Now showing items 5180-5199 of 77079

  • An OFDMA-PON with non-preselected independent ONU sources and centralized feedback wavelength control: Dimensioning and experimental results 

    Cano Valadéz, Iván Nicolás; Santos Blanco, M. Concepción; Escayola Elias, Francisco Javier; Polo Querol, Víctor; Giacoumidis, E.; Kachris, C.; Tomkos, Ioannis; Prat Gomà, Josep Joan (IEEE, 2012)
    Conference report
    Restricted access - publisher's policy
    A simple and low cost method for wavelength control based on centralized OLT monitoring and feedback of economical random non-preselected independent ONU sources is presented. The technique was dimensioned and experimentally ...
  • An on-board data management solution 

    Tel, E.; Rivera, J.; Cabanas, JM; Vazquez, J. M.; Carballo, S.; Minguelez, R.; Gallardo, M.; Amutio, C. (SARTI (Technological Development Centre of Remote Acquisition and Data processing Systems), 2010-07-20)
    Article
    Open Access
    A Marine Data Management System (MDM-400) has been installed on the Instituto Español de Oceanografía (IEO) research vessel B/O Cornide de Saavedra. It is an experience of how a commercial solution has been developed ...
  • An on-line coordination algorithm for multi-robot systems 

    Montaño Sarria, Andrés Felipe; Suárez Feijóo, Raúl (2013)
    Conference report
    Restricted access - publisher's policy
    This paper proposes a solution to the problem of coordinating multi-robot systems, which execute individually planned tasks in a shared workspace. The presented approach is a decoupled method that can coordinate the participants ...
  • An Online writer recognition system based on in-air and on-surface trajectories 

    Sesa Nogueras, Enric (Universitat Politècnica de Catalunya, 2012-09-20)
    Doctoral thesis
    Open Access
  • An ontology-based approach for on-site integrated environmental and health and safety management 

    Gangolells Solanellas, Marta; Casals Casanova, Miquel (2012-12)
    Article
    Open Access
    Este artículo tiene como objetivo favorecer la implementación de sistemas integrados de gestión ambiental y de seguridad salud en empresas constructoras, centrándose en el subsistema de control de los impactos ambientales ...
  • An ontology-based approach toward the configuration of heterogeneous network devices 

    Martínez Manzanilla, Anny Gabriela (Universitat Politècnica de Catalunya, 2015-05-25)
    Doctoral thesis
    Open Access
  • An open ehealth platform for real-time professional-to-professional collaboration 

    Germán Duarte, Martín; Berdún Peñato, Jesús; Benseny, Jaume; Pieklik, Wojciech; Pawalowski, Piotr; González Cela, Alberto José (2013)
    Conference report
    Restricted access - publisher's policy
    Availability of high performance telemedicine systems has been for a long time a goal for most Medical Universities and Centers of Excellence. This technological advancement is considered a fundamental asset for those ...
  • An Open source multiplatform virtual laboratory for engineering education : special focus paper 

    Fernández Canti, Rosa M.; Lázaro Villa, José Antonio; Zarza Sánchez, Sergio; Villar Zafra, Aitor (2012-11)
    Article
    Open Access
    An autonomous and multiplatform virtual laboratory for educational purposes is presented. The implemented platform includes a server with a SSH (Secure SHell) connection and a separated repository containing the virtual ...
  • An open-source toolbox for motion analysis of closed-chain mechanisms 

    Porta Pleite, Josep Maria; Ros Giralt, Lluís; Bohigas Nadal, Oriol; Manubens Ferriol, Montserrat; Rosales Gallegos, Carlos; Jaillet, Leonard Georges (Springer, 2013)
    Conference report
    Open Access
    Many situations in Robotics require an effective analysis of the motions of a closed-chain mechanism. Despite appearing very often in practice (e.g. in parallel manipulators, reconfigurable robots, or molecular compounds), ...
  • An OpenMP* barrier using SIMD instructions for Intel® Xeon Phi™ coprocessor 

