Exploració per tema "IEEE 802.11 (Norma)"

Ara es mostren els items 21-40 de 50

    • Evaluación de un sistema de posicionamiento pasivo basado en IEEE 802.11 en zonas sin cobertura 2-way TOA 

      Malpartida Tablado, Marta (Universitat Politècnica de Catalunya, 2012-07-02)
      Projecte/Treball Final de Carrera
      Accés obert
      En este proyecto se evalúa el comportamiento del algoritmo passive-TDOA en zonas de oscuridad, es decir en aquellas zonas en las que no es posible la localización del usuario utilizando el sistema 2-way TOA, al disponer ...

    • Evaluation of IEEE 802.11 coexistence in WLAN deployments 

      López Aguilera, M. Elena; García Villegas, Eduard; Casademont Serra, Jordi (Springer, 2017-06-17)
      Article
      Accés obert
      Wi-Fi has become a successful technology since the publication of its first WLAN standard due to continuous advances and updates while remaining always backwards compatible. Backwards compatibility among subsequent standards ...

    • Feasibility analysis on combining short range radios with wireless LAN mesh networking for ubiquitous patient monitoring 

      Herrer Vazquez, Manel (Universitat Politècnica de Catalunya, 2009-05)
      Projecte/Treball Final de Carrera
      Accés obert
      En este proyecto se analiza la viabilidad de combinar el estándar IEEE 802.11s, que define los parámetros básicos de las redes malladas WLAN con el estándar IEEE 802.15.4, pensado para redes WPAN (redes inalámbricas ...

    • Frequency management in a campus-wide Wi-Fi deployment 

      Mengual Pérez, Ester (Universitat Politècnica de Catalunya, 2013-02-18)
      Projecte Final de Màster Oficial
      Accés obert
      Over the past years, Internet is spreading more and more. And not only in home devices, but also in other personal devices thus producing a collective mobile lifestyle. At the beginning of its rise, cable solution was the ...

    • Herramientas de simulación de WLANs para prácticas académicas 

      Cruz Torres, Yoel Jose (Universitat Politècnica de Catalunya, 2022-02-07)
      Treball Final de Grau
      Accés obert
      This work consists of finding a software simulator that allows the study of WLAN (Wireless Local Area Network) networks based on the 802.11 standard. To this end, it was decided to analyse the suitability of the Cisco ...

    • IEEE 802.11mc ranging performance in a real NLOS environment 

      Zola, Enrica Valeria; Martín Escalona, Israel (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      Since IEEE 802.11 defined a couple of enhancements that allow accurate time measurements in COTS Wi-Fi devices, the possibility of achieving precise low-cost distance estimations in Wi-Fi has become a reality. However, ...

    • IEEE 802.11s Analysis And Simulation 

      Alfonso Delgado, Diego (Universitat Politècnica de Catalunya, 2015-02-16)
      Treball Final de Grau
      Accés obert
      [ANGLÈS] Simulation of wifi networks using ieee802.11s to collect data and help to develop this new standard.

    • Impacto de mecanismos de seguridad en el funcionamiento de sensores IEEE802.15.4 

      Tripp Barba, Carolina (Universitat Politècnica de Catalunya, 2009-05-07)
      Projecte Final de Màster Oficial
      Accés obert

    • Implementació d'un sistema de wake-up radio basat en Wi-Fi 

      Jerez Torres, Joan (Universitat Politècnica de Catalunya, 2018-07-09)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Implementación de técnicas de Channel Surfing para Redes Inalámbricas de Sensores 

      Silva Campello, Cristiam Da (Universitat Politècnica de Catalunya, 2009-06)
      Projecte/Treball Final de Carrera
      Accés obert
      En el presente trabajo se estudia el problema de la interferencia en las redes inalámbricas específicamente en el caso de las RIS que operan bajo el estándar IEEE 802.15.4 y se propone una solución basada en técnicas de ...

