Now showing items 1-20 of 58

  • 3G access network dimensioning for isolated rural communities in developing countries 

    Olmo Alòs, Jaume del (Universitat Politècnica de Catalunya, 2013-12-18)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] Based on the definition of the access network planning architecture and the voice and data traffic evolution forecast, this document derives engineering rules for network dimensioning in rural areas. Network ...
  • A QoS-aware framework for traffic classificationin software-defined networks 

    Salvat Lozano, Josep Xavier (Universitat Politècnica de Catalunya, 2014-12-15)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    [ANGLÈS] How can we build a system for traffic classification so that different QoS levels can be identified? How can we analyse different network parameters and identify a specific QoS for every flow? The purp ose of ...
  • A survey of routing protocols for energy constrained ad hoc wireless networks 

    Vassileva Vesselinova, Natalia; Barceló Arroyo, Francisco (IEEE, 2007-12)
    Conference report
    Open Access
    In this survey we review energy-aware routing protocols for wireless multihop ad hoc networks and critically discuss the main results in this area. The classification presented is in no case unique but summarizes the chief ...
  • A system of scripts to increase the efficiency of disk provisioning in a SAN 

    Ramadan Delgado, Malek Mahmud (Universitat Politècnica de Catalunya, 2012-05-18)
    Master thesis
    Restricted access - author's decision
    [ANGLÈS] To improve the process of provisioning in a storage subdivision of T-systems Iberia that deals with a large client, which will in turn improve their performance rates, enhance error detection and increase workflow.
  • Analysis and reduction of the distortions induced by time-domain filtering techniques in network analyzers 

    Porrata-Dòria i Yagüe, Ramir de; Broquetas Ibars, Antoni; Martínez, Luís Fernando (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1998-08-31)
    Article
    Open Access
    The removal of isolation errors plays an essential role in the calibration process of radar scattering measurements. One of the most common techniques used for that purpose is time-domain filtering, also known as gating. ...
  • Anàlisi i proposta de desenvolupament de l'Anella Industrial com a plataforma d'intercanvi de serveis i aplicacions IT avançades 

    Cuadros Tallón, Javier (Universitat Politècnica de Catalunya, 2009-10-16)
    Bachelor thesis
    Open Access
  • Anàlisi i simulació de càrrega dels canals de control d'una xarxa TETRA 

    Orra Serra, Oriol (Universitat Politècnica de Catalunya, 2015-03-25)
    Master thesis (pre-Bologna period)
    Open Access
    [ENGLISH] The purpose of this project is to study the impact on short SDS (Short Data Service) messages network capacity. These messages, which are used to send AVL (Automatic Vehicle Location) vehicle tracking, are sent ...
  • Análisis Tecno-Económico del despliegue de redes móviles de banda ancha para servicios de seguridad pública y emergencias 

    Solano Cortada, Daniel; Carretero Alfaro, Javier (Universitat Politècnica de Catalunya, 2013-09-06)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] The aim of this project is to renew the technology used by public safety agencies. The mobile broadband will let to the public safety personnel to assist the society in both quicker and more effective way. Nowadays, ...
  • Capacity and delay of bacteria-based communication in nanonetworks 

    Mestres Sugrañes, Albert (Universitat Politècnica de Catalunya, 2012-02-10)
    Master thesis (pre-Bologna period)
    Open Access
    English: the objective is to perform a theoretical analysis of the capacity and the delay on flagellated bacteria communication.
  • Construction of a Radio Environment Map of TV White Spaces for Barcelona Metropolitan Area 

    Cervià Caballé, Martí (Universitat Politècnica de Catalunya, 2015-02)
    Bachelor thesis
    Open Access
    [ANGLÈS] This thesis covers the construction of a REM (Radio Environment Map) for TV-WS (TV white spaces) for the metropolitan area of Barcelona, and a GUI for accessing it. A REM is a key piece in the implementation of a ...
  • Contextual information in virtual collaboration systems beyond current standards 

    Carreras, Anna; Andrade, Maria Teresa; Masterton, Tim; Arachchi, Hemantha Kodikara; Barbosa, Vitor; Dogan, Safak; Delgado Mercè, Jaime; Kondoz, Ahmet M. (2009)
    Conference report
    Open Access
    Context-aware applications are fast becoming popular as a means of enriching users’ experiences in various multimedia content access and delivery scenarios. Nevertheless, the definition, identification, and representation ...
  • Cooperative signal amplification for molecular communication in nanonetworks. 