    Caballero, Diego; Duran González, Alejandro; Martorell Bofill, Xavier (Springer, 2013)
    Conference report
    Restricted access - publisher's policy
    Barrier synchronisation is a widely-studied topic since the supercomputer era due to its significant impact on the overall performance of parallel applications. With the current shift to many-core architectures, such as ...
  • An operational approach for implementing normative agents in urban wastewater systems 

    Nieves Sánchez, Juan Carlos; Garcia Gasulla, Dario; Aulinas, Montse; Cortés García, Claudio Ulises (2012-01-01)
    Article
    Open Access
    Las políticas de gestión de la calidad del agua a nivel de cuenca hidrográfica son especialmente importantes para la prevención y/o reducción de la polución originada por el hombre en el medio ambiente. Los efluentes ...
  • An operational flood warning system for poorly gauged basins: demonstration in the Guadalhorce basin (Spain) 

    Versini, Pierre Antonie; Berenguer Ferrer, Marc; Corral Alexandri, Carles; Sempere Torres, Daniel (2013-11-01)
    Article
    Restricted access - publisher's policy
    This paper deals with the presentation of a flood warning system (GFWS) developed for the specific characteristics of the Guadalhorce basin (3,200 km2, SE of Spain), which is poorly gauged and often affected by flash and ...
  • An operational framework to reason about policy behavior in trust management systems 

    Pasarella Sánchez, Ana Edelmira; Lobo, Jorge (2014)
    Conference report
    Open Access
    In this paper we show that the logical framework proposed by Becker et al. to reason about security policy behavior in a trust management context can be captured by an operational framework that is based on the language ...
  • An opportunistic cognitive radio communication through the exploitation of the small-scale fading mechanisms of the LTE mobile channel 

    Medina Acosta, Gerardo Agni; Delgado Penin, José A.; Haneda, Katsuyuki (2013)
    Article
    Open Access
    In recent years, the cognitive radio technology has attracted the attention of all the players in the telecommunication field (i.e., researchers, industry, service providers, and regulatory agencies) as a way of facing the ...
  • An Optical Burst Switching Control Plane Architecture and its Implementation 

    Triay Marquès, Joan; Rubio, Jesús; Cervelló Pastor, Cristina (2006-09-18)
    Conference lecture
    Open Access
    This paper proposes a new design and implementation of a control plane for Optical Burst Switched networks. The design is based on the principles of generality, transparency, portability and efficiency. In this way, the ...
  • An optimal anti-windup strategy for repetitive control systems German 

    Ramos Fuentes, Germán Andrés; Costa Castelló, Ramon (2011)
    Conference report
    Open Access
    Repetitive Control includes an Internal Model with high gain and slow time response characteristics which make it prone to the windup effect. A solution to this problem is the inclusion of an Anti-Windup compensator. ...
  • An optimal anytime estimation algorithm 

    Gavaldà Mestre, Ricard (2004-12)
    External research report
    Open Access
    In many applications a key step is estimating some unknown quantity ~$mu$ from a sequence of trials, each having expected value~$mu$. Optimal algorithms are known when the task is to estimate $mu$ within a multiplicative ...
  • An optimal application of symbols 

    Alsina Aubach, Montserrat (International Association of Technology, Education and Development (IATED), 2013)
    Conference report
    Open Access
    In this paper, an optimal application of symbols is described, in the context of European Higher Education Area (EHEA) for engineering degrees. Handling mathematical symbols and foreign language are common competences, and ...
  • An optimal parallel algorithm for learning DFA 

    Balcázar Navarro, José Luis; Díaz Iriberri, José; Gavaldà Mestre, Ricard; Watanabe, O. (Universitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics, 1993-01-01)
    External research report
    Open Access
    In 1987, D. Angluin presented an algorithm that exactly learns regular languages represented by deterministic finite automata (dfa) from Membership and Equivalence queries. Furthermore, the algorithm is feasible in the ...
  • An optimisation framework for aircraft operators dealing with capacity-demand imbalances in SESAR 

    Delgado Muñoz, Luis; Prats Menéndez, Xavier (2010)
    Conference report
    Open Access
    This paper presents a framework for the negotiation phase that is foreseen in the new operational concept proposed in the Single European Sky Research (SESAR) program. In particular, this paper describes a possible ...