Browsing by Subject "Digital communications"

Now showing items 1-20 of 84

    • 5G Techniques Proof-of-concept Testbed 

      Sainz Rojas, Manuel (Universitat Politècnica de Catalunya, 2015-05)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Aalborg universitet
      The exponential increase of the data traffic in the next years and the limitations of the wireless spectrum shared by multiusers have challenged the design of the coming 5G radio access technology. In the last decade, ...

    • A case study on the communications subsystem for cubesat 

      Cebrián Herrera, Natalia (Universitat Politècnica de Catalunya, 2014-06-09)
      Master thesis (pre-Bologna period)
      Open Access
      Covenantee:   Universidade de Fortaleza
      Due to the overwhelming increment transmission and reception of information around the world, Satellite Communications have become an essential application in our lives. Proof of this, are the continuous investments made ...

    • A distributed arithmetics architecture for quantization SNR improvement based on LUT recoding 

      Rubio Fernández, José; Sala Álvarez, José (Servicio de Publicaciones Universidad de Vigo, 1999)
      Conference report
      Open Access

    • A Proposed Selection Process in Over-The-Top Project Portfolio Management 

      Confido, Jemy Vestius; Wibisono, Dermawan; Sunitiyoso, Yos (OmniaScience, 2018-09)
      Article
      Open Access
      Purpose: The purpose of this paper is to propose an over-the-top (OTT) initiative selection process for communication service providers (CSPs) entering an OTT business. Design/methodology/approach: To achieve this objective, ...

    • A role-based software architecture to support mobile service computing in IoT scenarios 

      Finochietto, Mariano; Eggly, Gabriel; Santos, Rodrigo; Orozco, Javier; Ochoa, Sergio; Meseguer Pallarès, Roc (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-05)
      Article
      Open Access
      The interaction among components of an IoT-based system usually requires using low latency or real time for message delivery, depending on the application needs and the quality of the communication links among the components. ...

    • Adaptive blind system identification using weighted cumulant slices 

      Vidal Manzano, José; Rodríguez Fonollosa, José Adrián (1996-03)
      Article
      Restricted access - publisher's policy
      Many linear methods have been proposed in the literature to blindly estimate the ARMA parameters of a time series using HOS. Nevertheless, they are mainly off-line and not much has been done in the adaptive case. The method ...

    • AER communication for spiking neural network emulation on a microprocessor 

      Ballesteros Pujol, Roc (Universitat Politècnica de Catalunya, 2023-10-17)
      Bachelor thesis
      Open Access
      En aquest treball s'estudia un sistema de comunicació basat en el protocol AER (Address event representation) per a una xarxa neuronal del tipus spiking. Per fer-ho, en aquest projecte es dissenyen, utilitzant VHDL, les ...

    • AER-RT: Interfaz de Red con Topología en Anillo para SNN Multi-FPGA 

      Dorta Pérez, Silvestre Taho (Universitat Politècnica de Catalunya, 2013-07-08)
      Master thesis
      Open Access
      [ANGLÈS] This thesis presents AER-RT network interface, a network interface designed to work together a Multiprocessor System (MPS) and create an efficient and scalable multi-chip SNN network. The objective of AER-RT is ...

    • Anàlisi de recursos digitals per a l'aprenentatge de continguts del currículum de Tecnologia de la ESO 

      Bertolín Mora, Javier (Universitat Politècnica de Catalunya, 2019-06-20)
      Master thesis
      Open Access
      Aquest treball té l'objectiu de contribuir a la tasca d'analitzar recursos digitals que, durant l'etapa de la ESO, puguin ajudar a compaginar l'assoliment de les competències de l'àmbit cientificotecnològic pròpies de ...

