Browsing by Author "Sarmiento Hernández, Samael"Més informació

Now showing items 1-16 of 16

    • 5G connected vehicles supported by optical fiber access 

      Lázaro Villa, José Antonio; Coves Garrido, Massiel; Sarmiento Hernández, Samael; Altabas, Jose Antonio; Lerin, Adolfo (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      Future autonomous vehicle will require a high level of computation, communication, sensing and fast response actuation. Communication among vehicles, and vehicles to infrastructure, accessing to remote systems and services ...

    • Cost-effective DWDM ROADM design for flexible sustainable optical metro–access networks 

      Sarmiento Hernández, Samael; Altabas, Jose Antonio; Izquierdo, David; Garces, Ignacio; Spadaro, Salvatore; Lázaro Villa, José Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2017-12)
      Article
      Open Access
      Architectural changes are required for the underlying networks to support the expected Internet data traffic volume growth caused by the popularization of cloud services, 5G-based services, and social networks, to provide ...

    • Cost-effective ROADM architecture for C/DWDM metro-access networks convergence 

      Sarmiento Hernández, Samael; Spadaro, Salvatore; Lázaro Villa, José Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Conference lecture
      Restricted access - publisher's policy
      The Internet data traffic constant growth caused by the popularization of cloud services, mobile and social networks is requiring changes at the underlying networks in order to enable scalability whereas supporting a highly ...

    • Cost-effective ROADM design to maximize the traffic load capacity of u-DWDM coherent metro-access networks 

      Spadaro, Salvatore; Sarmiento Hernández, Samael; Lázaro Villa, José Antonio (2018-11-01)
      Article
      Open Access
      The current constant growing in traffic demands caused by the popularization of cloud services, mobile and social networks is requiring architectural changes at the underlying networks so as to provide a more highly dynamic ...

    • Design and optimization of metro-access networks supporting 5G services 

      Sarmiento Hernández, Samael (Universitat Politècnica de Catalunya, 2020-03-26)
      Doctoral thesis
      Open Access
      The Internet data traffic constant growth caused by the popularization of cloud services, mobile and social networks, demand changes to the networks in order to enable scalable growth in traffic volume, while supporting a ...

    • Design of flexible udWDM metro-access network devices assisted by high resolution complex spectroscopy 

      Altabas, Jose Antonio; Izquierdo, David; Pascual, Álvaro; Sarmiento Hernández, Samael; Lázaro Villa, José Antonio; Garces, Ignacio; Villafranca, A. (2016)
      Conference report
      Restricted access - publisher's policy
      The new cloud services, the Internet of Things (IoT) and the convergence of mobile and optical networks in the 5G scenario are pushing up the traffic demand over the metro-access networks. Flexible ultra-dense Wavelength ...

    • Experimental assessment of 10 Gbps 5G multicarrier waveforms for high-layer split U-DWDM-PON-based fronthaul 

      Sarmiento Hernández, Samael; Altabas, Jose Antonio; Spadaro, Salvatore; Lázaro Villa, José Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2019-05-15)
      Article
      Open Access
      The current constant growth in mobile networks' traffic demands caused by the popularization of cloud and streaming services on personal devices, requires architectural changes so as to fulfill all new 5G mobile network ...

    • Experimental assessment of 5-10Gbps 5G multicarrier waveforms with intensity-modulation direct-detection for PONs 

      Sarmiento Hernández, Samael; Gran, Albert; Altabas, Jose; Scalabroni, Marco; Spadaro, Salvatore; Garces, Ignacio; Lázaro Villa, José Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      The sensitivity performance of an IMDDOFDM/FBMC/UFMC/GFDM system with a PIN based receiver is experimentally evaluated for downstream in broadband passive optical networks. Results show sensitivities better than -14.5(-8.0)dBm ...

    • Experimental investigation of 50-90 Gb/s IM-DD NOMA-CAP modulation for short range optical transmission applications 

      Sarmiento Hernández, Samael; Delgado Mendinueta, José Manuel; Altabas, Jose Antonio; Spadaro, Salvatore; Shinada, Satoshi; Furukawa, Hideaki; Vegas Olmos, Juan José; Lázaro Villa, José Antonio; Wada, Naoya (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Conference report
      Restricted access - publisher's policy
      The sensitivity performance of a NOMA-CAP system with a PIN-based receiver is experimentally assessed for short range transmission applications and different aggregated bit rates. Results show sensitivities better than ...

