres òptiques -- Sistemes de comunicació"

Now showing items 1-20 of 29

    • A Techno-Economic study of network coding protection schemes 

      Ramirez Almonte, Wilson; Masip Bruin, Xavier; Marín Tordera, Eva; Yannuzzi, Marcelo; Martínez Manzanilla, Anny Gabriela; Sánchez López, Sergio; Siddiqui, Shuaib; López Álvarez, Victor (2014)
      Conference report
      Restricted access - publisher's policy
      The recent advances in optical technologies pave the way to the deployment of high-bandwidth services. As reliability becomes a mandatory requirement for some of these services, network providers must endow their networks ...

    • Access services availability and traffic forecast in PON deployment 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Prat Gomà, Josep Joan (IEEE, 2011)
      Conference report
      Restricted access - publisher's policy
      In this paper, offered and new broadband services for residential customers are considered in Passive Optical Networks (PONs). The user bit rates together with QoS requirements are evaluated for the availability of ...

    • Adaptation of the application QUALIFO to communicate with the Photon Kinetics 8000 OTDR 

      Hidalgo Castro, Alberto; Manuel Lázaro, Antonio (2010-12-01)
      Article
      Open Access
      In this paper we present the adaptation of QUALIFO, a software designed to assure and control the quality of optic fiber cables, to a new OTDR model, concretely the Photon Kinetics 8000. While the communication with the ...

    • 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) ...

    • Análisis y Evaluación Comparada de redes de acceso GPON y EP2P 

      García Torres, Jose (Universitat Politècnica de Catalunya, 2009-02-14)
      Master thesis (pre-Bologna period)
      Open Access
      El trabajo pretende realizar una comparación entre GPON y EP2P, que son tecnologías de acceso a la red mediante fibra óptica, para responder a la pregunta de: ¿ Qué tecnología es la más adecuada para soporlar los servicios ...

    • Assessment on the deployment of FTTH networks 

      Duran Rosich, Eduard (Universitat Politècnica de Catalunya, 2012-01-16)
      Master thesis
      Open Access
      While the technology to deploy FTTH networks has been known for some time, its deployment in Europe has been rather slow. Uncertainty about future regulation, low demand, a regulatory model base on the ladder of investment ...

    • Broadband services virtual operator for bitstream open-access networks: business case and infrastructure 

      Oskarsson, Asgeir Thor (Universitat Politècnica de Catalunya, 2011-05-09)
      Master thesis
      Open Access
      The aim of this thesis is to study the technical and business model for the creation of a virtual operator for bitstream access networks in Catalonia, in the modality of carrier’s carrier. The substrate for this project ...

    • Desarrollo de una red FTTH 

      Lara Martínez, Miguel Ángel (Universitat Politècnica de Catalunya, 2016-01)
      Bachelor thesis
      Restricted access - author's decision
      En la actualidad, el sistema puntero en comunicaciones de larga distancia y con mayor volumen para la transmisión de datos es la fibra óptica. Es un medio físico capaz de ser preciso, barato y a su vez, garantizar una ...

    • Diseño de red FTTH para una población 

      Ramirez Garcia, Ibai (Universitat Politècnica de Catalunya, 2020-02-14)
      Bachelor thesis
      Restricted access - author's decision
      The project presented below aims to show the design process of the FTTH network. In this case we will see the design of a cluster located in Esparraguera, Barcelona. During these years of technological growth, users have ...

    • Estudio tecno-económico de soluciones para el acceso multioperador del bucle de abonado en las redes de acceso de nueva generación (NGA) 

      Carmona Torondel, David (Universitat Politècnica de Catalunya, 2012-02-01)
      Master thesis (pre-Bologna period)
      Open Access
      English: local loop unbundling tecniques in FTTH network architectures.

