Exploració per tema "Xarxes de sensors"
Ara es mostren els items 120-139 de 289
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Game theory for energy efficiency in wireless sensor networks: Latest trends
(2015-08-01)
Article
Accés restringit per política de l'editorialIn the area of Wireless Sensor Networks (WSNs), improving energy efficiency and network lifetime is one of the most important and challenging issues. Most of the considered WSNs are formed by nodes with limited resources, ... -
Game theory framework for MAC parameter optimization in energy-delay constrained sensor networks
(2016-05)
Article
Accés obertOptimizing energy consumption and end-to-end (e2e) packet delay in energy-constrained, delay-sensitive wireless sensor networks is a conflicting multiobjective optimization problem. We investigate the problem from a game ... -
Governância da cidade e redes sensoriais: cidadãos, sensores e cidadãos-sensores
(Department of Civil Engineering of the University of Coimbra and e-GEO, Research Center in Geography and Regional Planning of the Faculty of Social Sciences and Humanities of the Nova University of Lisbon, 2011-10)
Text en actes de congrés
Accés obert -
Graph learning techniques using structured data for IoT air pollution monitoring platforms
(Institute of Electrical and Electronics Engineers (IEEE), 2021-09-01)
Article
Accés obertExisting air pollution monitoring networks use reference stations as the main nodes. The addition of low-cost sensors calibrated in-situ with machine learning techniques allows the creation of heterogeneous air pollution ... -
Grid sequence detector based on a stationary reference frame
(2010-06)
Article
Accés obertThis paper proposes a new three-phase positive sequence detector. The scheme is based on a stationary reference frame and a Moving Average Filter (MAF) that guarantees the complete cancellation of harmonics and grid ... -
Hacia la convergencia de las redes inalámbricas de sensores con IEEE 1451
(2008-06)
Article
Accés restringit per política de l'editorialEl mercado mundial de sensores es muy diverso y se extiende ampliamente, con diversos dispositivos que incluyen la detección de variables mecánicas, eléctricas, térmicas, magnéticas, químicas y radiantes. Los avances en ... -
Harmonisation and dissemination of TSG data from IEO research vessels
(SARTI, 2018)
Article
Accés obertAdvances in the harmonisation and dissemination of underway data from research vessels in the Spanish Institute of Oceanography (IEO) fleets will be presented. -
Home automation sensor network with Web 2.0 interface
(Universitat Politècnica de Catalunya, 2012-05-15)
Projecte Final de Màster Oficial
Accés obertThe project departs from a final project done before, dedicated to the configuration of a wireless sensor network to measure temperature and send the data to the gateway using and designed message forwarding protocol. The ... -
Hybrid time synchronization for Underwater Sensor Networks
(2015-09-30)
Article
Accés obertTime synchronization is a critical part of distributed applications over a sensor network. In this work we investigate time synchronization problems over UWSN deployed in shallow water, taking into account all main ... -
Hybrid time synchronization for Underwater Sensor Networks
(2014)
Comunicació de congrés
Accés obertTime synchronization is an important part of distributed applications over a sensor network. In this work we investigate time synchronization problems over a shallow UWSN, taking into account all main communication challenges ... -
ICES. 2020. Working Group on Nephrops Surveys (WGNEPS; outputs from 2019). ICES Scientific Reports
(2020)
Report de recerca
Accés obertThe Working Group on Nephrops Surveys (WGNEPS) is the international coordination group for Nephrops underwater television and trawl surveys within ICES. This report summarizes the national contributions on the results of ... -
Identification of critical nodes in wireless sensor network and provide methods to decrease their impacts on performance
(Universitat Politècnica de Catalunya, 2017-07-17)
Projecte Final de Màster Oficial
Accés obertThe technological improvements in hardware and extensive standardization efforts in software development allow Wireless Sensor Networks (WSN) to be employed more widely and extend its application areas. The main challenge ... -
Impact of mobile sink for wireless sensor networks considering different radio models and performance metrics
(Institute of Electrical and Electronics Engineers (IEEE), 2010)
Text en actes de congrés
Accés obertIn this work, we investigate how WSN performs in the case when sink node moves using different radio models and metrics. We consider routing efficiency, delay and number of received packet metrics to evaluate the performance ... -
Impact of mobile sink for wireless sensor networks considering goodput and routing efficiency metrics
(Institute of Electrical and Electronics Engineers (IEEE), 2010)
Text en actes de congrés
Accés obertSensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. The sensors themselves ... -
Impact of mobile transmitter sources on radio frequency energy harvesting
(Universitat Politècnica de Catalunya, 2012-09-05)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: Northeastern University[ANGLÈS] Wireless energy harvesting sensors networks constitute a new paradigm, where the motes deployed in the field are no longer constrained by the limited battery resource, but are able to recharge themselves through ... -
Implementació d'una aplicació per a gestionar xarxes Iknos (WSN)
(Universitat Politècnica de Catalunya, 2016-01-20)
Projecte/Treball Final de Carrera
Accés obertEn aquest projecte s'explica com s'ha dissenyat i implementat un sistema de gestió de xarxes Iknos, d'acord amb els requeriments donats per l'empresa que fabrica i comercialitza els dispositius Iknos. -
Implementación de una red de sensores inalambricos (WSN) para el Internet de las cosas (IoT) utilizando comunicación 6LoWPAN con nodos con microcontrolador ARM de bajo consumo.
(Universitat Politècnica de Catalunya, 2021-02-15)
Treball Final de Grau
Accés obertNowadays, we are surrounded by electronic devices that make our routine easier and help us in our daily tasks. These devices, every day, are more complex and contribute more information and better management of things. ... -
Implementación de una solución domótica basada en sensores
(Universitat Politècnica de Catalunya, 2009-07-29)
Treball Final de Grau
Accés obert -
Implementación sobre un nodo WSN de Contiki de un contenedor de métricas basado en el RFC6551
(Universitat Politècnica de Catalunya, 2016)
Projecte/Treball Final de Carrera
Accés obertWireless sensor networks (WSN) combine the capability of environment testing and creation of multi-hop networks to send collected data. These networks have lately grown in importance in many fields, with a wide range of ... -
Implementación y validación del protocolo SPIN para redes de sensores
(Universitat Politècnica de Catalunya, 2008-06-06)
Projecte/Treball Final de Carrera
Accés restringit per decisió de l'autorEste proyecto describe en primer lugar la implementación del protocolo SPIN para el sistema operativo que incorporan los sensores tipo Telos-B, Tinyos-2. El protocolo SPIN, parte con la misión de ahorrar transmisiones ...