Exploració per tema "Xarxes locals sense fil Wi-Fi"

Ara es mostren els items 41-60 de 342

    • Ant colony optimization for multicasting/broadcasting in wireless ad-hoc networks 

      Hernández Pibernat, Hugo (Universitat Politècnica de Catalunya, 2008-07-09)
      Projecte Final de Màster Oficial
      Accés obert

    • Assessing the impact of coupling RTT and RSSI measurements in fingerprinting Wi-Fi indoor positioning 

      González Díaz, Néstor; Zola, Enrica Valeria; Martín Escalona, Israel (Association for Computing Machinery (ACM), 2023)
      Comunicació de congrés
      Accés obert
      The field of Indoor Positioning Systems (IPS) is rapidly expanding due to the increasing need for accurate indoor localization. This research delves into the fingerprinting technique, a commonly used method in IPS, and ...

    • Automatic Link Balancing Using Fuzzy Logic Control of Handover Parameter 

      d'Orey, Pedro M.; García Lozano, Mario; Ferreira, Michel (IEEE Press. Institute of Electrical and Electronics Engineers, 2010-09-26)
      Text en actes de congrés
      Accés obert

    • Avaluació de un mecanismo de agrupación de usuarios en redes Wi-Fi para IoT utilizando inteligencia artificial 

      López García, Alejandro (Universitat Politècnica de Catalunya, 2021-09-14)
      Treball Final de Grau
      Accés restringit per acord de confidencialitat

    • Avantprojecte d’una xarxa d’accés de fibra òptica fins la llar a Centelles 

      Polo Domínguez, Irene (Universitat Politècnica de Catalunya, 2009-09-10)
      Projecte/Treball Final de Carrera
      Accés obert
      Es presenta un anàlisis de l'estat del mercat de banda ampla i els diversos desplegaments de noves xarxes d'accés basades en fibra òptica tant a nivell nacional com internacional. A més es presenta una comparativa de ...

    • Bandwidth-Based Wake-Up Radio solution through IEEE 802.11 technology 

      López Aguilera, M. Elena; García Villegas, Eduard (Multidisciplinary Digital Publishing Institute (MDPI), 2021-11-16)
      Article
      Accés obert
      IEEE 802.11 consists of one of the most used wireless access technologies, which can be found in almost all consumer electronics devices available. Recently, Wake-up Radio (WuR) systems have emerged as a solution for ...

    • Barcelona, London, and Beijing free Wi-Fi hotspots 

      Bonzom, Magali (Universitat Politècnica de Catalunya, 2020-01-28)
      Projecte Final de Màster Oficial
      Accés obert
      This thesis is about how Barcelona, Beijing, and London set up free Wi-Fi hotspots, focusing on municipal Wi-Fi, to optimize the collection of data in order to answer their needs. The Critical Literature Review sums up ...

    • Beacons - serveis de proximitat: sistema de posicionament a interiors 

      Ariñez Soriano, Daniel (Universitat Politècnica de Catalunya, 2015-10-28)
      Treball Final de Grau
      Accés obert
      El projecte tracta sobre el posicionament en interiors utilitzant una combinació de les tecnologies WiFi i Bluetooth Low Energy combinades amb l'algorisme de fingerprint i Support Vector Machines.

    • Bit Error Combating Network Coding Techniques 

      Guri Hundertmark, Pau Bernat (Universitat Politècnica de Catalunya, 2010-06)
      Projecte/Treball Final de Carrera
      Accés obert
      The aim of this project is to propose a system that with less complexity than MIXIT could give better performance than Distributed Product Codes in media streaming over wireless networks.

    • Broadcast-enabled massive multicore architectures: a wireless RF approach 

      Abadal Cavallé, Sergi; Sheinman, Benny; Katz, Oded; Markish, Ofer; Elad, Danny; Fournier, Yvan; Roca, Damian; Hanzich, Mauricio; Houzeaux, Guillaume; Nemirovsky, Mario; Alarcón Cot, Eduardo José; Cabellos Aparicio, Alberto (2015-09)
      Article
      Accés obert
      Broadcast traditionally has been regarded as a prohibitive communication transaction in multiprocessor environments. Nowadays, such a constraint largely drives the design of architectures and algorithms all-pervasive in ...

