Now showing items 21-40 of 137

  • A Programmable UWB-IR Wireless Sensor Node Prototype, Using the Intel WISP Platform 

    Boixadera Planas, Ramon (Universitat Politècnica de Catalunya, 2010-12-15)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Kungliga Tekniska högskolan
    English: Remote sensing and measuring is becoming more important with accelerating advances in technology. The ability to process large amounts of data using the internet and advanced digital signal processing techniques ...
  • Asymptotic and finite user PER analysis of successive interference cancellation in DS-CDMA 

    Sala Álvarez, José; Villares Piera, Nemesio Javier; Rey Micolau, Francesc (2011-11)
    Article
    Restricted access - publisher's policy
    An expression is derived for the average Packet Error Rate (PER) of a Successive Interference Canceller (SIC) for DS-CDMA when the number of users asymptotically tends to infinity. The asymptotic probability density function ...
  • 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
  • Bandwidth extension of narrowband speech 

    Expósito Pérez, Miquel; Salavedra Molí, Josep (Universidad Politécnica de Valencia, 2014)
    Conference report
    Open Access
    Recently, 4G mobile phone systems have been designed to process wideband speech signals whose sampling frequency is 16 kHz. However, most part of mobile and classical phone network, and current 3G mobile phones, still ...
  • Caracterización de un equipo de usuario mediante técnicas de fingerprinting 

    García Carrasco, José Manuel (Universitat Politècnica de Catalunya, 2005-01)
    Master thesis (pre-Bologna period)
    Open Access
  • Carrier phase synchronisation scheme for very long baseline coherent arrays 

    Merlano Duncan, Juan Carlos; Mallorquí Franquet, Jordi Joan; López Dekker, Francisco J. (Institution of Electrical Engineers, 2012-07-19)
    Article
    Restricted access - publisher's policy
    Proposed is a new carrier phase synchronisation scheme used to provide a stable phase reference to a very distant station. Channel induced phase fluctuations are characterised and compensated for with a round-trip loop ...
  • Casc per a personal de serveis d'emergència controlat per veu 

    Boada Torre-Marín, Jordi (Universitat Politècnica de Catalunya, 2017-07)
    Bachelor thesis
    Open Access
    Aquest projecte ha pretès la creació d’un prototip d’equip de protecció individual que permeti la interacció amb diferents actuadors mitjançant un control per veu, facilitant i fent més segures les accions del portador en ...
  • Chain simulation of DS-CDMA communication systems 

    Armisén Morell, Albert (Universitat Politècnica de Catalunya, 2010-12-21)
    Master thesis (pre-Bologna period)
    Open Access
    Català: En aquest projecte s'ha analitzat e implementat un sistema basat amb DSSS-CDMA amb un receptor comú y diversos transmissors sobre una plataforma modular en Matlab, essent aquesta una eina de validació teòrica. S'ha ...
  • Characterization of the effects of multi-tap filtering on FBMC/OQAM systems 

    Caus, Marius; Pérez Neira, Ana Isabel; Kliks, Adrian (HINDAWI, 2014-06-05)
    Article
    Open Access
    The filter bank multicarrier modulation based on offset quadrature amplitude modulation (FBMC/OQAM) is being considered as an eligible technology for future wireless communications. However, the orthogonality may be destroyed ...
  • Code design for TDOA UWB based positioning of multiple sources 

    Gusi Amigó, Adrià (Universitat Politècnica de Catalunya, 2010-08-25)
    Master thesis (pre-Bologna period)
    Open Access
    In this thesis we study the feasibility of obtaining acceptable variance values in TDOA UWB based positioning of multiple sources. We define the conditions a time-hopping code must satisfy to mitigate multi-user interference. ...
  • Competició remota supervisada de robots mòbils 

    Català Antúnez, Albert (Universitat Politècnica de Catalunya, 2007-06-25)
    Master thesis (pre-Bologna period)
    Open Access
  • Composicion de redes ambientales a partir de la calidad de servicio 