    • Implementación de un modelo de canal inalámbrico para redes 802.11 bajo el simulador ns-2 

      Sánchez Lorente, Olga (Universitat Politècnica de Catalunya, 2005-09)
      Projecte/Treball Final de Carrera
      Accés obert
      Las redes inalámbricas se presentan como una alternativa y a la vez como un complemento de las redes cableadas tradicionales. Para estudiar, comprender y mejorar el funcionamiento de las redes inalámbricas se utilizan ...

    • Implementación de un sistema IEEE 802.11 de monitorización y análisis de datos de usuarios móviles 

      González Trastoy, Alberto (Universitat Politècnica de Catalunya, 2015-06)
      Projecte/Treball Final de Carrera
      Accés restringit per decisió de l'autor
      The IEEE 802.11 protocol is becoming one of the most used data transmission protocols in LAN networks. This is mainly due to the benefits it offers such as the simplicity of being wireless or the high bitrate transmission. ...

    • Implementation and Evaluation of the Enhanced Header Compression (IPHC) according to 6LoWPAN Network 

      Ludovici, Alessandro (Universitat Politècnica de Catalunya, 2009-07-08)
      Projecte/Treball Final de Carrera
      Accés obert
      6LoWPAN defines how to carry Ipv6 packet over IEEE 802.15.4 low power wireless or sensor networks. Limited bandwidth, memory and energy resources require a careful application of Ipv6 in a LoWPAN network. The aim is to ...

    • 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 ...

    • Linux-based measuring platform for time-based location observables in IEEE 802.11 networks 

      Martín Escalona, Israel; Barceló Arroyo, Francisco; Zola, Enrica Valeria (University of Bern, 2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Positioning has been a hot topic in research for several years. GPS is accepted as a global solution for positioning outdoors, but indoor positioning still remains an open issue. Time-based multilateration techniques are ...

    • Performance analysis of V2X technologies 802.11p and LTE-PC5 

      Pons Serra, Adrià (Universitat Politècnica de Catalunya, 2023-02-10)
      Projecte Final de Màster Oficial
      Accés obert
      Nowadays, Vehicular-to-Everything (V2X) communications are becoming an essential element to improve safe driving conditions and autonomous driving. This thesis presents a comparison of two V2X communication technologies: ...

    • Performance assessment of the Android 12 positioning capabilities 

      Corrêa Oliveira, Diogo (Universitat Politècnica de Catalunya, 2023-05-29)
      Projecte Final de Màster Oficial
      Accés restringit per acord de confidencialitat
      The growth in interest in a wide range of different applications leveraged by the IoT created a demand for accurate positioning in indoor scenarios, where Global Navigation Satellite System (GNSS) techniques are known to ...

    • Performance comparison of a platooning scenorio using the IEEE 802.11p 

      Ali, Nawaz (Universitat Politècnica de Catalunya, 2018-07-10)
      Projecte Final de Màster Oficial
      Accés obert
      There has been much technological advancement in the wireless communic ation in the recent past for the intelligent transportation systems among all Dedicated Short - Range Communication or DSRC or Wireless Access for ...

    • Performance evaluation of a cooperative scheme for wireless networks 

      Alonso Zárate, Jesús; Gómez, J; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga; Pérez Neira, Ana Isabel (Institute of Electrical and Electronics Engineers (IEEE), 2006-09-30)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      It has been shown that the cooperation among nodes can improve the performance of a network under certain considerations. So far, research focus has been mainly put on cooperation and not on the coordination required to ...

    • Performance of IEE 802.15.4 Mac layer for lab & field test for high speed train 

      Reznik Milstein, Michel (Universitat Politècnica de Catalunya, 2009-02-18)
      Projecte Final de Màster Oficial
      Accés obert
      Several proposals are now in research and development for wireless sensor networks(WSN) to apply on railway systems for high speed lanes and others slow and medium speed systems, some are working between communications ...