Ara es mostren els items 1-20 de 198

  • A context-aware service architecture for the integration of body sensor networks and social networks through IP multimedia subsystem 

    Domingo Aladrén, Mari Carmen (2011-01-01)
    Article
    Accés restringit per política de l'editorial
    In this article a new context-aware architecture is proposed for the integration of body sensor networks and social networks through the IP Multimedia Subsystem. Its motivating application scenarios are described. The ...
  • Acoustic telemetry system for underwater sensors 

    Sarriá Gandul, David; Molino Minero, Erik; Manuel Lázaro, Antonio (IEEE, 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The design of an acoustic telemetry system is presented and evaluated. We describe the main characteristics of the communication system, the transmitter and the receiver. The scheme of the proposed design consists of ...
  • Acquisition system for improving energy efficiency in trawler vessels 

    Sarriá Gandul, David; Sanchez Garcia, Antonio Francisco; Río Fernandez, Joaquín del; Molino Minero, Erik; Manuel Lázaro, Antonio; Valls Vilaespasa, Frederic (2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    A remote data measurement and acquisition system has been developed to study the energy consumption of fishing trawler vessels, with the purpose to improve their efficiency. The system consists on a sensor network ...
  • Adaptación de plataformas de sensores inalámbricas a la arquitectura de TinyOS 

    Gómez Sans, Álvaro (Universitat Politècnica de Catalunya, 2010-07)
    Projecte/Treball Final de Carrera
    Accés obert
    Este estudio esta realizado para dar una visión global del mundo de las redes de sensores inalámbricas a partir de aquí WSN, y sus aplicaciones. Tras una breve introducción se describe el proceso de selección de una ...
  • Adaptive localization and tracking of objects in a sensor network 

    López Rodríguez, Adrian (Universitat Politècnica de Catalunya, 2014-12-18)
    Projecte/Treball Final de Carrera
    Accés obert
    [ANGLÈS] Wireless Sensor Networks (WSNs) are used to monitor physical or environmental conditions, and to pass their data through the network to a central location. These networks have applications in diverse areas including ...
  • A diffusion-based distributed EM algorithm for density estimation in wireless sensor networks 

    Silva Pereira, Silvana; López Valcarce, Roberto; Pagès Zamora, Alba Maria (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    We address the problem of distributed estimation of a parameter from a set of noisy observations collected by a sensor network, assuming that some sensors may be subject to data failures and report only noise. In such ...
  • A diffusion-based em algorithm for distributed estimation in unreliable sensor networks 

    Silva Pereira, Silvana; López Valcarce, Roberto; Pagès Zamora, Alba Maria (2013-01)
    Article
    Accés restringit per política de l'editorial
    We address the problem of distributed estimation of a parameter from a set of noisy observations collected by a sensor network, assuming that some sensors may be subject to data failures and report only noise. In such ...
  • A distributed energy-aware routing protocol for underwater wireless sensor networks 

    Domingo Aladrén, Mari Carmen (2011-04-01)
    Article
    Accés restringit per política de l'editorial
    The design of routing protocols for Underwater Wireless Sensor Networks (UWSNs) poses many challenges due to the intrinsic properties of underwater environments. In this paper we present DUCS (Distributed Underwater ...
  • Advancing the interoperability of ocean sensors. Workshop demostration at ocean innovation 2008 congress 

    Río Fernandez, Joaquín del; Mihai Toma, Daniel; Manuel Lázaro, Antonio (2008-12-01)
    Article
    Accés obert
    The aim of this project is to implement a smart sensor worldwide network based on IEEE 1451 family of standards which can provide multiple interoperable clients to access geospatial and sensor data for national local ...
  • Agitació tèrmica mitjançant ultrasons 