    Palleja Muñoz, Angel; Barba Martí, Antonio (2009)
    Conference report
    Open Access
    Las redes ambientales definen una iniciativa europea para la cuarta generación de omunicaciones móviles. En esos entornos, la composición de redes heterogéneas para posibilitar comunicaciones con calidad de servicio es ...
  • Consensus for distributed EM-based clustering in WSNs 

    Silva Pereira, Silvana; Barbarossa, Sergio; Pagès Zamora, Alba Maria (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Conference lecture
    Open Access
    A distributed EM algorithm with consensus is proposed for density estimation and clustering using WSNs in the presence of mixtures of Gaussians. The EM algorithm is a general framework for maximum likelihood estimation in ...
  • Cramer-rao bound for time-delay estimation in the frequency domain 

    Serra, Jordi; Blanco, Luis; Nájar Martón, Montserrat (European Association for Signal Processing (EURASIP), 2009)
    Conference report
    Restricted access - publisher's policy
    In this paper a measure of performance of time delay estimators arising from a frequency model of the received signal is presented. The aim is to derive theoretical analysis of the Cramer-Rao bound (CRB) for time delay ...
  • Deliverable D3.2 - Information definition and signalling flows 

    Vahid, Seiamak; Gebert, Jens; Wich, Andreas; Filo, Marcin; Sroka, Milosz; Wierzbowsi, Tomasz; Muck, Markus; Schmidt, Andreas; Mouton, Christian; Matinmikko, Marja; Tsagkaris, Kostas; Stavroulaki, Vera; Logothetis, Marios; Karvounas, Dimitrios; Georgakopoulos, Andreas; Demestichas, Panagiotis; Sallent Roig, José Oriol; Pérez Romero, Jordi; Ferrús Ferré, Ramón Antonio; Mustonen, Miia; Sarvanko, Heli (2011-09)
    External research report
    Open Access
    The purpose of this deliverable is to define information to be exchanged in OneFIT system based on algorithms for the management of pportunistic networks and to design message sequence charts describing the signalling ...
  • Depth map coding based on a optimal hierarchical region representation 

    Maceira Duch, Marc; Ruiz Hidalgo, Javier; Morros Rubió, Josep Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - author's decision
    Multiview color information used jointly with depth maps is a widespread technique for 3D video. Using this depth information, 3D functionalities such as free view point video can be provided by means of depth-image-based ...
  • Desarrollo de un esquema de codificación basado en los Turbo Códigos definidos en el estándar 3GPP (S-UMTS) 

    Álvarez Feito, Borja (Universitat Politècnica de Catalunya, 2010)
    Master thesis (pre-Bologna period)
    Open Access
    En este proyecto nos centramos en el desarrollo de un esquema de codificación basado en el estándar 3GPP. Dicho esquema está diseñado para funcionar en el DSP de un modem vía satélite, el cual cuenta con un coprocesador ...
  • Desarrollo de un sistema automatizado para el control de luces de obstrucción 

    González Suárez, Eliana Karina (Universitat Politècnica de Catalunya, 2009)
    Master thesis (pre-Bologna period)
    Open Access
  • Desarrollo e implementacion de una aplicacion web para revisar la configuracion TACACS+ de los dispositivos de una LAN de una empresa. 

    Collado Mendez, Jonatan (Universitat Politècnica de Catalunya, 2018-10-31)
    Bachelor thesis
    Restricted access - author's decision
    Currently in banking companies, you must have an exhaustive control of the users that access to the network devices. That is why, in this company, which belongs to a Catalan banking institution, there are many network ...
  • Desenvolupament d'aplicacions multimèdia i d'anàlisi de trànsit de xarxa en smartphones Android 

    Peinado Martinez, Pablo (Universitat Politècnica de Catalunya, 2013-05-13)
    Bachelor thesis
    Open Access
    En aquest treball s'han estudiat les característiques multimèdia, les capacitats de captura de transit de xarxa i el servei de localització que ofereix la plataforma Android, amb la idea d'aprofitar l'auge de les ...