Exploració per tema "Xarxes de sensors"

Ara es mostren els items 42-61 de 290

    • Calibrating low-cost air quality sensors using multiple arrays of sensors 

      Barceló Ordinas, José María; García Vidal, Jorge; Doudou, Messaoud; Rodrigo Muñoz, Santiago; Cerezo Llavero, Albert (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés obert
      The remarkable advances in sensing and communication technologies have introduced increasingly low-cost, smart and portable sensors that can be embedded everywhere and play an important role in environmental sensing ...

    • Collaborative beamforming schemes for wireless sensor networks with energy harvesting capabilities 

      Berbakov, Lazar (Universitat Politècnica de Catalunya, 2013-07-11)
      Tesi
      Accés obert
      In recent years, wireless sensor networks have attracted considerable attention in the research community. Their development, induced by technological advances in microelectronics, wireless networking and battery fabrication, ...

    • Consensus in random WSNs with correlated symmetric links 

      Silva Pereira, Silvana; Pagès Zamora, Alba Maria (2011)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this paper we study the convergence of consensus algorithms in wireless sensor networks with random topologies and instantaneous symmetric links which exist with different probabilities independently in time but correlated ...

    • Contribution to the publish/subscribe communication model for the development of ubiquitous services in wireless sensor networks 

      García Davis, Ernesto J. (Universitat Politècnica de Catalunya, 2019-06-19)
      Tesi
      Accés obert
      Advances in wireless technologies and the rapid development of integrated electronics have made wireless sensor networks (WSN) one of the key technologies of the Internet of Things (IoT). Thanks to the ability of these ...

    • Contributions to Distributed Spatial Compression in Wireless Sensor Networks 

      Pérez Trufero, Javier (Universitat Politècnica de Catalunya, 2010-07)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   University of Southern California
      This thesis presents several contributions in the field of distributed spatial compression inWireless Sensor Networks. First, since in most of the spatial compression schemes some nodes (raw nodes) need to broadcast their ...

    • Contributions to the performance evaluation and improvement of the IPv6 routing protocol for low-power and lossy networks 

      Kermajani, Hamidreza (Universitat Politècnica de Catalunya, 2014-09-03)
      Tesi
      Accés obert
      Wireless Sensor Networks (WSNs) have become increasingly important. These networks comprise sensor and actuator nodes that enable intelligent monitoring and control applications in a wide spectrum of environments including ...

    • Control of a heat flux sensor for the surface of the moon 

      LeitÃo Rodriguez, Eduardo E. (Universitat Politècnica de Catalunya, 2020-07)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor

    • Correcting the ADCS jitter induced blurring in small satellite imagery 

      Llaveria Godoy, David; Camps Carmona, Adriano José; Hyuk, Park (2020-09)
      Article
      Accés obert
      Earth Observation missions have increasingly demanding requirements, i.e., higher spatial resolutions and SNR, and lower revisit times, etc. High-resolution images have to be captured with precise pointing accuracy which ...

    • Cost effective node deployment strategy for energy-balanced and delay-efficient data collection in wireless sensor networks 

      Doudou, Messaoud; Djenouri, Djamel; Barceló Ordinas, José María; Badache, Nadjib (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés obert
      The real-world node deployment aspect is investigated, while considering cost minimization for resolving the energy hole around the sink, which represents a serious problem in typical sensor networks with uniform distribution. ...

    • Cost estimation study of a wireless sensor network irrigation system 

      Garcia Garcia, Adrian (Universitat Politècnica de Catalunya, 2015-09-21)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Technische Universität Chemnitz
      The first chapter represents an introduction to project management and its main elements to be managed. Then, as this project is focused on the costs, there is deep study of the existing cost estimation techniques for ...

    • Crosstalk characterization of fabrics elaborated with conductive yarns 

      Fernández García, Raúl; Gil Galí, Ignacio; Cano Casas, Francesc; Parés Sabatés, Ferran (2016)
      Text en actes de congrés
      Accés obert
      The electrical characterization of crosstalk of fabrics elaborated with conductive yarns is investigated. The impact of the source, victim and ground traces location is reported. The experimental results show that the ...

