Recent Submissions

  • Linear array diagnostic from near-field measurements 

    Romeu Robert, Jordi; Jofre Roca, Lluís; Soneira Ferrando, M. José; Clavera, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 1989)
    Conference report
    Open Access
    The authors present an inversion procedure to obtain the current distribution on a linear array from a near-field measurement. Numerical simulations were performed for a 50-element linear array. Single elements are ...
  • Performance of a FH multilevel FSK for mobile radio in the presence of nonsynchronous users 

    Agustí Comes, Ramon; Junyent Giralt, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 1982)
    Conference report
    Open Access
    This paper considers a Frequency Hopped Multilevel Frequency Shif Keying (FH-MFSK) spread spectrum communication system applied to mobile radio-telephony. We present a mobile-to-base transmission model that allows to study ...
  • Performance evaluation of an all-optical OCS/OPS-based network for intra-data center connectivity services 

    Pagès Cruz, Albert; Jiménez, Sergio; Perelló Muntan, Jordi; Spadaro, Salvatore (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    As the size of Data Centers (DCs) and the amount of information managed by them grows, nowadays electronic-based intra-Data Center Networks (DCNs) start to become a limiting factor, not providing enough scalability nor ...
  • Análisis del sincronismo de portadora mediante series de Volterra 

    Agustí Comes, Ramon; Junyent Giralt, Gabriel (1980)
    Conference report
    Open Access
    Computing the exact carrier phase-jitter delivered from the recovery circuit in a QPSK-TDMA satellite system is cumbersome and has not been sufficiently investigated due to the analytical difficulties with the non linearities. ...
  • Acotación de la probabilidad de error en un sistema de transmisión digital por fibra óptica 

    Agustí Comes, Ramon; Junyent Giralt, Gabriel (1980)
    Conference report
    Open Access
    Dans ce papier, on a obtenu des bornes inférieure et supérieure de la probabilité d 'erreur par symbole dans un systemè de transmission numérique par Fibre Optique. Pour celà, nous avons employé une simplification de la ...
  • LIGHTNESS: a deeply-programmable SDN-enabled data centre network with OCS/OPS Multicast/Unicast switch-over 

    Saridis, JM; Peng, Shpuping; Yan, Yan; Aguado, Alejandro; Buo, Bingli; Arslan, M; Jackson, C; Miao, Wang; Calabretta, Nicola; Agraz Bujan, Fernando; Spadaro, Salvatore; Bernini, Giacomo; Ciulli, Nicola; Zervas, G; Nejabati, Reza; Simeonidou, Dimitra (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Restricted access - publisher's policy
    We demonstrate an all-optical dynamic DCN utilizing a fully SDN-enabled data-plane including programmable FPGA-based NICs, offering Network Function Virtualization OCS/OPS driven multicasting for Virtual DC applications ...
  • Experimental demonstration of Flex-Grid udWDM with 6.25GHz full-duplex frequency slots for metro/access & data centers 

    Altabas, Jose Antonio; Izquierdo, David; Sotelo, F; Garcés, I; Lázaro Villa, José Antonio; Lerín de la Santísima Trinidad, Adolfo; Spadaro, Salvatore; Junyent Giralt, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Open Access
    Flex-Grid 6.25GHz full-duplex frequency slots are proposed for Metro/Access & Data-Center Networks allocating: 1Gbps Nyquist-DPSK over MZM for OLT/DC-ONU downlinks and OLT/DC up-downlinks; 1Gbps NRZ-DPSK over directly ...
  • Análisis de Errores de Medida en Campo Próximo Cilíndrico 

    Soneira Ferrando, M. José; Clavera, Jordi; Jofre Roca, Lluís; Romeu Robert, Jordi; de los Reyes, Elías (Universidad Politécnica de Madrid (UPM), 1988)
    Conference report
    Open Access
    A prograrn to compute near and far fields generated by a planar array has been developed . Sirnulations on the effect of antenna and rnesurernent errors in the cylindrical near-far field transforrnations algorithrns have ...
  • On the benefits of RINA over programmable optical networks for dynamic and smart resource management 

    Leon Gaixas, Sergio; Perelló Muntan, Jordi; Grasa, Eduard; Careglio, Davide; Spadaro, Salvatore (2015)
    Conference report
    Restricted access - publisher's policy
    In this paper, we describe the basics of the Recursive InterNetwork Architecture (RINA) and its advantages as a packet transport technology over programmable optical networks. In particular, its seamless integration over ...
  • Cylindrical microwave imaging system 

    Soneira Ferrando, M. José; Jofre Roca, Lluís; Broquetas Ibars, Antoni (1988)
    Conference report
    Open Access
    A cylindrical system for microwave tomography working at 2.45 GHz has been presented. In this setup, the body, immersed in water, is illuminated with a cylindrical wave and the measured scattered fields are processed by ...

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