Exploració per tema "Wireless sensor networks"

Ara es mostren els items 93-112 de 200

    • Identification of critical nodes in wireless sensor network and provide methods to decrease their impacts on performance 

      Ojaghi Kahjogh, Behnam (Universitat Politècnica de Catalunya, 2017-07-17)
      Projecte Final de Màster Oficial
      Accés obert
      The 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 ...

    • IEEE1451 standard in wireless sensor networks using TinyOS message abstractions 

      Higuera Portilla, Jorge Eduardo; Polo Cantero, José (2009-02)
      Text en actes de congrés
      Accés obert
      This poster describes the IEEE1451 message structure of some commands and transactions using the TinyOS basic network abstractions. The network is composed by one base station namely Network Capable Application ...

    • Impact of mobile sink for wireless sensor networks considering different radio models and performance metrics 

      Yang, Tao; Mino, Gjergji; Barolli, Leonard; Xhafa Xhafa, Fatos; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Text en actes de congrés
      Accés obert
      In 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 

      Yang, Tao; Mino, Gjergji; Barolli, Leonard; Durresi, Arjan; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Text en actes de congrés
      Accés obert
      Sensor 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 ...

    • Implementació d'una aplicació per a gestionar xarxes Iknos (WSN) 

      Molsosa Guarch, Ignasi (Universitat Politècnica de Catalunya, 2016-01-20)
      Projecte/Treball Final de Carrera
      Accés obert
      En 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 sobre un nodo WSN de Contiki de un contenedor de métricas basado en el RFC6551 

      Rodríguez Álvarez, Mónica (Universitat Politècnica de Catalunya, 2016)
      Projecte/Treball Final de Carrera
      Accés obert
      Wireless 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 ...

    • Implementation and Performance Evaluation of IEEE 802.15.4 Protocol 

      Andreu Lozano, David (Universitat Politècnica de Catalunya, 2011-06-14)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Kungl. Tekniska högskolan. Skolan för elektro- och systemteknik
      English: In recent years, wireless sensor networks have attracted great interest of both academy and industry due to the wide range of contexts in which they can be used. Considering the large number of applications and ...

    • Improving learning automata-based routing in Wireless Sensor Networks 

      Ahvar, Ehsan; Yannuzzi, Marcelo; Serral Gracià, René; Marín Tordera, Eva; Masip Bruin, Xavier; Ahvar, Shohreh (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés obert
      Recent research in the field of Wireless Sensor Networks (WSNs) has demonstrated the advantages of using learning automata theory to steer the routing decisions made by the sensors in the network. These advantages include ...

    • Information exchange in randomly deployed dense WSNs with wireless energy harvesting capabilities 

      Mekikis, Prodromos Vasileios; Antonopoulos, Angelos; Kartsakli, Elli; Lalos, Aristeidis; Alonso Zárate, Luis Gonzaga; Verikoukis, Christos (2016-04-01)
      Article
      Accés obert
      As large-scale dense and often randomly deployed wireless sensor networks (WSNs) become widespread, local information exchange between colocated sets of nodes may play a significant role in handling the excessive traffic ...

    • Infrastructureless smart cities. Use cases and performance 

      Paradells Aspas, Josep; Gómez Montenegro, Carlos; Demirkol, Ilker Seyfettin; Oller Bosch, Joaquim; Catalán Cid, María Luisa (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Smart cities are a hot topic nowadays for several reasons. For city managers and citizens a smart city is a concept that should allow providing better services and/or with more efficiency. For technicians a smart city ...

    • Integrating asynchronous observations for mobile robot position tracking in cooperative environments 

      Corominas Murtra, Andreu; Mirats Tur, Josep Maria; Sanfeliu Cortés, Alberto (IEEE Press. Institute of Electrical and Electronics Engineers, 2009-10-11)
      Text en actes de congrés
      Accés obert
      This paper presents an asynchronous particle filter algorithm for mobile robot position tracking, taking into account time considerations when integrating observations being delayed or advanced from the prior estiamate ...