    • Data driven joint sensor fusion and regression based on geometric mean squared error 

      López Molina, Carlos Alejandro; Riba Sagarra, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2023)
      Comunicació de congrés
      Accés obert
      This paper explores the problem of estimating a temporal series measured from multiple independent sensors with unequal and stationary measurement errors with unknown variances. By formulating the data fusion problem as a ...

    • Data reconstruction applications for IoT air pollution sensor networks using graph signal processing 

      Ferrer Cid, Pau; Barceló Ordinas, José María; García Vidal, Jorge (Elsevier, 2022-09)
      Article
      Accés restringit per política de l'editorial
      The analysis of sensor networks for air pollution monitoring is challenging. Recent studies have demonstrated the ability to reconstruct the network measurements with graphs derived from the acquired data, thus describing ...

    • Deep learning-based adaptive compression and anomaly detection for smart B5G use cases operation 

      El Sayed, Ahmad Mohammad; Ruiz Ramírez, Marc; Harb, Hassan; Velasco Esteban, Luis Domingo (2023-01-16)
      Article
      Accés obert
      The evolution towards next-generation Beyond 5G (B5G) networks will require not only innovation in transport technologies but also the adoption of smarter, more efficient operations of the use cases that are foreseen to ...

    • Delay-efficient MAC protocol with traffic differentiation and run-time parameter adaptation for energy-constrained wireless sensor networks 

      Doudou, Messaoud; Djenouri, Diamel; Barceló Ordinas, José María; Badache, Nadjib (2016-02-01)
      Article
      Accés obert
      This paper presents an asynchronous cascading wake-up MAC protocol for heterogeneous traffic gathering in low-power wireless sensor networks. It jointly considers energy/delay optimization and switches between two modes, ...

    • Deployment and validation of a sensor network and autonomous driving on a ship 

      Estopa Gomez, Victor (Universitat Politècnica de Catalunya, 2022-10-24)
      Projecte Final de Màster Oficial
      Accés obert
      The personal automobile market goals are very clear; IoT, autonomous driving, comfort while driving¿ But those trends do not apply to all personal transportations systems. In this case, we are going to study the IoT and ...

    • Desarrollo de gemelos digitales de estructuras elásticas lineales sencillas 

      Lin, Jucheng (Universitat Politècnica de Catalunya, 2023-05-22)
      Treball Final de Grau
      Accés obert
      Las nuevas tecnologías, la digitalización y la transformación digital han transformado la forma enque vivimos. Los gemelos digitales son uno de los elementos clave de la Industria 4.0, una era enla que se utiliza la ...

    • Desarrollo de una red de sensores inalámbrica para la monitorización de la actividad física. 

      Carbonell Fages, Enric (Universitat Politècnica de Catalunya, 2015-01-27)
      Treball Final de Grau
      Accés obert
      Un auge en el sector tecnológico en estos últi mos años ha permitido la fabricación de dispositivos embebidos cada vez más pequeños, ligeros, de baja potencia y posiblemente el factor más ...

    • Desarrollo y Estudio del protocolo Observe para CoAP 

      Gimeno Gimenez, Javier (Universitat Politècnica de Catalunya, 2013-05)
      Projecte/Treball Final de Carrera
      Accés obert
      [ANGLÈS] In the context of the wireless sensor networks, an implementation of the observer pattern for CoAP is done. The implementation is done both for the nodes of the network and for a proxy that will allow to establish ...

    • Desenvolupament d'un sistema de suport per a pacients amb ELA 

      Mateo Navarro, Ramon (Universitat Politècnica de Catalunya, 2021-07-01)
      Treball Final de Grau
      Accés obert
      El proyecto tiene como objetivo ofrecer una solución de bajo coste a personas que tienen la enfermedad de la ELA. Este se centrará en la investigación y búsqueda para la adhesión de sensores a los pacientes, para que ...