Exploració per autor "Sales Zaragozá, Vicente"Més informacióMés informació

Ara es mostren els items 7-26 de 36

    • Dimensioning OLT architectures for UDWDM-PONs employing coherent transceivers 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Polo Querol, Víctor; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Ultra-Dense Wavelength Division Multiplexing (UDWDM) is a new method for access PON, introducing the wavelength-to-the-user concept. The main technology will be a cost-effective coherent detection scheme providing low-cost ...

    • Evaluating the energy efficiency of DWA algorithms in UDWDM-PONs 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Polo Querol, Víctor; Prat Gomà, Josep Joan (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Ultra-Dense Wavelength Division Multiplexing (UDWDM) has been proposed for the optical access Passive Optical Network (PON) in the COst-effective COhereNt Ultra-dense-WDM-PON for lambda-To-the-user access (COCONUT) ...

    • Examen final 

      Sales Zaragozá, Vicente; Montoro López, Gabriel (Universitat Politècnica de Catalunya, 2018-06-05)
      Examen
      Accés restringit a la comunitat UPC

    • Examen final 

      Sales Zaragozá, Vicente; Gilabert Pinal, Pere Lluís (Universitat Politècnica de Catalunya, 2019-01-10)
      Examen
      Accés restringit a la comunitat UPC

    • Examen MQ 

      Gilabert Pinal, Pere Lluís; Sales Zaragozá, Vicente (Universitat Politècnica de Catalunya, 2018-04-11)
      Examen
      Accés restringit a la comunitat UPC

    • Examen MQ 

      Sales Zaragozá, Vicente; Gilabert Pinal, Pere Lluís (Universitat Politècnica de Catalunya, 2018-10-29)
      Examen
      Accés restringit a la comunitat UPC

    • Flexible coherent UDWDM-PON adapting dynamically to different bandwidths 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Prat Gomà, Josep Joan; Kazovsky, Leonid (2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Ultra-Dense Wavelength Division Multiplexing (UDWDM) is a candidate for future Passive Optical Networks (PONs) to sustain the increase of access traffic, providing enhanced capacity with point-to-point logical connections ...

    • Flexible coherent UDWDM-PON with dynamic user allocation based on limited-tunability lasers 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Polo Querol, Víctor; Tabares Giraldo, Jeison; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2020-09-01)
      Article
      Accés obert
      Coherent wavelength division multiplexing (WDM) technologies have leveraged the optical communication systems in core networks, increasing the fiber capacity by transmission with advanced modulation formats and mitigation ...

    • Flexible mobile fronthaul with coherent UDWDM-PON 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Prat Gomà, Josep Joan (2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Ultra Dense Wavelength Division Multiplexing (UDWDM) has been proposed for future Passive Optical Networks (PONs) to support the increase of access traffic, furnishing an improved capacity while introducing point-to-point ...

    • GPON redundancy eraser algorithm for long-reach extension 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Long-Reach (LR) extension is a promising scheme for future next generation access networks, enabling less Central Offices (COs) in the field and a large number of customers in the access/metro area. Because of the large ...

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

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Prat Gomà, Josep Joan (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      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, ...

    • Grade of service in UDWDM-PON with statistical wavelength subscribing 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The Grade of Service (GoS) or ONU rejection probability in coherent UDWDM-PONs with ONU lasers under limited tunability is evaluated. Each active ONU is assigned an exclusive wavelength channel, which is managed by heuristic ...

    • 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)
      Text en actes de congrés
      Accés obert
      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 ...

    • PDS: Examen FQ: Primavera 2019 

      Sales Zaragozá, Vicente; Gilabert Pinal, Pere Lluís (Universitat Politècnica de Catalunya, 2019-06-12)
      Examen
      Accés restringit a la comunitat UPC

    • PDS: Examen MQ: Primavera 2019 

      Sales Zaragozá, Vicente; Gilabert Pinal, Pere Lluís (Universitat Politècnica de Catalunya, 2019-03-25)
      Examen
      Accés restringit a la comunitat UPC

    • Performance monitor for all-optical networks based on homodyne spectroscopy 

      Amrani, A.; Junyent Giralt, Gabriel; Prat Gomà, Josep Joan; Comellas Colomé, Jaume; Ramdani, I.; Sales Zaragozá, Vicente; Rafel, A. (2000-11)
      Article
      Accés obert
      The ability to transparently detect performance degradations in all-optical networks is highly desirable. We present an optical signal monitor, based on a frequency supervision system, which can participate in some tasks ...

    • Planning and designing FTTH networks: elements, tools and practical issues 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Prat Gomà, Josep Joan (IEEE, 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Fiber-To-The Home (FTTH) provides the offered and new broadband services. Now it is deployed massively worldwide with Passive Optical Networks (PONs), being the EPON and GPON standards the most used. In this paper we ...

    • Practical design of a coherent ultra-dense WDM-PON with paired DFB lasers 

      Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Polo Querol, Víctor; Prat Gomà, Josep Joan (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A coherent WDM-PON achieving ultra-dense spectral allocation is reported. The ONU at user premises is built of coherent transceivers with two paired low-cost DFB lasers, one as local oscillator and the other as transmitter, ...

    • Redes de acceso UDWDM operadas con láseres aleatorios de sintonía limitada 

      Sales Zaragozá, Vicente (Universitat Politècnica de Catalunya, 2017-10-25)
      Tesi
      Accés obert
      A new passive optical network (PON) for access, making use of ultra-dense wavelength division multiplexing (UDWDM) by densely spacing channels by a few gigahertz and introducing the "wavelength-to-the-user" concept, is ...

    • SARDANA: an all-optical access-metro WDM/TDM-PON 

      Spirou, S.; Tomkos, Ioannis; Prat Gomà, Josep Joan; Segarra Mullerat, Josep; Sales Zaragozá, Vicente; Lázaro Villa, José Antonio; Chanclou, Philippe; Soila, Risto; Teixeira, A.; Tosi Beleffi, Giorgio M. (2011)
      Text en actes de congrés
      Accés obert
      A new optical access network, named “Scalable Advanced Ring-based passive Dense Access Network Architecture” (SARDANA), is presented. It transparently integrates WDM metro and TDM PON access technologies, implementing ...