Exploració per autor "Vidal Manzano, José"Més informacióMés informació

Ara es mostren els items 135-154 de 164

    • Rational characteristic functions and markov chains 

      Vidal Manzano, José; Bonafonte Cávez, Antonio; Losada, N; Rodríguez Fonollosa, José Adrián; Rodríguez Fonollosa, Javier (. S.N., 1995)
      Text en actes de congrés
      Accés obert
      Abstract 1 We investigate in this paper how to estimate the density function of a random variable using a parametric ARMA model for its characteristic function. The choice of this model is motivated by the fact that this ...

    • Receive antenna selection and hybrid precoding for receive spatial modulation in massive MIMO systems 

      Raafat Hosny Mohamed Fahm, Ahmed; Agustín de Dios, Adrián; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés obert
      Recently, a receive spatial modulation (RSM) for massive multiple-input-multiple-output operating in millimeter wave (mmWave) was introduced with the purpose of simplifying user terminal circuit by employing only one ...

    • Receive spatial modulation for massive MIMO systems 

      Raafat Hosny Mohamed Fahm, Ahmed; Agustín de Dios, Adrián; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      In this paper, we consider the downlink of a massive multiple-input-multiple-output (MIMO) single user transmission system operating in the millimeter wave outdoor narrowband channel environment. We propose a novel receive ...

    • Reconfigurable intelligent surfaces for receive spatial modulation in rank-deficient channels 

      Moreno Locubiche, Ainna Yue; Vidal Manzano, José; Pascual Iserte, Antonio; Muñoz Medina, Olga (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      Receive spatial modulation (RSM) has been proposed as an effective transmission technology for next-generation wireless communications systems because of its reduced complexity and low energy consumption at the receiver ...

    • Resource optimization in the decode-and-forward multiple relay-assisted channel 

      Vidal Manzano, José; Agustín de Dios, Adrián (2008)
      Text en actes de congrés
      Accés obert
      The half-duplex multiple relay-assisted channel is investigated, where the relays work under decode-and-forward (DF) in time/frequency orthogonal resources. Achievable rates are optimized with respect to the transmitted ...

    • Retrospective interference alignment for the 3-user MIMO interference channel with delayed CSIT 

      Torrellas Socastro, Marc; Agustín de Dios, Adrián; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The degrees of freedom (DoF) of the 3-user multiple input multiple output interference channel (3-user MIMO IC) are investigated where there is delayed channel state information at the transmitters (dCSIT). We generalize ...

    • Selection of the reference anchor node by using SNR in TDOA-based positioning 

      René Jativa, E.; Ortiz, Diego; Venegas, Pablo; Vidal Manzano, José (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This article studies the positioning problem for wireless networks when TDOA measures are used and the reference anchor node is not previously known. We carried out various experiments to show the impact on accuracy when ...

    • Signal-timing offset compensation in dense TDD OFDM-based networks 

      Agustín de Dios, Adrián; Lagén Morancho, Sandra; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      Orthogonal Frequency Division Multiplexing (OFDM)-based networks rely on time synchronization to obtain their best performance. Time synchronization with neighboring nodes can be satisfied by increasing the cyclic prefix ...

    • Software Radio para antenas inteligentes en comunicaciones personales multistandard 

      Vidal Manzano, José; Cabrera-Bean, Margarita; Fonollosa, Javier R; Lagunas Hernandez, Miguel A.; Mestre, Xavier; Mestre Pons, Francesc X.; Pérez Neira, Ana Isabel (Patrocinadores: Alcatel, Indra, Amper y otros, 1998)
      Text en actes de congrés
      Accés obert

    • Space-Time diversity for NLOS mitigation in TDOA-based positioning systems 

      René Jativa, E.; Garzon, Esteban; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés obert
      This paper studies the potential impact of using space-Time information in the mitigation of the Non-LineOf-Sight condition in mobile subscriber's positioning systems. First of all, this work discusses the positioning ...

    • Space-time front-ends for RAKE receivers in the FDD mode of UTRA 

      Vidal Manzano, José; Cabrera-Bean, Margarita; Agustín de Dios, Adrián (AMADEIA. Association Marocaine pour le Développement de l'Electrique, l'Electronique, l'Informatique et l'Automatique, 2000-01)
      Article
      Accés obert
      A unified and general vision of different space-time processors is presented. Many popular receivers can be accomodated, like V-RAKE receivers, weighted V-RAKE, or spatial narrowband beamforming. By making appropriate ...

    • Spatial processing for frequency diversity schemes 

      Lagunas Hernandez, Miguel A.; Pérez Neira, Ana Isabel; Amin, Moeness; Vidal Manzano, José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2000-02-28)
      Article
      Accés obert
      A novel technique to obtain optimum blind spatial processing for frequency diversity spread spectrum (FDSS) communication systems is introduced. The sufficient statistics for a linear combiner, which prove ineffective ...

    • State-of-the-art assessment of 5G mmWave communications 

      Agustín de Dios, Adrián; Vidal Manzano, José; Corre, Yoann; Gougeon, Gregory; Letourneux, Florian; Basavarajappa, Vedaprabhu; Bedia, Beatri; Tan, Yi (2016-04-30)
      Report de recerca
      Accés obert
      Main objective of the European 5Gwireless project, which is part of the H2020 Marie Slodowska- Curie ITN (Innovative Training Networks) program resides in the training and involvement of young researchers in the elaboration ...

    • Stochastic resource allocation with a backhaul constraint for the uplink 

      Rubio López, Javier; Muñoz Medina, Olga; Pascual Iserte, Antonio; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
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      We propose a novel stochastic radio resource alloca- tion strategy for the uplink that achieves long-term fairness in terms of similar bitrates considering backhaul and air-interface capacity limitations. We focus on a ...

    • System identification using a linear combination of cumulant slices 

      Rodríguez Fonollosa, José Adrián; Vidal Manzano, José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1993-07-01)
      Article
      Accés obert
      In this paper we develop a new linear approach to identify the parameters of a moving average (MA) model from the statistics of the output. First, we show that, under some constraints, the impulse response of the system ...

    • Technoeconomic evaluation of cooperative relaying transmission techniques in OFDM cellular networks 

      Moral, Antolín; Vidal Manzano, José; Pérez, Jorge; Agustín de Dios, Adrián; Marina, Ninoslav; Host-Madsen, Anders (HINDAWI, 2011-02-27)
      Article
      Accés restringit per política de l'editorial
      We evaluate the costs in the deployment of a 4G relay-assisted network in the 2.6GHz band following a technoeconomic methodology that departs fromcell dimensioning based on spectral efficiency and outage capacity requirements. ...

    • Tema 3: Análisis de componentes independientes (ICA) 

      Cabrera-Bean, Margarita; Vidal Manzano, José (Universitat Politècnica de Catalunya, 2006)
      Apunts
      Accés obert

    • Tema 4.1: K-Nearest - Métodos transformados para la compresión de imagen 

      Cabrera-Bean, Margarita; Vidal Manzano, José (Universitat Politècnica de Catalunya, 2004)
      Apunts
      Accés obert

    • Tema 5. Clustering 

      Cabrera-Bean, Margarita; Vidal Manzano, José (Universitat Politècnica de Catalunya, 2006)
      Problema, exercici
      Accés obert

    • Técnicas Independientes del Algoritmo 

      Cabrera-Bean, Margarita; Vidal Manzano, José (Universitat Politècnica de Catalunya, 2005)
      Apunts
      Accés obert