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Visualitzant Departament de Tecnologies de la Informació i les Comunicacions per data de publicació

Visualitzant Departament de Tecnologies de la Informació i les Comunicacions per data de publicació

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  • Parés, Narcís, 1966-; Parés, Roc, 1968- (MIT Press, 2001)
    Virtual reality application design is usually guided by a content-driven strategy, which gives priority to the application's content and context. In this paper, we shall describe and study a novel strategy in VR application ...
  • Farrús, Mireia; Cassan, Adán; Cervell, Sergi; Colom, Mireia; González, Ignacio; Marín, Rafael; Trotzig, David (Sociedad Española para el Procesamiento del Lenguaje Natural (SEPLN), 2001)
    Esta presentación muestra cómo funciona la Interfaz Descriptores, una aplicación que permite la sistematización de los descripores humanos en los artículos enciclopédicos del medio editorial
  • Lozano Solsona, Angel (Institute of Electrical and Electronics Engineers (IEEE), 2003)
    The simultaneous use of multiple transmit and receive antennas can unleash very large capacity increases in rich multipath environments. Although such capacities can be approached by layered multi-antenna architectures ...
  • Bote-Lorenzo, Miguel L.; Hernández Leo, Davinia; Dimitriadis, Yannis; Asensio-Pérez, Juan I.; Gómez-Sánchez, Eduardo; Vega-Gorgojo, Guillermo; Vaquero-Gónzalez, Luis M. (ACTA Press, 2004)
    CSCL applications are complex distributed systems that pose/nspecial requirements towards achieving success in educational/nsettings. Flexible and efficient design of collaborative activities/nby educators is a key ...
  • Chung, Seong Taek; Lozano Solsona, Angel; Huang, Howard C.; Sutivong, Arak; Cioffi, John M. (Hindawi, 2004)
    This paper presents an extension of the vertical Bell Laboratories Layered Space-Time (V-BLAST) architecture in which the closed-loop multiple-input multiple-output (MIMO) capacity can be approached with conventional scalar ...
  • Zheng, Haitao; Lozano Solsona, Angel; Haleem, Mohamed (Hindawi, 2004)
    We propose a new automatic repeat request (ARQ) scheme for MIMO systems with multiple transmit and receive antennas. The substreams emitted from various transmit antennas encounter distinct propagation channels and thus ...
  • Farrús, Mireia; Anguita, Jan; Anguera Miró, Xavier, 1978-; Crego, Josep Maria; de Gispert, A.; Hernando, Javier; Nadeu Camprubí, Climent (2004)
    La visió actual de la societat de la informació gira fonamentalment al voltant de la llengua escrita. No obstant, és evident que la forma més natural i espontània de comunicació entre els éssers humans és la parla, i no ...
  • Anguera Miró, Xavier, 1978-; Farrús, Mireia; Hernando, Javier (2004)
    L'evolució de la societat de la informació ha esdevingut un incessant increment de continguts audiovisuals que s’emeten constantment en cadenes de televisió i emissores de radio locals i nacionals en llengua catalana. ...
  • Bonet, Blai; Geffner, Héctor (Association for the Advancement of Artificial Intelligence (AAAI), 2005)
    We describe the version of the GPT planner to be used in the planning competition. This version, called mGPT, solves mdps specified in the ppddl/nlanguage by extracting and using different classes of lower bounds, along ...
  • Parés, Narcís, 1966-; Masri, Paul; van Wolferen, Gerard; Creed, Chris (Institute of Electrical and Electronics Engineers (IEEE), 2005)
    This paper presents an adaptive physical environment that allows children with severe autism to successfully interact with/nmultimodal stimuli, giving them a sense of control of the interaction and, hence, providing them ...
  • Hernández Leo, Davinia; Asensio-Pérez, Juan I.; Dimitriadis, Yannis (International Forum of Educational Technology & Society, 2005)
    The identification and integration of reusable and customizable CSCL (Computer Supported Collaborative Learning) may benefit from the capture of best practices in collaborative learning structuring. The authors have proposed ...
  • Samardzija, Dragan; Lozano Solsona, Angel; Papadias, Constantinos B (Hindawi, 2005)
    In single-user MIMO communication, the first-order throughput scaling is determined by the smallest of the number of transmit and receive antennas. This typically renders terminals the constraining bottleneck. In a multiuser ...
  • Hernández Leo, Davinia; Asensio-Pérez, Juan I.; Dimitriadis, Yannis; Bote-Lorenzo, Miguel L.; Jorrín-Abellán, Iván M.; Villasclaras-Fernández, Eloy D. (ACTA Press, 2005)
    Designs of CSCL (Computer Supported Collaborative Learning)/nactivities should be flexible, effective and customizable to/nparticular learning situations. On the other hand, structured/ndesigns aim to create favourable ...
  • Tulino, Antonia M.; Lozano Solsona, Angel; Verdú, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2005)
    This paper applies random matrix theory to obtain analytical characterizations of the capacity of correlated multiantenna channels. The analysis is not restricted to the popular separable correlation model, but rather it ...
  • Lozano Solsona, Angel; Tulino, Antonia M.; Verdú, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2006)
    The analysis of the multiantenna capacity in the high-SNR regime has hitherto focused on the high-SNR slope (or maximum multiplexing gain), which quantifies the multiplicative /nincrease as function of the number of antennas. ...
  • Lozano Solsona, Angel; Tulino, Antonia M.; Verdú, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2006)
    The mutual information of independent parallel Gaussian-noise channels is maximized, under an average power constraint, by independent Gaussian inputs whose power is allocated according to the waterfilling policy. In ...
  • Tulino, Antonia M.; Lozano Solsona, Angel; Verdú, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2006)
    We characterize the capacity-achieving input covariance for multi-antenna channels known instantaneously at the receiver and in distribution at the transmitter. Our characterization, valid for arbitrary numbers of antennas, ...
  • Hernando, Javier; Farrús, Mireia; Ejarque, Pascual; Garde, Ainara; Luque, Jordi; Comunicació presentada a: SECRYPT 2006, International Conference on Security and Cryptography, celebrada a Setúbal, Portugal, del 7 al 10 d'agost de 2006 (INSTICC Press, 2006)
    Prosodic information can be used successfully for automatic speaker recognition, although most of the speaker recognition systems use only short-term spectral features as voice information. In this work, prosody information ...
  • Parés, Narcís, 1966-; Parés, Roc, 1968- (MIT Press, 2006)
    After analyzing how VR experiences are modeled within human computer interaction (CHI) we have found there is a deep theoretical gap. Similarly to how the scientific community has defined CHI models for multimedia applications, ...
  • Jorrín-Abellán, Iván M.; Ruiz-Requies, Inés; Hernández Leo, Davinia; Villasclaras-Fernández, Eloy D.; Dimitriadis, Yannis; Rubia-Avi, Bartolomé; Asensio-Pérez, Juan I. (International Forum of Educational Technology & Society, 2006)
    This paper introduces Collage, a high-level IMS-LD compliant authoring tool that is specialized for CSCL (Computer-Supported Collaborative Learning). Nowadays CSCL is a key trend in elearning since it highlights the ...