Exploració per tema "Wireless sensor networks"
Ara es mostren els items 1-20 de 200
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A cluster head decision system for sensor networks using fuzzy logic and number of neighbor nodes
(Institute of Electrical and Electronics Engineers (IEEE), 2009)
Text en actes de congrés
Accés obertCluster formation and cluster head selection are important problems in sensor network applications and can drastically affect the network’s communication energy dissipation. However, the selection of cluster head is not ... -
A comprehensive method to taxonomize mechanical energy harvesting technologies
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialTraditional industry is experiencing a worldwide development with Industry 4.0. Wireless sensor networks (WSNs) have a main role in this revolution as an essential part of data acquisition. The way in which WSNs are powered ... -
A fuzzy-based cluster-head selection system for WSNs: a comparison study for static and mobile sensors
(IEEE Press. Institute of Electrical and Electronics Engineers, 2012)
Text en actes de congrés
Accés restringit per política de l'editorial -
A holistic approach to ZigBee performance enhancement for home automation networks
(2014-08-01)
Article
Accés obertWireless home automation networks are gaining importance for smart homes. In this ambit, ZigBee networks play an important role. The ZigBee specification defines a default set of protocol stack parameters and mechanisms ... -
A hybrid cooperative design for energy-efficient surveillance in wireless multimedia sensor networks
(VDE Conference Publications, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialIn 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 ... -
A method for clustering and cooperation in wireless multimedia sensor networks
(2010-04)
Article
Accés obertWireless 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 ... -
A new MPPT method for low-power solar energy harvesting
(2010-09)
Article
Accés obertThis 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. ... -
A practical approach for NLOS mitigation in location-aware networks
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper introduces a practical two-stage approach to achieve the mitigation of the Non Line Of Sight condition by using space-time diversity in timing-based mobile subscribers positioning systems. The first stage performs ... -
A protocol architecture for energy efficient and pervasive eHealth systems
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe design of new and more pervasive healthcare systems has been fostered by the increased expectancy of life in the coming years. In this field, distributed and networked wireless embedded systems, such as Wireless Sensor ... -
A simple and efficient MPPT method for low-power PV cells
(2014-01-01)
Article
Accés obertSmall-size PV cells have been used to power sensor nodes. These devices present limited computing resources and so low complexity methods have been used in order to extract the maximum power from the PV cells. Among them, ... -
A simulation system for routing efficiency in wireless sensor-actor networks: a case study for semi-automated architecture
(Institute of Electrical and Electronics Engineers (IEEE), 2008)
Text en actes de congrés
Accés obertWireless networks have become increasingly popular and advances in wireless communications and electronics have enabled the development of different kind of networks such as Mobile Ad-hoc Networks (MANETs), Wireless Sensor ... -
A simulation system for WSNs as a digital eco-system approach considering goodput metric
(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 ... -
A tool for rapid MAC protocols prototyping and designing for wireless sensor networks
(Universitat Politècnica de Catalunya, 2012-09-25)
Projecte Final de Màster Oficial
Accés obertWireless Sensor Networks (WSNs)consists of several resource constrained sensor nodes distributed over an specific geographical area. WSNs are typically energy constraint due to the fact the sensor nodes are battery ... -
A Topology Reorganization Scheme for Reliable Communication in Underwater Wireless Sensor Networks Affected by Shadow Zones
(2009-10-29)
Article
Accés obertEffective solutions should be devised to handle the effects of shadow zones in Underwater Wireless Sensor Networks (UWSNs). An adaptive topology reorganization scheme that maintains connectivity in multi-hop UWSNs affected ... -
A viability plan of a unit of research in applications of new telecommunications technologies
(Universitat Politècnica de Catalunya, 2009-06-30)
Projecte Final de Màster Oficial
Accés obert -
A ZigBee wireless sensor network compliant with the IEEE1451 standard
(2009)
Text en actes de congrés
Accés obertWireless sensor networks are becoming very attractive for monitoring and control applications with smart sensor nodes. We present an implementation of a ZigBee wireless sensor network compliant with the IEEE1451 standard ... -
Accuracy and performance tests of a wireless georeferenced noise sensor for mobile noise sampling
(2023)
Text en actes de congrés
Accés restringit per política de l'editorialWireless Sensor Networks (WSN) have been expanded due, among many other things, to the advances in technology and the cost reductions of electronic components, which allows to produce low-cost and low-power sensor nodes. ... -
Acoustic telemetry system for underwater sensors
(IEEE, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialThe 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 ... -
Adaptación de plataformas de sensores inalámbricas a la arquitectura de TinyOS
(Universitat Politècnica de Catalunya, 2010-07)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: Pontificia Universidad Católica de ChileEste 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 ... -
Aircraft wireless sensor network (WSN) testbed
(Universitat Politècnica de Catalunya, 2015-04-27)
Projecte/Treball Final de Carrera
Accés obert
Realitzat a/amb: TriaGnoSys[ANGLÈS] The objective of this thesis is to support the development of wireless sensor network (WSN) testbed in aircraft onboard network. This topic is currently having quite a lot of attention as airlines and aircraft ...