Now showing items 21-40 of 72

  • 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)
    Conference report
    Restricted access - publisher's policy
    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)
    Conference report
    Restricted access - publisher's policy
    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
    Restricted access - publisher's policy
    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 J.; 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)
    Conference lecture / Conference report
    Open Access
    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)
    Conference report
    Open Access
    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)
    Conference lecture
    Restricted access - publisher's policy
    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)
    Conference report
    Open Access
    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
    Restricted access - publisher's policy
    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)
    Conference report
    Open Access
    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)
    Conference report
    Open Access
    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 ...
  • 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)
    Conference report
    Open Access
    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)
    Conference report
    Open Access
    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)
    External research report
    Open Access
    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)
    External research report
    Open Access
    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)
    Conference report
    Restricted access - publisher's policy
    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 ...
  • Guest editorial: adaptive antennas in wireless communications 

    Rodríguez Fonollosa, Javier (1999-06)
    Article
    Restricted access - publisher's policy
  • High-SNR analytical performance of spatial multiplexing MIMO systems with CSI 

    García Ordoñez, Luis; Palomar, Daniel P.; Pagès Zamora, Alba Maria; Rodríguez Fonollosa, Javier (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2007-11-30)
    Article
    Open Access
    In this paper, we investigate the average and outage performance of spatial multiplexing multiple-input multiple-output (MIMO) systems with channel state information at both sides of the link. Such systems result, for ...
  • Improved capacity lower bounds for fading channels with imperfect CSI using rate splitting 

    Pastore, Adriano; Koch, Tobias; Rodríguez Fonollosa, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    As shown by Medard (“The effect upon channel capacity in wireless communications of perfect and imperfect knowledge of the channel,” IEEE Trans. Inform. Theory, May 2000), the capacity of fading channels with imperfect ...
  • Joint beamforming and channel estimation for pilot-aided WCDMA systems 

    Mestre Pons, Francesc X.; Nájar Martón, Montserrat; Rodríguez Fonollosa, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2000)
    Conference report
    Open Access
    The problem of joint beamforming and channel estimation for multi-rate multi-code systems is addressed. Usual schemes perform this filtering/estimation operation making use of a training sequence time-multiplexed with the ...
  • Joint pilot and precoder design for optimal throughput 

    Pastore, Adriano; Joham, Michael; Rodríguez Fonollosa, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2011)
    Conference report
    Restricted access - publisher's policy
    For single-user, multiple-input multiple-output (MIMO) channels with Rayleigh fading correlated at the transmitter side, and where the receiver only has partial channel knowledge in form of an MMSE channel estimate, we ...