Ara es mostren els items 21-40 de 95

    • Comparison of different transmit diversity space-time code algorithms 

      Gaspa Maynou, Roger; Rodríguez Fonollosa, Javier (European Commission, 2000)
      Text en actes de congrés
      Accés obert
      Recently, it has been proven that employing more than one transmit antenna increases channel throughput, and different strategies have been developed in order to achieve transmit diversity advantage. Space-time codes combine ...
    • Comunicaciones II : ejercicios resueltos 

      Cabrera-Bean, Margarita; Rodríguez Fonollosa, Javier; Fernández Rubio, Juan Antonio; Riba Sagarra, Jaume (Edicions UPC, 2005)
      Llibre
      Accés restringit a la comunitat UPC
      Este material constituye una recopilación de problemas de examen, resueltos por los profesores de la asignatura Comunicaciones 2, impartida en el segundo curso de los estudios de Ingeniería Técnica Superior de Telecomunicaciones ...
    • Day-ahead bidding strategies for demand-side expected cost minimization 

      Atzeni, Italo; García Ordoñez, Luis; Scutari, Gesualdo; Palomar, D.P.; Rodríguez Fonollosa, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Day-ahead DSM techniques in the smart grid allow the supply-side to know in advance an estimation of the amount of energy to be provided to the demand-side during the upcoming day. However, a pure day-ahead optimization ...
    • Decentralized weighted sum rate maximization in MIMO-OFDMA femtocell networks 

      Agustín de Dios, Adrián; Vidal Manzano, José; Muñoz Medina, Olga; Rodríguez Fonollosa, Javier (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      We propose a decentralized strategy for downlink interference management in overlaid MIMO femtocell-macrocell deployments operating in the same band under OFDMA access. The resource allocation, consisting of MIMO precoders ...
    • Demand-side management via distributed energy generation and storage optimization 

      Atzeni, Italo; García Ordoñez, Luis; Scutari, Gesualdo; Palomar, Daniel P.; Rodríguez Fonollosa, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2013-06)
      Article
      Accés restringit per política de l'editorial
      Demand-side management, together with the integration of distributed energy generation and storage, are considered increasingly essential elements for implementing the smart grid concept and balancing massive energy ...
    • Desplegament de recursos en línea per a l’avaluació i l’autoaprenentage dels alumnes, i foment de l’especialització i competències transversals en el màster MERIT 

      Pradell i Cara, Lluís; Cardama Aznar, Ángel; Canal Bienzobas, Fernando; Jofre Roca, Lluís; Junyent Giralt, Gabriel; Herranz Luis, Jaime; Mallorquí Franquet, Jordi Joan; Nadeu Camprubí, Climent; Pagès Zamora, Alba Maria; Pradell i Cara, Lluís; Rius Casals, Juan Manuel; Rodríguez Fonollosa, Javier; Romeu Robert, Jordi; Coderch Collell, Marcel; Kerans, Mary Ellen; Law, Carolyn; García Hernández, Antonio; Gutiérrez Martos, David; Hernández Bonet, Antoni; Ferrer Bosch, Anna; Pérez Trufero, Javier; Torre Lara, Jordi de la; Torres Matabosch, Núria (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2010-02-11)
      Comunicació de congrés / Text en actes de congrés
      Accés obert
      El projecte es desenvolupa en el marc de la titulació oficial de màster MERIT del Departament de Teoria del Senyal i Comunicacions. El màster, orientat a la recerca i integrat dins del programa Erasmus Mundus, presenta ...
    • Diversity in mobile communications for blind detection of block-coded modulations 

      Vázquez Grau, Gregorio; Rey Micolau, Francesc; Lamarca Orozco, M. Meritxell; Rodríguez Fonollosa, Javier (Institute of Electrical and Electronics Engineers (IEEE), 1999)
      Text en actes de congrés
      Accés obert
      Spatial, temporal, and frequency diversity structures are analyzed to address the blind equalization problem in the presence of time-variant frequency selective channels. The aim of the paper is to present equalization ...
    • DMA tradeoff for the MIMO static half-duplex relay 

      García Ordoñez, Luis; Pérez Palomar, Daniel; Rodríguez Fonollosa, Javier (2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The diversity and multiplexing tradeoff (DMT) has been extensively applied in the literature to compare the high-SNR outage performance of relaying techniques and to propose new design guidelines. The problem with this ...
    • Downlink beamforming for cellular mobile communications 

      Goldberg, J; Rodríguez Fonollosa, Javier (IEEE INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, INC., 1997)
      Text en actes de congrés
      Accés obert
      A new technique for downlink transmission beamformer design in cellular mobile communications systems using an antenna array at the base station is presented. The method is based on estimation of an underlying spatial ...
    • Downlink beamforming for spatially distributed sources in cellular mobile communications 