    • Análisis de las estrategias de gestión del espectro radioeléctrico en un sistema LTE con la herramienta Atoll 

      López Diaz, Eduardo José (Universitat Politècnica de Catalunya, 2012-02)
      Master thesis (pre-Bologna period)
      Open Access
      English: the Mobile Communications Research Group as part of the Signal Theory and Communications Department of the Polytechnic University of Catalonia, in order to keep up with the latest technological trends in the mobile ...

    • Análisis del impacto del uso de técnicas de múltiples antenas en una red móvil LTE con la herramienta de simulación ATOLL 

      Perrino Longo, Gian Piero (Universitat Politècnica de Catalunya, 2013-03-12)
      Master thesis (pre-Bologna period)
      Open Access
      [ANGLÈS] The use of multiple antenna techniques or MIMO (Multiple Input Multiple Output) technologies has for many years been a key tool to improve the spectral efficiency of a wireless communication channel. In other ...

    • Aplicación del muestreo enfatizado a la evaluación de transmisiones digitales 

      Figueiras Vidal, Aníbal R.; Mariño Acebal, José Bernardo; Lagunas Hernandez, Miguel A.; García Gómez, Ramón (1980)
      Conference report
      Open Access
      The Importance Sampling Technique is a method for reducing the computational effort in Montecarlo simulations for obtaining the relative frequency of an event having a very low probability. While this method is well known ...

    • Application of error modeling at the output of maximum likelihood decoder to concatenated coded 16 PSK 

      Salembier Clairon, Philippe Jean (Institute of Electrical and Electronics Engineers (IEEE), 1989)
      Conference report
      Open Access
      The authors study the performance of coded 16 PSK (phase shift keying) (inner code) concatenated with a Reed-Solomon (RS) code (outer code). The overall redundancy introduced by the codes is 33% (spectral efficiency 2.7 ...

    • Application of ultra-narrowband systems to low power wide area networks 

      Alonso Poal, Marina (Universitat Politècnica de Catalunya, 2017-06)
      Bachelor thesis
      Open Access
      Concepts such as Internet of Things (IoT) or Machine to Machine (M2M) are gaining more and more interest as they will provide connectivity for countless number of devices. The main challenge of this paradigm is to connect ...

    • Blockchain: Pasado, presente y futuro 

      Maynés Moreno, Gerard (Universitat Politècnica de Catalunya, 2018-05)
      Bachelor thesis
      Open Access
      This final degree project will try to explain the blockchain technology, its related concepts and analyze a few cryptocurrencies that use it. First, we?ll do a state-of-art of their economic situation, just as an analysis ...

    • Bonded VDSL 

      Lizaña Moreno, Josep (Universitat Politècnica de Catalunya, 2008-09-15)
      Master thesis (pre-Bologna period)
      Open Access
      The actual demand of Internet services is increasing fast and the contents are becoming heavier because of the higher demand of video and voice services as VoIP and HDTV. This fact is pushing the actual infrastructure ...

    • Chirp Fourier Processor Design: A Time-domain Approach 

      Delgado Penin, José Antonio; Serrat Fernández, Juan (Institute of Electrical and Electronics Engineers (IEEE), 1990)
      Conference report
      Open Access

    • Co-simulation methodology to evaluate digital communication systems interfered by transients 

      Pous Solà, Marc; Silva Martínez, Fernando (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      In this paper a method combining different types of simulation is used to evaluate transient interferences over a digital communication system at its frequency band. The method combines different simulation stages; the ...

    • Cobertura TETRA en interior de edificios 

      Parra Hidalgo, Juan Manuel (Universitat Politècnica de Catalunya, 2009-05-12)
      Master thesis (pre-Bologna period)
      Open Access

    • Comportamiento de un protocolo ARQ en canal de hf a 2400 bps 

      Serrat Fernández, Juan; Dalmau, Jordi (1991)
      Conference report
      Open Access
      Today HF communication systems rely on the concept of adaptation. In fact, the benefits of exploiting the time/frequency variant capacity of the HF channel have been reported elsewhere. Adaptive systems can play an important ...