    • Flexible resource provisioning of polarization independent coherent PONs based on non-orthogonal multiple access and multiCAP modulation 

      Izquierdo Nuñez, David; Sarmiento Hernández, Samael; Barrio Segura, Miguel; Clemente Vicente, Jesús; Millán, Pablo; Lázaro Villa, José Antonio; Garces Gregorio, Juan Ignacio; Altabas Navarro, José Antonio; Puerta, Rafael; Rommel, Simon; Vegas Olmos, Juan J.; Tafur Monroy, Idelfonso (Institute of Electrical and Electronics Engineers (IEEE); Optical Society of America, 2021-07)
      Article
      Open Access
      A combined non-orthogonal multiple access (NOMA) and multiband carrierless amplitude and phase modulation (multiCAP) scheme is proposed for flexible resource provisioning in coherent passive optical networks (PONs). While ...

    • High capacity converged passive optical network and RoF-based 5G+ fronthaul using 4-PAM and NOMA-CAP signals 

      Sarmiento Hernández, Samael; Delgado Mendinueta, José Manuel; Altabas Navarro, Jose Antonio; Spadaro, Salvatore; Shinada, Satoshi; Furukawa, Hideaki; Vegas Olmos, Juan José; Lázaro Villa, José Antonio; Wada, Naoya (Institute of Electrical and Electronics Engineers (IEEE), 2021-01-15)
      Article
      Open Access
      Network architectural changes to satisfy all the 5G+ mobile network specifications and requirements are necessary due to the popularization of streaming and cloud applications on omnipresent portable devices. The combination ...

    • Optical power budget enhancement in 50-90 Gb/s IM-DD PONs with NOMA-CAP and SOA-Based amplification 

      Delgado Mendinueta, José Manuel; Altabas, Jose Antonio; Spadaro, Salvatore; Shinada, Satoshi; Furukawa, Hideaki; Vegas Olmos, Juan José; Lázaro Villa, José Antonio; Wada, Naoya; Sarmiento Hernández, Samael (2020-05-15)
      Article
      Open Access
      We report experimental results of a semiconductor optical amplifier (SOA) for optical amplification in a 50-90 Gb/s IM-DD optical access system using non-orthogonal multiple access multiplexing combined with multi-band ...

    • Passive optical networks: introduction 

      Altabas, Jose Antonio; Sarmiento Hernández, Samael; Lázaro Villa, José Antonio (John Wiley & sons, 2018-08-15)
      Part of book or chapter of book
      Open Access
      Passive optical networks (PONs) are telecommunication networks that provide services to users by no active elements. Only passive elements are used in the network to transmit the information and signals between users as ...

    • Random number generation by coherent detection of quantum phase noise 

      Álvarez, Juan Rafael; Sarmiento Hernández, Samael; Lázaro Villa, José Antonio; Gené Bernaus, Joan M.; Pérez Torres, Juan (2020-02-17)
      Article
      Open Access
      In 2010 Qi et al. [Opt. Lett. 35(3), 312 (2010)] demonstrated a random number generator based on the drift of the phase of a laser due to spontaneous emission, The out-of-the-lab implementation of this scheme presents two ...

    • SDN-enabled flexible optical node designs and transceivers for sustainable metroaccess networks convergence 

      Sarmiento Hernández, Samael; Montero Herrera, Rafael; Altabas, Jose Antonio; Izquierdo, David; Agraz Bujan, Fernando; Pagès Cruz, Albert; Perelló Muntan, Jordi; Gené Bernaus, Joan M.; Alonso Varela, Marc; Pascual, Álvaro; Garces, Ignacio; Spadaro, Salvatore; Lázaro Villa, José Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Conference report
      Restricted access - publisher's policy
      The Internet data traffic constant growth caused by the popularization of cloud services, mobile and social networks, is being stressed by the advent of 5G technologies. Hence, architectural changes are required at the ...

    • Split-enabled 350–630 Gb/s optical interconnect with direct detection NOMA-CAP and 7-core multi-core fiber 

      Sarmiento Hernández, Samael; Delgado Mendinueta, José Manuel; Altabas, Jose Antonio; Spadaro, Salvatore; Shinada, Satoshi; Furukawa, Hideaki; Vegas Olmos, Juan José; Lázaro Villa, José Antonio; Wada, Naoya (2020-05-15)
      Article
      Open Access
      The ever-growing data traffic volume inside data centers caused by the popularization of cloud services and edge computing demands scalable and cost-efficient network infrastructures. With this premise, optical interconnects ...