    • Building hierarchical public key infrastructures in mobile ad-hoc networks 

      Satizábal Echavarría, Isabel Cristina; Forné Muñoz, Jorge; Hernández Serrano, Juan; Pegueroles Vallés, Josep R. (Springer, 2006)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Dynamism of mobile ad-hoc networks implies changing trust relationships among their nodes that can be established using peer-to-peer PKIs. Here, certification paths can be built although part of the infrastructure is ...

    • Cancelación Digital en un Sistema Full-Duplex operando bajo el estándar 802.11 

      Bocanegra Guerra, Carlos (Universitat Politècnica de Catalunya, 2015-05)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Northeastern University

    • Channel assignment algorithms for OSA-Enabled WLANs exploiting prioritization and spectrum heterogeneity 

      Novillo Parales, Francisco Vicente; Ferrús Ferré, Ramón Antonio (2012-04)
      Article
      Accés restringit per política de l'editorial
      Allowing WLANs to exploit opportunistic spectrum access (OSA) is a promising approach to alleviate spectrum congestion problems in overcrowded unlicensed ISM bands, especially in highly dense WLAN deployments. In this ...

    • Coexistence of a novel medium access control protocol for wireless ad hoc networks and the IEEE 802.11 

      Alonso Zárate, Jesús; Verikoukis, Christos; Kartsakli, Elli; Alonso Zárate, Luis Gonzaga (2010)
      Text en actes de congrés
      Accés obert

    • Cognitive control channels for the cooperation of opportunistic and composite wireless networks 

      Gebert, Jens; Georgakopoulos, Andreas; Stavroulaki, Vera; Tsagkaris, Kostas; Ferrús Ferré, Ramón Antonio; Demestichas, Panagiotis (2011)
      Text en actes de congrés
      Accés obert
      Opportunistic networks (ONs) are considered as coordinated extensions of a radio access network infrastructure, which are dynamically and temporarily created in an infrastructure-less manner in order to increase service ...

    • Cognitive resource management: for all wireless access layers 

      Marojevic, Vuk; Gómez Miguelez, Ismael; Gelonch Bosch, Antonio José (2012)
      Article
      Accés restringit per política de l'editorial

    • Collaborative informed gateway selection in large-scale and heterogeneous 

      Batbayar, Khulan; Dimogerontakis, Emmanouil; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Sadre, Ramin (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In wireless community access networks, clients tend to reach the Internet through multiple gateway nodes instead of a single default gateway. The mapping of gateways to clients should take into account the perception of ...

    • Community sharing of spare network capacity 

      Dimogerontakis, Emmanouil; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Ochoa, Sergio; Veiga, Luis (IEEE Press, 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In several community scenarios, people share benevolently their spare broadband Internet access connectivity with other people who cannot afford it. Although laudable, this sharing process can negatively affect the service ...

    • Comparative performance evaluation of IEEE 802.11v for positioning with time of arrival 

      Ciurana Adell, Marc; Barceló Arroyo, Francisco; Martín Escalona, Israel (2011-03)
      Article
      Accés restringit per política de l'editorial
      Time of Arrival (TOA) based techniques are expected to overcome performance limitations of existing WLAN positioning approaches. The upcoming IEEE 802.11v standard is expected to play a key role because it will include new ...

    • Comparison in the two clusters merging scenario between the IEEE 802.11p MAC protocol and STDMA 

      Cerezo Oliva, José María (Universitat Politècnica de Catalunya / Technische Universität Wien, 2012-07-24)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Technische Universität Wien
      [ANGLÈS] Comparison between the access function algorithm in the MAC layer in IEEE 802.11p, CSMA/CA, and the MAC protocol STDMA, in terms of delay and scalability in a concrete scenario where two clusters of vehicles move ...