    • Integration of wsn in semantic web 

      Brands, Enzo (Universitat Politècnica de Catalunya, 2014-06-10)
      Projecte Final de Màster Oficial
      Accés obert
      The main goal of this master's thesis is to research the possibilities to integrate multi- media data coming from a Wireless Sensor Network in the Semantic Web. This research fits within the development of CommonSense, a ...

    • Interoperability and sensor communications in Help4Mood: Personal monitoring system to support the treatment of depression 

      Estevez Cruz, Soraya; Aragones, Carlos; Pérez Díaz de Cerio, David; Ruiz Boqué, Sílvia (IADIS Press, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Help4Mood aims to develop a platform to support the treatment of people with depression in their own home. Depression is one of the main causes of disability worldwide. For depression, it is essential to have a continuous ...

    • Introduction of MPR information for enhanced multi-cluster scheduling in LTE-A uplink 

      Lema Rosas, María Ángel; García Lozano, Mario; Ruiz Boqué, Sílvia; González González, David (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Against previous Long Term Evolution (LTE) re-leases, LTE-Advanced (LTE-A) allows the use of non-contiguous resource allocation in the uplink (UL). This feature leads to an increase in spectral efficiency thanks to link ...

    • IoT platform for measuring air pollution 

      Mahbubani, Rohit (Universitat Politécnica de Catalunya / Universitat Politècnica de Catalunya, 2019-06-27)
      Treball Final de Grau
      Accés obert
      La contaminación del aire es un problema medioambiental que preocupa a la mayoría de los ciudadanos. Es responsable de de 400.000 muertes prematuras cada año y causa un daño considerable a los recursos naturales y medio ...

    • IST-033914-WINSOC: D4.4 System level network performance evaluation 

      de Marinis, Enrico; Pagès Zamora, Alba Maria; Silva Pereira, Silvana; Yovanof, Gregory S.; Pediaditaki, Dimosthenis; Hasler, Martin; Alireza, Khadivi; Leonidas, Georgopoulos (2009-04-17)
      Report de recerca
      Accés restringit per acord de confidencialitat
      This document constitutes the final outcome of the activities carried out in the WINSOC WP4, along with the interactions of this WP with WP3 and WP2. Although one objective of WP4 is to provide indications to the project ...

    • Joint power-QoS control scheme for energy harvesting body sensor nodes 

      Ibarra, Ernesto; Antonopoulos, Angelos; Kartsakli, Elli; Rodrigues, Joel; Verikoukis, Christos (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, we aim at the optimal use of the scarce energy collected by a node powered by human energy harvesting in order to improve the provided Quality of Service (QoS). To achieve this goal, we have developed a ...

    • Localizability testing for wireless sensor networks localization algorithm 

      Lineo Hurtado, Iker (Universitat Politècnica de Catalunya, 2015-09-18)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   Technische Universität Chemnitz
      The main goal of this bachelor thesis is to study different types of network deployments in Wireless Sensor Networks and improve one existing deployment, providing new enhancements and new concepts trying to reduce as much ...

    • Localización de nodos dentro de una red inalámbrica de sensores 

      Herrero García, Alberto (Universitat Politècnica de Catalunya, 2009-06-23)
      Treball Final de Grau
      Accés obert

    • Long-term continuous ambulatory ECG monitor with Beat-to-Beat Heart Rate Measurement in Real Time using ESP32 

      Martínez Suárez, Frank; García Limón, José Alberto; Rivera Córdova, Dalila; Flores Nuñez, Laura; Casas Piedrafita, Óscar; Alvarado Serrano, Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2022)
      Text en actes de congrés
      Accés obert
      This work presents a long-term continuous ambulatory ECG monitor for simultaneous acquisition and storage of leads DI, aVF, and V2, and beat-to-beat R wave detection using wavelet transform for heart rate measurement in ...