Exploració per tema "QoS"

Ara es mostren els items 53-72 de 76

    • On centralized schedulers for 802.11e WLANs distribution versus grouping of resources allocation 

      Mur, D.C.; Pérez Costa, Xavier; Marchenko, V.; Sallent Ribes, Sebastián (2012-09)
      Article
      Accés restringit per política de l'editorial
      Wireless LAN is becoming a pervasive wireless access technology that can be found in almost any mobile device such as laptops, PDAs, portable game consoles and mobile phones. Each of these groups of devices have a different ...

    • On the quality of service enhancement in variable bit rate networks 

      Hesselbach Serra, Xavier (Institute of Electrical and Electronics Engineers (IEEE), 1998-04)
      Article
      Accés obert
      The transmission of multimedia contents through broadband networks is constrained by a certain Quality of Service (QoS) that must be guaranteed. Textual contents need few network resources and no real time constraints are ...

    • Perfomance analysis of prioritisation and QOS control mechanisms in lte for public safety communications 

      Sahin, Bektas (Universitat Politècnica de Catalunya, 2014-07-21)
      Projecte Final de Màster Oficial
      Accés obert
      Analysis of QoS mechanisms and prioritization in LTE environments with consideration of a public safety communication.

    • Performance evaluation of bandwidth aware routing protocols in urban scenarios for vehicular ad hoc networks 

      López Márquez, Nely Patricia (Universitat Politècnica de Catalunya, 2012-04-24)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] Some services are critical and require to guaranteeing a certain level of Quality of Service (QoS) on metrics such as low delay, packet loss, bandwidth among others. This issue is a big challenge in VANETs ...

    • Performance evaluation of selected transmission control protocol variants over a digital video broadcasting-second generation broadband satellite multimedia system with QoS 

      Rendón Morales, Elizabeth; Mata Diaz, Jorge; Alins Delgado, Juan José; Muñoz Tapia, José Luis; Esparza Martín, Óscar (2013-11-07)
      Article
      Accés restringit per política de l'editorial
      This paper presents an analysis of several Transmission Control Protocol (TCP) variants working over a digital video broadcasting-second generation (DVB-S2) satellite link with the support of the Differentiated Services ...

    • Performance improvement strategies for current and next generation Wi-Fi systems 

      Gatnau Sarret, Marta; Ashta, Jagjit Singh (Universitat Politècnica de Catalunya / Aalborg Universiteit, 2012-06-13)
      Projecte/Treball Final de Carrera
      Accés obert
      Realitzat a/amb:   Aalborg universitet / Nokia Networks
      [ANGLÈS] When we refer to wireless communications, Wi-Fi quickly comes to our minds despite that the first Wi-Fi standard appeared over 15 years ago. In these 15 years, the standard has evolved a lot, bringing high throughput ...

    • Plataforma per al monitoratge i l'explicació de violacions de clàusules de documents SLA 

      Rodríguez Navarro, Marc (Universitat Politècnica de Catalunya, 2014-01-14)
      Projecte/Treball Final de Carrera
      Accés obert
      Es proposa un model conceptual de referència d'anàlisi i monitoratge de qualitat de servei, i s'instancia amb SALMonADA, un sistema basat en serveis que notifica als clients de les violacions d'acords de nivell de servei ...

    • Provisioning multimedia wireless networks for better QoS: RRM strategies for 3G W-CDMA 

      Sallent Roig, Oriol; Pérez Romero, Jordi; Agustí Comes, Ramon; Casadevall Palacio, Fernando José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2003-02)
      Article
      Accés obert
      Third-generation mobile communication systems will bring a wide range of new services with different quality of service requirements and will open the ability to exploit radio resource management functions to guarantee a ...

    • Proyecto de interconexión 

      Borrás González, Raúl (Universitat Politècnica de Catalunya, 2007-02-23)
      Projecte/Treball Final de Carrera
      Accés obert
      Este proyecto se plantea con el objetivo de generar documentación para su aplicación en el bloque optativo de Intensificación en Redes Telemáticas del 3A de la titulación de Ingeniero Técnico de Telecomunicaciones, ...

    • QoS guarantee for wireless LAN with heterogeneous traffic 

      Alonso Zárate, Luis Gonzaga; Kartsakli, Elli; Alonso Zárate, Jesús; Verikoukis, Christos (2009)
      Text en actes de congrés
      Accés obert
      Distributed Queuing Collision Avoidance (DQCA) is an efficient MAC protocol designed for infrastructure Wireless LANs. In this paper, four algorithms are proposed that alter the FIFO scheduling order of DQCA in order to ...

