Exploració per tema "Wireless sensor networks"
Ara es mostren els items 21-40 de 200
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An energy efficient protocol architecture for m-Health systems
(2014)
Text en actes de congrés
Accés restringit per política de l'editorialContemporary technologies as implemented in the field of health care have provided the everyday clinical practice with a plethora of tools to be used in various settings. However, from all established and emerging applications, ... -
An intelligent fuzzy-based cluster head selection system for wireless sensor networks and its performance evaluation
(Institute of Electrical and Electronics Engineers (IEEE), 2010)
Text en actes de congrés
Accés obertSensor networks supported by recent technological advances in low power wireless communications along with silicon integration of various functionalities are emerging as a critically important computer class that enable ... -
An intelligent fuzzy-based cluster head selection system for WSNs and its performance evaluation for D3N parameter
(Institute of Electrical and Electronics Engineers (IEEE), 2010)
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, selecting of the cluster head is not ... -
Application of Thermoelectric Generators for Low-Temperature-Gradient Energy Harvesting
(Multidisciplinary Digital Publishing Institute, 2023-02-17)
Article
Accés obertThermoelectric generators (TEGs) convert a temperature difference into useful direct current (DC) power. TEGs are solid-state semiconductor devices that are generating a lot of interest for energy harvesting purposes in ... -
Avaluació d'un sistema d'alimentació basat en energia solar per a nodes de xarxes de sensors sense fils
(Universitat Politècnica de Catalunya, 2014-06-03)
Projecte Final de Màster Oficial
Accés obertThis thesis provides an evaluation of a solar energy system employed as power supply for wireless sensor motes. For such purpose, it first gives an overview of the two most popular operating systems in Wireless Sensor ... -
Bluetooth Low Energy based on the nRF52840 USB dongle
(Universitat Politècnica de Catalunya, 2019-10-09)
Treball Final de Grau
Accés obertThe objective of this report is to explain the process of creating a system that receives data from a sensor, which is connected to a power source, and sends it to a computer without using wires. The technologies chosen ... -
Calibrating low-cost air quality sensors using multiple arrays of sensors
(Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés obertThe 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 ... -
Comunicación de parámetros ambientales mediante Xbee alimentado de forma autónoma con energía renovable
(Universitat Politècnica de Catalunya, 2016-07-11)
Treball Final de Grau
Accés restringit per decisió de l'autorEl objetivo de este proyecto es crear una comunicación del valor porcentual de luz solar y de temperatura incidente en un punto , de manera inalámbrica entre dos dispositivos, con el menor consumo posible. Dicho proyecto, ... -
Connectivity analysis in clustered wireless sensor networks powered by solar energy
(Institute of Electrical and Electronics Engineers (IEEE), 2018-04)
Article
Accés obertEmerging 5G communication paradigms, such as machine-type communication, have triggered an explosion in ad-hoc applications that require connectivity among the nodes of wireless networks. Ensuring a reliable network operation ... -
Connectivity analysis in wireless-powered sensor networks with battery-less devices
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThe emerging Internet of Things paradigm has triggered an explosion in ad-hoc applications that require connectivity among the nodes of wireless networks. However, the channel randomness and the random deployment of such ... -
Connectivity of large-scale WSNs in fading environments under different routing Mechanisms
(Institute of Electrical and Electronic Engineers, 2015-06-12)
Comunicació de congrés
Accés obertAs the number of nodes in wireless sensor networks (WSNs) increases, new challenges have to be faced in order to maintain their performance. A fundamental requirement of several applications is the correct transmission of ... -
Connectivity of large-scale WSNs in fading environments under different routing mechanisms
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialAs the number of nodes in wireless sensor networks (WSNs) increases, new challenges have to be faced in order to maintain their performance. A fundamental requirement of several applications is the correct transmission of ... -
Consensus in random WSNs with correlated symmetric links
(2011)
Comunicació de congrés
Accés restringit per política de l'editorialIn 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 ... -
Contiki applications for Z1 motes for 6LowPAN
(Universitat Politècnica de Catalunya, 2016-02-08)
Projecte/Treball Final de Carrera
Accés obertContiki application for the Z1 motes of Zolertia, using the protocol 6LowPAN -
Contribution to the development of a hypervisor in a virtualized mobile communication network
(Universitat Politècnica de Catalunya, 2017-07)
Projecte Final de Màster Oficial
Accés obertSoftware Defined Networking (SDN) and Network Function Virtualization (NFV) are two promising technologies that together provide a more efficient utilization of the network resources and a reduction of operational costs. ... -
Cost effective node deployment strategy for energy-balanced and delay-efficient data collection in wireless sensor networks
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés obertThe 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. ... -
Data relevance-aware dynamic sensing technique with battery lifetime guarantee for wireless sensor nodes
(Institute of Electrical and Electronics Engineers (IEEE), 2021)
Text en actes de congrés
Accés restringit per política de l'editorialSignificant effort has been devoted to the development of dynamic monitoring techniques to exploit the temporal correlation among observations with the intention of improving the energy efficiency in wireless sensor nodes. ... -
DCT-based air interface design for function computation
(Institute of Electrical and Electronics Engineers (IEEE), 2023-02-02)
Article
Accés obertWith the integration of communication and computing, it is expected that part of the computing is transferred to the transmitter side. In this paper we address the general problem of Frequency Modulation (FM) for function ... -
Delay-efficient MAC protocol with traffic differentiation and run-time parameter adaptation for energy-constrained wireless sensor networks
(2016-02-01)
Article
Accés obertThis 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, ... -
Desarrollo de un demostrador para evaluar técnicas Cross-Layer en sistemas de comunicaciones inalámbricos
(Universitat Politècnica de Catalunya, 2008-06-11)
Projecte/Treball Final de Carrera
Accés obertEste proyecto ha consistido en el desarrollo de una plataforma de pruebas (un demostrador), basado en el uso de unos módulos de transmisión-recepción con sensores incrustados (tecnología TELOS) llamados genéricamente ...