Now showing items 1-20 of 92

  • A centrality-based topology control protocol for wireless mesh networks 

    Vázquez Rodas, Andrés; Cruz Llopis, Luis Javier de la (Elsevier, 2015-01-01)
    Article
    Open Access
    Nodes in wireless multi-hop networks establish links with their neighbors, which are used for data transmission. In general, in this kind of networks every node has the possibility of acting as a router, forwarding the ...
  • Adaptive optics without wave-front sensor using the APHEFIS (Adaptive Optics by Phase Estimation from Focal Intensity Speckles) algorithm 

    Muñoz Fuentes, Manuel (Universitat Politècnica de Catalunya, 2012-07-19)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] Compensation of the distorsions introduced to the optical wavefronts by the atmosphere using the algorithm APHEFIS, developed by Dr. Dirk Giggenbach.
  • Alternatives for indoor location estimation on uncoordinated environments 

    Gorricho Moreno, Juan Luis; Cotrina Navau, Josep (2011)
    Conference report
    Restricted access - publisher's policy
    Approaches based on signal-strength measurements are at present the most popular on indoor location due to their reasonable accuracy and cost effective deployment. In this paper, we present an outlook of our research on ...
  • A mechanism to electrically enlarge the ground plane of handset antennas: A bandwidth enhancement technique 

    Anguera, Jaume; Andújar Linares, Aurora; Puente Baliarda, Carles (2011-07)
    Article
    Restricted access - publisher's policy
    There is a need of developing new techniques for enhancing the bandwidth of handset antennas without increasing the antenna volume in order to incorporate more frequency bands into the cell phones. The technique to enhance ...
  • Análisis del sincronismo de portadora mediante series de Volterra 

    Agustí Comes, Ramon; Junyent Giralt, Gabriel (1980)
    Conference report
    Open Access
    Computing the exact carrier phase-jitter delivered from the recovery circuit in a QPSK-TDMA satellite system is cumbersome and has not been sufficiently investigated due to the analytical difficulties with the non linearities. ...
  • Analysis of techniques for traffic optimization over satellite backhauling links 

    González Polo, Alvaro (Universitat Politècnica de Catalunya, 2013-10-21)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] In certain situations the operation of mobile operator infrastructure can be affected by natural disasters such as hurricanes, fires or earthquakes. This fact hinders optimum coordination of rescue actions and ...
  • Analysis of the NB-IoT technology towards massive machine type communication 

    Serra i Lidón, Pol (Universitat Politècnica de Catalunya, 2018-02)
    Bachelor thesis
    12 months embargo
    Covenantee:  Università degli studi di Roma "La Sapienza"
    The Internet of Things (IoT), is going to redefine the way people interact with each other and with the objects that surround them. Within the IoT scope, LPWA radio technologies have emerged as a solution for the design ...
  • An analytical model for multi-tenant radio access networks supporting guaranteed bit rate services 

    Vilà Muñoz, Irene; Sallent Roig, José Oriol; Umbert Juliana, Anna; Pérez Romero, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
    Article
    Open Access
    Network slicing is a key feature of forthcoming fifth generation (5G) systems to facilitate the partitioning of the network into multiple logical networks customized according to different business and application needs. ...
  • A practical approach to the operation of telecommunication services driven by the TMF eTOM Framework 

    Jiejin, Hou (Universitat Politècnica de Catalunya, 2009-09-04)
    Master thesis
    Open Access
    Nowadays, the gap between data communications and telecommunications disappears rapidly, which leads to augment of the complexity and size of supporting networks. This calls for the software developers to embrace a new ...
  • A reputation-based scheme for announcement messages in vehicular networks 

    Santos Amandi, Jaime (Universitat Politècnica de Catalunya, 2011-09-08)
    Master thesis
    Open Access
    English: Vehicular Ad-Hoc Networks (VANETs) are shaping up as the next step to provide information and safety services to vehicles. These networks are characterized for being variable in terms of connectivity and delay due ...
  • ASCETiC: adapting service lifeCycle towards efficienT clouds 