    • QoS Multi-Spanning Tree for Optical Burst Switching 

      Triay Marquès, Joan; Cervelló Pastor, Cristina (IEEE, 2008-02)
      Comunicació de congrés
      Accés obert
      Optical Burst Switching (OBS) has been proposed as a future high-speed switching technology for Internet Protocol (IP) networks that may be able to efficiently utilize extremely high capacity links without the need for ...

    • Quality of network economics optimisation using service level agreement modelling 

      Santos Boada, Germán; Amazonas, José Roberto de Almeida; Solé Pareta, Josep (Wiley-Blackwell, 2016-02-09)
      Article
      Accés restringit per política de l'editorial
      This paper analyses the relationships between different service level agreement (SLA) components, that is, the different types of quality metrics employed by infrastructure and service providers. We propose that the quality ...

    • Quasi Isolation QoS Setups to Control MPSoC Contention in Integrated Software Architectures 

      Garcia Esteban, Sergio; Serrano Cases, Alejandro; Abella Ferrer, Jaume; Mezzetti, Enrico; Cazorla Almeida, Francisco Javier (Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2023)
      Comunicació de congrés
      Accés obert
      The use of integrated architectures, such as integrated modular avionics (IMA) in avionics, IMA-SP in space, and AUTOSAR in automotive, running on Multi-Processor System-on-Chip (MPSoC) is on the rise. Timing isolation ...

    • Real-time communication support for over-water wireless multi-hop networks 

      Gutierrez Gaitan, Miguel; Santos, Pedro M.; Almeida, Luis (Barcelona Supercomputing Center, 2020-05)
      Text en actes de congrés
      Accés obert
      The prospect scenario for wireless communications and networking technologies in aquatic environments is nowadays promising. The growing interest around this subject in the last decades has recently been accelerated ...

    • Runtime estimation of performance–power in CMPs under QoS constraints 

      Nishtala, Rajiv; Martorell Bofill, Xavier; Carpenter, Paul Matthew (Barcelona Supercomputing Center, 2015-05-05)
      Text en actes de congrés
      Accés obert
      One of the main challenges in data center systems is operating under certain Quality of Service (QoS) while minimizing power consumption. Increasingly, data centers are exploring and adopting heterogeneous server architectures ...

    • Sistema per a detectar o preveure violacions del SLA d'un servei en el núvol 

      Munuera Borrell, Adrià (Universitat Politècnica de Catalunya, 2019-07)
      Treball Final de Grau
      Accés obert
      Aquest document conté el Treball de fi de Grau del Grau en Enginyeria Informàtica de l'alumne Adrià Munuera Borrell, especialitzat en Computació en la FIB (Facultat d'Informàtica de Barcelona). En l'actualitat hi ha una ...

    • Software tool for passive real-time measurement of QoS parameters 

      Vlad, Mihai; Sandu, Ionut; Dobrota, Virgil; Trestian, Ionut; Domingo Pascual, Jordi (2006)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The paper presents the designing of a software tool for real-time measurement of the following quality of service parameters: one-way delay, average one-way delay, IP packet delay variation and average IP packet delay ...

    • Solving mesh router nodes placement problem in Wireless Mesh Networks by Tabu Search algorithm 

      Xhafa Xhafa, Fatos; Sánchez Lopez, Christian; Barolli, Admir; Takizawa, Makoto (2015-12-01)
      Article
      Accés obert
      Wireless Mesh Networks (WMNs) are an important networking paradigm that offer cost effective Internet connectivity. The performance and operability of WMNs depend, among other factors, on the placement of network nodes in ...

    • Study of QoS parameters in IP traffic exchange agreements on the Internet 

      Romero González, Carlos Eduardo (Universitat Politècnica de Catalunya, 2012-09-10)
      Projecte Final de Màster Oficial
      Accés obert
      [ANGLÈS] The Internet has experimented big changes since its conception, the interconnection between Internet Service Providers (ISPs) has evolved as the core of Internet. These interconnections have being growing and ...

    • The hipster approach for improving cloud system efficiency 

      Nishtala, Rajiv; Carpenter, Paul Matthew; Petrucci, Vinicius; Martorell Bofill, Xavier (2017-12-29)
      Article
      Accés restringit per política de l'editorial
      In 2013, U.S. data centers accounted for 2.2% of the country’s total electricity consumption, a figure that is projected to increase rapidly over the next decade. Many important data center workloads in cloud computing are ...