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Ara es mostren els items 21-40 de 164

    • Blind multiuser identification and detection in cdma systems 

      Rodríguez Fonollosa, Javier; Rodríguez Fonollosa, José Adrián; Zvonar, Z; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 1995)
      Text en actes de congrés
      Accés obert
      Multiuser detection in code division multiple access systems usually requires either knowledge of the transmitted signature sequences and channel state information or use of a known training sequence for adaptation. We ...

    • Channel training procedures for MIMO interfering point-to-multipoint channel 

      Agustín de Dios, Adrián; Lagén Morancho, Sandra; Vidal Manzano, José (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A precise knowledge of the MIMO channel between the serving node and the user equipment (UE) is important for attaining good data rates in downlink transmissions (DL) in cellular systems. The interfering point-tomulti ...

    • Chapter 16: 5G Challenges for the Wireless Access 

      Vidal Manzano, José (2020-12-16)
      Audiovisual
      Accés obert
      Aquest vídeo parla dels reptes de la tecnologia 5G en l'accés sense fils

    • Chapter 17: Flexible Transmission Framework 

      Vidal Manzano, José (2020-12-16)
      Audiovisual
      Accés obert
      Aquest vídeo parla del disseny de les senyals transmeses en 5G NR

    • Chapter 18: Access and Channel Sounding 

      Vidal Manzano, José (2020-12-16)
      Audiovisual
      Accés obert
      Aquest vídeo explica el sondeig de canals per a la transmissió de dades en 5G.

    • Chapter 19: Enabling Radio Technologies I 

      Vidal Manzano, José (2020-12-16)
      Audiovisual
      Accés obert
      Aquest vídeo parla de tecnologies dissenyades per al 5G

    • Chapter 20: Enabling Radio Technologies II 

      Vidal Manzano, José (2020-12-16)
      Audiovisual
      Accés obert
      Aquest vídeo fa revisió de conceptes importants de la tecnologia 5G NR

    • Clasificación de patrones 

      Cabrera-Bean, Margarita; Vidal Manzano, José (Universitat Politècnica de Catalunya, 2007)
      Apunts
      Accés obert

    • Clasificadores no Paramétricos 

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

    • Coexisting linear and widely linear transceivers in the MIMO interference 

      Lagén Morancho, Sandra; Agustín de Dios, Adrián; Vidal Manzano, José (2016-01)
      Article
      Accés obert
      Recent results have shown the benefits of widely linear precoding (WLP) in the MIMO interference channel (MIMO IC) assuming that all transmitters can follow the same strategy. Motivated by a transitional scenario where ...

    • Compress-and-forward cooperative MIMO relaying with full channel state information 

      Simoens, Sebastien; Muñoz Medina, Olga; Vidal Manzano, José; Coso, Aitor del (2010-02)
      Article
      Accés obert

    • Contextual multi-armed bandits for non-stationary wireless network selection 

      Martínez Casanovas, Lluís; Vidal Manzano, José; Cabrera-Bean, Margarita (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Text en actes de congrés
      Accés obert
      As the number of wireless technologies (4G, 5G, 802.11ax and other) have been rapidly increasing, so have the number of wireless networks concurrently deployed on a given coverage area. As a result, the judicious selection ...

    • Cooperative linear precoding for multi-user MISO visible light communications 

      Viñals Terrés, Roser; Muñoz Medina, Olga; Agustín de Dios, Adrián; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
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      This paper develops and evaluates precoding techniques for coordinated joint transmission in visible light communications (VLC). A multi-user multiple-input single-output (MISO) setup is adopted. Transmitters are equipped ...

    • Coordinated MIMO precoding for power minimization in femtocell systems 

      Muñoz Medina, Olga; Vidal Manzano, José; Agustín de Dios, Adrián; Pascual Iserte, Antonio; Barbarossa, Sergio (IEEE, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial

    • Cramer-Rao bounds in the estimation of time of arrival in fading channels 

      René Jativa, E.; Vidal Manzano, José (2018-03-16)
      Article
      Accés obert
      This paper computes the Cramer-Rao bounds for the time of arrival estimation in a multipath Rice and Rayleigh fading scenario, conditioned to the previous estimation of a set of propagation channels, since these channel ...

    • Data hidding in color images using perceptual models 

      Vidal Manzano, José; Sayrol Clols, Elisa; Madueño Ruíz, María Isabel (Christian Germain, Eric Grivel, Olivier Lavialle, 2000)
      Text en actes de congrés
      Accés obert
      One of the problems arising from the use of digital media is the ease of identical copies of digital images or audio files, allowing manipulation and unauthorized use. Copyright is an effective tool for preserving ...

    • Decentralized beamforming with coordinated sounding for inter-cell interference management 

      Lagén Morancho, Sandra; Agustín de Dios, Adrián; Vidal Manzano, José (VDE Conference Publications, 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents and evaluates a decentralized beamforming design for inter-cell interference management that is highly recommended in Time Division Duplex (TDD) cellular network deployments and interference limited ...

    • Decentralized coordinated precoding for dense TDD small cell networks 

      Lagén Morancho, Sandra; Agustín de Dios, Adrián; Vidal Manzano, José (2015-08-01)
      Article
      Accés obert
      Cellular networks need the densification of small eNBs (SeNBs) to face the tremendous data traffic demand growth, implying an interference increase and making transmit coordination a key enabler. This article proposes a ...

    • 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 ...

    • Decentralized widely linear precoding design for the MIMO interference channel 

      Lagén Morancho, Sandra; Agustín de Dios, Adrián; Vidal Manzano, José (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      his paper addresses the interference management in a MIMO interference channel (MIMO-IC) by proposing a decentralized transmit and receive beamformer optimization using improper (or circularly asymmetric complex) Gaussian ...