    • Experimental evaluation of path restoration for a centralised impairment-aware GMPLS-controlled all-optical network 

      Tomkos, Ioannis; Agraz Bujan, Fernando; Perelló Muntan, Jordi; Angelou, Marianna; Azodolmolky, Siamak; Velasco Esteban, Luis Domingo; Spadaro, Salvatore; Kokkinos, Panagiotis; Varvarigos, Emmanouel (IEEE Computer Society Publications, 2010)
      Conference report
      Open Access
      This paper evaluates a centralised impairment-aware path restoration approach for GMPLScontrolled transparent optical networks. Experimental results on a 14-node network test-bed show successful QoT compliant path restoration ...

    • Framework de desenvolupament OSS/FTTH 

      Comes Gómez, Xavier (Universitat Politècnica de Catalunya, 2013-02-18)
      Bachelor thesis
      Restricted access - author's decision
      Stick&Fiber és una solució empresarial d’un sistema de suport d’operacions, destinada als gestors d’infraestructures de telecomunicacions per a gestionar, mantenir i operar les seves xarxes neutres de fibra òptica fins a ...

    • FTTH Service and Management networks design 

      Arrieta Fernández, Beinat (Universitat Politècnica de Catalunya, 2015-04)
      Bachelor thesis
      Open Access
      The present Project shows the services and management networks design for a real telecomunications operator that will opérate in Vallès Oriental. It includes a high level design, a low level design and a business plan.

    • GPON scheduling disciplines under multi-service bursty traffic and long-reach approach 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Prat Gomà, Josep Joan (2010)
      Conference report
      Restricted access - publisher's policy
      Gigabit-capable PON (GPON) is the optical access standard being deployed by many incumbent operators, but the Dynamic Bandwidth Allocation (DBA) algorithm for multi-service Quality of Service (QoS) is not specified; hence, ...

    • Half-duplex transmission avoiding rayleigh backscattering crosstalk in UDWDM-PON with coherent receivers 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Polo Querol, Víctor; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Open Access
      Ultra Dense Wavelength Division Multiplexing (UDWDM) is a promising technique for access PON, introducing the wavelength-to-the-user concept. The key enabling technology will be a new cost-effective coherent detection ...

    • Investigation on Nyquist Modulation for Fiber-Optic Communications 

      Casal Rodríguez, Jonathan (Universitat Politècnica de Catalunya, 2015-07)
      Bachelor thesis
      Restricted access - author's decision
      In a society where the need for communication is increasing every day, an improvement in spectral efficiency and faster data transmission methods are needed. This thesis analyses a new modulation, the Nyquist modulation, ...

    • Modelat protocol MAC de xarxes GPON multioperador 

      Muñoz Machio, Angel (Universitat Politècnica de Catalunya, 2011-01-25)
      Master thesis (pre-Bologna period)
      Open Access
      Memoria del projecte Modelat protocol MAC de xarxes GPON multioperador. Aquest projecte ha consistit en: L'estudi de la xarxa GPON El funcionamient del programa de simulació OPNET Implementació de la xarxa en OPNET

    • Next generation passive optical networks based on orthogonal frequency division multiplexing techniques 

      Escayola Elias, Francisco Javier (Universitat Politècnica de Catalunya, 2015-12-11)
      Doctoral thesis
      Open Access
      In recent decades, the industry of communications has acquired huge significance, and nowadays constitutes an essential tool for the society information. Thus, the exponential growth in demand of broadband services and ...

    • Next-generation optical access networks based on Orthogonal Frequency Division Multiplexing 

      De las Heras Mandome, Marçal (Universitat Politècnica de Catalunya, 2011-09-30)
      Master thesis
      Open Access
      Orthogonal Frequency Division Multiplexing (OFDM) is a robust modulation and multiplexing format which is at the base of many present communication standards. The interest of the OFDM application in optical fiber deployments ...

    • Optical fiber used as sea water thermometer 

      Garcia Benadí, Albert; Corredera, Pedro; Campo Maldonado, Maria Dolores del; Río Fernandez, Joaquín del; García Izquierdo, Carmen; Hernández de la Villa, Sonia; Nogueras Cervera, Marc; Pulido, Concepción (2015)
      Conference report
      Open Access