    Rodríguez Gómez, Juan Pablo (Universitat Politècnica de Catalunya, 2007-01)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    El que es pretén amb aquest projecte és deixar oberta una línia de treball i investigació sobre l’aplicació dels ultrasons en la humidificació i producció de vapor fred (boira). Es vol veure com evolucionen magnituds tals ...
  • A hybrid cooperative design for energy-efficient surveillance in wireless multimedia sensor networks 

    Alaei, Mohammad; Barceló Ordinas, José María (VDE Conference Publications, 2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In Wireless Multimedia Sensor Networks (WMSNs) the lifetime of battery-operated visual nodes is limited by their energy consumption, which is proportional to the energy required for sensing, processing, and transmitting ...
  • Almacenamiento en nodos de redes inalámbricas de sensores 

    Pérez Rodríguez, Iria (Universitat Politècnica de Catalunya, 2013-01-21)
    Projecte/Treball Final de Carrera
    Accés obert
    [ANGLÈS] The aim of this project is to store data inside a Wireless Sensor Network node, in order to transmit it when the conditions are favourable, using a certain hardware and software stack. This necessity comes from ...
  • A method for clustering and cooperation in wireless multimedia sensor networks 

    Alaei, Mohammad; Barceló Ordinas, José María (2010-04)
    Article
    Accés obert
    Wireless multimedia sensor nodes sense areas that are uncorrelated to the areas covered by radio neighbouring sensors. Thus, node clustering for coordinating multimedia sensing and processing cannot be based on classical ...
  • An alternative wearable tracking system based on a low-power wide-area network 

    Fernández García, Raúl; Gil Galí, Ignacio (2017-03-14)
    Article
    Accés obert
    This work presents an alternative wearable tracking system based on a low-power wide area network. A complete GPS receiver was integrated with a textile substrate, and the latitude and longitude coordinates were sent to ...
  • A new MPPT method for low-power solar energy harvesting 

    López Lapeña, Oscar; Penella López, María Teresa; Gasulla Forner, Manuel (2010-09)
    Article
    Accés obert
    This paper describes a new maximum-power-pointtracking (MPPT) method focused on low-power (< 1 W) photovoltaic (PV) panels. The static and dynamic performance is theoretically analyzed, and design criteria are provided. ...
  • An IoT sensor framework for smart offices 

    Alet Barcons, Bernat (Universitat Politècnica de Catalunya, 2016-02-03)
    Treball Final de Grau
    Accés restringit per acord de confidencialitat
    Realitzat a/amb:  Rijksuniversiteit te Groningen
  • Aplicación de la tecnología de radio cognitiva en redes de área corporal 

    Nuevo Boo, Ruben (Universitat Politècnica de Catalunya, 2017-01-17)
    Treball Final de Grau
    Accés obert
    For the past few years, a number of new wireless technologies have emerged, allowing users to access the Internet and a myriad of services through mobile devices such as smartphones, tablets, wearables..., Among others, ...
  • Applying OGC sensor web enablement to ocean observing systems 

    Toma, Daniel; Río Fernandez, Joaquín del; Martínez Padró, Enoc; Delory, Eric; Jirka, Simon; Pearlman, Jay S; Waldmann, Christoph (2016)
    Text en actes de congrés
    Accés obert
    The complexity of marine installations for ocean observing systems has grown significantly in recent years. In a network consisting of tens, hundreds or thousands of marine instruments, manual configuration and integration ...
  • Applying sensor web technology to marine sensor data 

    Jirka, Simon; Río Fernandez, Joaquín del; Toma, Daniel; Nüst, Daniel; Stasch, Christoph; Delory, Eric (2015)
    Text en actes de congrés
    Accés obert
  • A proxy design to leverage the interconnection of CoAP wireless sensor networks with web applications 

    Ludovici, Alessandro; Calveras Augé, Anna M. (2015-01-09)
    Article
    Accés obert
    In this paper, we present the design of a Constrained Application Protocol (CoAP) proxy able to interconnect Web applications based on Hypertext Transfer Protocol (HTTP) and WebSocket with CoAP based Wireless Sensor Networks. ...