      Goldberg, Jason Matthew; Rodríguez Fonollosa, Javier (1998-03)
      Article
      Accés restringit per política de l'editorial
      This paper presents a new technique for downlink transmission beamformer design in cellular mobile communication systems using antenna arrays at the base station. The method is based on estimation of an underlying spatial ...
    • Downlink beamforming in cellular mobile communications 

      Rodríguez Fonollosa, Javier; Goldberg, J; Vázquez Grau, Gregorio (Institute of Electrical and Electronics Engineers (IEEE), 1997)
      Text en actes de congrés
      Accés obert
      A technique for downlink transmission beamformer design in cellular mobile communications systems using an antenna array at the base station is presented. The method is based on estimation of an underlying spatial distribution ...
    • Estimation of the modulation index of cpm signals using hos 

      Rodríguez Fonollosa, Javier; Rodríguez Fonollosa, José Adrián (Institute of Electrical and Electronics Engineers (IEEE), 1993)
      Text en actes de congrés
      Accés obert
      Three simple methods are proposed for the estimation of the modulation index of continuous phase modulated signals in noise. These methods employ the estimated autocorrelation and fourth-order cumulant sequences of the ...
    • Examen Final 

      Rodríguez Fonollosa, Javier (Universitat Politècnica de Catalunya, 2020-06-04)
      Examen
      Accés restringit a la comunitat UPC
    • Experimental result for a sdma mobile communications antenna array system 

      Goldberg, Jason Matthew; Pagès Zamora, Alba Maria; Lagunas Hernandez, Miguel A.; Rodríguez Fonollosa, Javier; Vázquez Grau, Gregorio (EE PUBL. EE PUBL., 1996)
      Text en actes de congrés
      Accés obert
      This paper presents experimental results for a Spatial Division Multiple Access cellular mobile communications system. The basestation antenna array testbed used to obtain the results is described in addition to sophisticated ...
    • Experimental results for an SDMA mobile communication's antenna array system 

      Goldberg, Jason Matthew; Pagès Zamora, Alba Maria; Lagunas Hernandez, Miguel A.; Rodríguez Fonollosa, Javier; Vázquez Grau, Gregorio (Institute of Electrical and Electronics Engineers (IEEE), 1996)
      Text en actes de congrés
      Accés obert
      This paper presents experimental results for a SpatialDivision Multiple Access cellular mobile communicationssystem. The basestation antenna array testbedused to obtain the results is described in addition tosophisticated ...
    • FREEDOM D3.2 Interference Coordination Protocols in Femto-based Networks 

      Agustín de Dios, Adrián; Muñoz Medina, Olga; Vidal Manzano, José; Goldhammer, Mariana; Rodríguez Fonollosa, Javier; Pastore, Adriano; Sardellitti, Stefania; Pescosolido, Loreto; di Lorenzo, Paolo; Barbarossa, Sergio; Baiocchi, Andrea; de Marinis, Enrico; Imponente, Giovanni; Pucci, Fabrizio; Rosi, Guido (2011-11-28)
      Report de recerca
      Accés obert
      This document looks into coordinated radio resource allocation algorithms in deployments of huge number of femto-access points (FAP) by exploiting the message exchange at control-plane level through the wired ISP backhaul ...
    • FREEDOM Project. Interference coordination protocols in femto-based networks 

      Rosi, Guido; Pucci, Fabrizio; Imponente, Giovanni; de Marinis, Enrico; Baiocchi, Andrea; Barbarossa, Sergio; di Lorenzo, Paolo; Agustín de Dios, Adrián; Muñoz Medina, Olga; Vidal Manzano, José; Goldhamer, M.; Rodríguez Fonollosa, Javier; Pastore, A.; Sardellitti, Stefania; Pescosolido, Loreto (2011-11-28)
      Report de recerca
      Accés obert
      This document looks into coordinated radio resource allocation algorithms in deployments of huge number of femto-access points (FAP) by exploiting the message exchange at control-plane level through the wired ISP backhaul ...
    • Fundamental diversity, multiplexing, and array gain tradeoff under different MIMO channel models 

      García Ordoñez, Luis; Pérez Palomar, Daniel; Rodríguez Fonollosa, Javier (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Following the seminal work of Zheng and Tse on the diversity and multiplexing tradeoff (DMT) of MIMO channels, in this paper we introduce the array gain to investigate the fundamental relation between transmission rate and ...
    • Generalized perfect codes for symmetric classical-quantum channels 

      Blasco Coll, Andreu; Vázquez Vilar, Gonzalo; Rodríguez Fonollosa, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2022-09)
      Article
      Accés obert
      We define a new family of codes for symmetric classical-quantum channels and establish their optimality. To this end, we extend the classical notion of generalized perfect and quasi-perfect codes to channels defined over ...
    • Guest editorial: adaptive antennas in wireless communications 

      Rodríguez Fonollosa, Javier (1999-06)
      Article
      Accés restringit per política de l'editorial