Now showing items 1-20 of 72

    • 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
      Covenantee:   Georgia Institute of Technology
      [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
      Covenantee:   Georgia Institute of Technology
      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; Souza, Vitor Barbosa Carlos de; 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 ...
    • Creation of a virtual overlay network with SDN and VXLAN 

      Lama Ruano, Fernando (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Open Access
      The developed project has consisted in the creation of a virtual overlay VXLAN (Virtual Extensible LAN) between several nodes using SDN (Software Defined Networks) and more specifically the RYU framework. The idea of VXLAN ...
    • 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 ...