    Juan Ferrer, Ana; Garcia Perez, David; Agiatzidou, Eleni; Lordan Gomis, Francesc-Josep; Ejarque, Jorge; Sirvent, Raul; Badia Sala, Rosa Maria; Guitart Fernández, Jordi; Ortiz, David; Macías Lloret, Mario; Deprez, Jean-Christophe; Ponsard, Christophe; Temporale, Christian; Panuccio, Pasquale; Sommacampagna, Davide; Blasi, Lorenzo; Djemame, Karim; Armstrong, Django; Kammer, Michael (SCITEPRESS, 2014-04)
    Part of book or chapter of book
    Restricted access - publisher's policy
    Reducing energy consumption is increasingly gaining attention in the area of Cloud computing, as means to reduce costs and improve corporate sustainability image. ASCETiC is focused on providing novel methods and tools to ...
  • A Spectrum selection framework for opportunistic networks 

    Moessner, Klaus; Pérez Romero, Jordi; Sallent Roig, José Oriol; Bouali, Faouzi; Sarvanko, Heli; Mustonen, Miia; Matinmikko, Marja; Lee, Haeyoung; Vahid, Seiamak (IIMC International Information Management Corporation Ltd, 2012)
    Conference lecture
    Open Access
    This paper presents a framework for including cognitive management functionalities in the spectrum selection process for Opportunistic Networks (ONs).The framework is based on a decision making functionality interacting ...
  • Automated issue detection in operational ATN/VDL mode 2 Networks 

    Altisent Álvarez, Francesc (Universitat Politècnica de Catalunya, 2009-07)
    Master thesis
    Restricted access - confidentiality agreement
  • Autonomous receiver: symbol-rate and modulation classification algorithms 

    Blasco Moreno, Pol (Universitat Politècnica de Catalunya, 2009-03-04)
    Master thesis (pre-Bologna period)
    Open Access
  • Bus aviónico de comunicación para simulador de cabina DC9 

    Paz Gomez, Francisco (Universitat Politècnica de Catalunya, 2014-07-17)
    Master thesis (pre-Bologna period)
    Open Access
    The aims of this project are the design of a communication bus that allows connection between a flight simulator and a real McDonnell Douglas DC9´s cockpit. This cockpit is located on the "Illa dels Banyols" High School ...
  • Calidad en el servicio de las operadoras de Telecomunicaciones en su red fija 

    García Vernet, Joaquín Antonio (Universitat Politècnica de Catalunya, 2017-03)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    Accomplishment of a study on the quality the different operators. Systems that have someone of these operators to control and to manage your ratios of quality. Offer of indicators to following for the improvement the ...
  • Capacity analysis of index modulations over spatial, polarization and frequency dimensions 

    Henarejos, Pol; Pérez Neira, Ana Isabel (2017-08-23)
    Article
    Open Access
    IEEE Determining the capacity of a modulation scheme is a fundamental topic of interest. Index Modulations (IM), such as Spatial Modulation (SMod), Polarized Modulation (PMod) or Frequency Index Modulation (FMod), are ...
  • Demonstrating communication services based on autonomic self-organization 

    Bernadas Zurdo, Albano (Universitat Politècnica de Catalunya, 2013-12)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] This thesis analyses the applicability of autonomic and self-organization capabilities in the execution of ICT services in distributed environments. Autonomicity is one of the key technologies able to address such ...
  • Deploying and testing of central office re-architected as a datacenter (CORD) 

    Rins Lozano, Xavier (Universitat Politècnica de Catalunya, 2018-06-22)
    Bachelor thesis
    Open Access
    During the last years, data traffic on the Internet has increased dramatically (100% increases are reported in the last 8 years). Therefore, the architecture of access networks based on xDSL and fiber have been meeting the ...
  • Desarrollo de recursos relacionados con las Tecnologías de la Información y la Comunicación en el ámbito universitario de Etiopía: el caso de la Wollo University 

    Berdún Peñato, Jesús (Universitat Politècnica de Catalunya, 2011-06-07)
    Master thesis (pre-Bologna period)
    Open Access
    El present Projecte Final de Carrera es basa en el desenvolupament d'infraestructura i serveis per a la millora dels recursos relacionats amb les Tecnologies de la Informació i la Comunicació (TIC) en l'àmbit universitari. ...