Now showing items 1-20 of 149

    • 3G access network dimensioning in isolated rural areas based on femtocells 

      Olmo Alòs, Jaume del; Pascual Iserte, Antonio; Vidal Manzano, José; Muñoz Medina, Olga; Agustín de Dios, Adrián (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      Based on the definition of the access network architecture and the forecast of voice and data traffic evolution, this paper derives engineering rules for radio network dimensioning of 3G femtocell-based access networks in ...
    • 6G in the sky: On-demand intelligence at the edge of 3D networks (Invited paper) 

      Calvanese Strinati, Emilio; Barbarossa, Sergio; Choi, Taesang; Pietrabissa, Antonio; Giuseppi, Alessandro; De Santis, Emanuele; Vidal Manzano, José; Becvar, Zdenek; Haustein, Thomas; Cassiau, Nicolas; Costanzo, Francesca; Kim, Junhyeong; Kim, Ilgyu (2020-10)
      Article
      Open Access
      Sixth generation will exploit satellite, aerial, and terrestrial platforms jointly to improve radio access capability and unlock the support of on-demand edge cloud services in three-dimensional (3D) space, by incorporating ...
    • A practical approach for NLOS mitigation in location-aware networks 

      René, Játiva A.; Valdiviezo, Santiago; Espinosa, Andy; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference report
      Restricted access - publisher's policy
      This paper introduces a practical two-stage approach to achieve the mitigation of the Non Line Of Sight condition by using space-time diversity in timing-based mobile subscribers positioning systems. The first stage performs ...
    • A service-constrained positioning strategy for an autonomous fleet of airborne base stations 

      José Torra, Ferran; Pascual Iserte, Antonio; Vidal Manzano, José (Multidisciplinary Digital Publishing Institute (MDPI), 2018-10)
      Article
      Open Access
      This paper proposes a positioning strategy for a fleet of unmanned aerial vehicles (UAVs) airlifting wireless base stations driven by communication constraints. First, two schedulers that model the distribution of resources ...
    • Achievable DoF-delay trade-offs for the K-user MIMO interference channel with delayed CSIT 

      Torrellas, Marc; Agustín de Dios, Adrián; Vidal Manzano, José (2016-12-01)
      Article
      Open Access
      The degrees of freedom (DoFs) of the K-user multiple-input multiple-output (MIMO) interference channel are studied when perfect, but delayed channel state information is available at the transmitter side (delayed CSIT). ...
    • Adaptive bitrate and resource allocation for relay-assisted ARQ transmissions 

      Agustín de Dios, Adrián; Vidal Manzano, José; Muñoz Medina, Olga (2009)
      Conference report
      Open Access
      Automatic repeat request (ARQ) protocols deal with the situations where the selected data rate is not supported by the current channel realization. The inappropriate selection is motivated by the limited channel state ...
    • Adaptive blind equalization using weighted cumulant slices 

      Vidal Manzano, José; Rodríguez Fonollosa, José Adrián (Institute of Electrical and Electronics Engineers (IEEE), 1994)
      Conference report
      Open Access
      Many linear methods have been proposed in the literature to blindly estimate the ARMA parameters of a time series using HOS. Nevertheless, they are mainly off-line and not much has been done in the adaptive case. The method ...
    • Adaptive blind system identification using weighted cumulant slices 

      Vidal Manzano, José; Rodríguez Fonollosa, José Adrián (1996-03)
      Article
      Restricted access - publisher's policy
      Many linear methods have been proposed in the literature to blindly estimate the ARMA parameters of a time series using HOS. Nevertheless, they are mainly off-line and not much has been done in the adaptive case. The method ...
    • An architecture for mobile computation offloading on cloud-enabled LTE small cells 

      Lobillo Vilela, Felicia; Becvar, Zdenek; Puente, Miguel Angel; Mach, Pavel; Lo Presti, Francesco; Gambetti, Fabrizio; Goldhamer, Mariana; Vidal Manzano, José; Widiawan, Anggoro K.; Calvanesse, Emilio (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference lecture
      Restricted access - publisher's policy
      Small cell networks are currently seen as a new way to satisfy the increasing wireless traffic demand. The proximity of base stations to subscribers brings many possibilities for the development of new applications, including ...
    • An improved interference alignment scheme for frequency selective channels 

      Shen, Minqi; Host-Madsen, Anders; Vidal Manzano, José (2008)
      Conference report
      Open Access
      In this paper, the achievable rate of a K-user interference channel with single antenna at individual node is studied. Interference alignment and zero forcing are applied at the transmitter and receiver, respectively. ...
    • Analysis of downlink and uplink decoupling in dense cellular networks 

      Aravanis, Alexios; Muñoz Medina, Olga; Pascual Iserte, Antonio; Vidal Manzano, José (Institute of Electrical and Electronics Engineers (IEEE), 2016-12-22)
      Conference report
      Open Access
      Decoupling uplink (UL) and downlink (DL) is a new architectural paradigm where DL and UL are not constrained to be associated to the same base station (BS). Building upon this paradigm, the goal of the present paper is to ...
    • Analytic performance evaluation of cumulant-based arma system identification methods 

      Rodríguez Fonollosa, José Adrián; Vidal Manzano, José (IEEE IEEE PRESS, 1993)
      Conference report
      Open Access
      The authors perform an analytic study of some cumulant-based methods for estimating the AR parameters of ARMA processes. The analysis includes new AR identifiability results for pure AR process and the analytic performance ...
    • Analytical resource optimization for DF relay-assisted transmission under HARQ 

      Agustín de Dios, Adrián; Vidal Manzano, José; Muñoz Medina, Olga (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Conference report
      Open Access
      Under limited channel state information at the transmitter the communication suffers from the outage events produced by a data rate selection not supported by the current channel realization. Automatic repeat request (ARQ) ...
    • Aprendizaje NO Supervisado: CLUSTERING 

      Cabrera-Bean, Margarita; Vidal Manzano, José (Universitat Politècnica de Catalunya, 2005)
      Lecture notes
      Open Access
    • Autoencoders for health improvement by compressing the set of patient features 

      Cabrera-Bean, Margarita; Pereira Dos Santos, Víctor Jerri; Roso Llorach, Albert; Fernández Bertolín, Sergio; Vidal Manzano, José; Violán Fors, Concepción (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Conference lecture
      Restricted access - publisher's policy
      A challenge to solve when analyzing multimorbidity patterns in elderly people is the management of a high number of characteristics associated with each patient. The main variables to study multimorbidity are diseases, ...
    • Based Models 

      Cabrera-Bean, Margarita; Vidal Manzano, José (Universitat Politècnica de Catalunya, 2006)
      Lecture notes
      Open Access
    • Blind multiuser deconvolution in fading and dispersive channels 

      Rodríguez Fonollosa, Javier; Rodríguez Fonollosa, José Adrián; Zvonar, Z; Vidal Manzano, José (. S.N., 1995)
      Conference report
      Open Access
      An adaptive near-far resistant technique for the blind joint multiuser identification and detection in asynchronous CDMA systems is analyzed in fading and dispersive GSM channels.
    • 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)
      Conference report
      Open Access
      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)
      Conference report
      Restricted access - publisher's policy
      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
      Open Access
      Aquest vídeo parla dels reptes de la tecnologia 5G en l'accés sense fils