    Abadal Cavallé, Sergi (Universitat Politècnica de Catalunya, 2011-09-19)
    Master thesis
    Open Access
    English: Nanotechnology is enabling the development of devices in a scale ranging from a few to hundreds of nanometers. Communication between these devices greatly expands the possible applications, increasing the complexity ...
  • Cross-layer enhancement for WLAN systems based on a distributed queuing MAC protocol 

    Verikoukis, Christos; Alonso Zárate, Jesús; Kartsakli, Elli; Cateura, A; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2006-05-31)
    Conference lecture
    Restricted access - publisher's policy
    Cross-Layer optimization is an emerging research topic. This paper proposes two novel cross-layer mechanisms to be included in a WLAN system where a near-optimum distributed MAC protocol is used. Their performance in terms ...
  • Cross-layer enhancement for WLAN systems with heterogeneous traffic based on DQCA 

    Kartsakli, Elli; Cateura, A; Alonso Zárate, Jesús; Verikoukis, Christos; Alonso Zárate, Luis Gonzaga (Institute of Electrical and Electronics Engineers (IEEE), 2007-06-30)
    Conference lecture
    Restricted access - publisher's policy
    Voice transmission over WLAN and cross-layer optimization are emerging research topics. This paper proposes two novel cross-layer mechanisms for a WLAN system where the offered traffic is of mixed nature (voice and data) ...
  • Cross-layer optimization for wireless systems: an European research key challenge 

    Verikoukis, Christos; Alonso Zárate, Luis Gonzaga; Giamalis, Theofanis (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-07)
    Article
    Open Access
    Significant research efforts have been made recently in order to exploit the potential benefits to be gained from interaction between layers in wireless communications systems. As a consequence, crosslayer optimization ...
  • Cross-layer schedulling strategy for UMTS downlink enhancement 

    Ferrús Ferré, Ramón Antonio; Alonso Zárate, Luis Gonzaga; Umbert Juliana, Anna; Revés Ballesté, Xavier; Pérez Romero, Jordi; Casadevall Palacio, Fernando José (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2005-06)
    Article
    Open Access
    This article describes the benefits of including cross-layer information in the scheduling mechanism of a UMTS downlink channel. In particular, the information obtained from the fast power control algorithm is used to ...
  • Cross-talk effects on the Regenerator Allocation optimization 

    Marín Tordera, Eva; Masip Bruin, Xavier; Yannuzzi, Marcelo; Serral Gracià, René; Sánchez López, Sergio (2011)
    Conference report
    Open Access
    This paper studies the impact of considering crosstalk effects in the IA-RWA process and in the regenerator allocation algorithms. First of all, we evaluate if the regenerator allocation optimization is still useful when ...
  • Delay analysis of Push-to-Talk over Cellular (PoC) Service Solutions for Public Safety Communications over LTE Networks 

    Lu, Chengsui (Universitat Politècnica de Catalunya, 2012-08-27)
    Master thesis
    Open Access
    [ANGLÈS] In this master thesis, the concept of public safety communication solutions over modern commercial cellular systems is presented, and the delay analysis for Puch-to-Talk over Cellular (PoC) service is provided ...
  • Desenvolupament d’un sistema de transmissio sense fils basat en DQ 

    Bardina Fons, Oriol (Universitat Politècnica de Catalunya, 2014-05-29)
    Master thesis (pre-Bologna period)
    Open Access
    DQ is a high performance access protocol for wireless communications networks which reaches collision-free data transmissions by gathering the random access requests in a small time window and completely avoiding the ...
  • Design and Implementation of a control plane for a L2 virtualized network 

    Machado Calvo, Roberto (Universitat Politècnica de Catalunya, 2009-07-21)
    Master thesis
    Open Access