Now showing items 1-20 of 32

  • A new vision of software defined radio: from academic experimentation to industrial explotation 

    Boncompte vilaró, Teresa (Universitat Politècnica de Catalunya / Università degli Studi de Trento, 2011)
    Master thesis (pre-Bologna period)
    Open Access
    The broad objective of this study is to examine the role of Software Defined Radio in an industrial field. Basically examines the changes that have to be done to achieve moving this technology in a commercial domain. It ...
  • A radio spectrum measurement platform for spectrum surveying in cognitive radio 

    López Benítez, Miguel; Casadevall Palacio, Fernando José (2011)
    Conference report
    Restricted access - publisher's policy
    This paper presents a sophisticated radio spectrum measurement platform specifically envisaged and designed for spectrum occupancy surveys in the context of Dynamic Spectrum Access/Cognitive Radio (DSA/CR). The presented ...
  • A software radio challenge accelerating education and innovation in wireless communications 

    González Rodríguez, Marta; Gelonch Bosch, Antonio José; Marojevic, Vuk (Institute of Electrical and Electronics Engineers (IEEE), 2018)
    Conference lecture
    Restricted access - publisher's policy
    This Innovative Practice Full Paper presents our methodology and tools for introducing competition in the electrical engineering curriculum to accelerate education and innovation in wireless communications. Software radio ...
  • Defining a network management architecture 

    Jiménez Agudelo, Yury Andrea; Cervelló Pastor, Cristina; García García, Aurelio Javier (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Restricted access - publisher's policy
    This work proposes an algorithm called k-Critical Node to solve the controller placement problem in Software Defined Networks. K-Critical finds the minimum number of controllers to satisfy a target communication delay ...
  • Dynamic resource allocation in software-defined radio - The interrelation between platform architecture and application mapping 

    Marojevic, Vuk; Revés Ballesté, Xavier; Gelonch Bosch, Antonio José (2006-09)
    Article
    Open Access
  • Empirical Time-Dimension Model of Spectrum Use Based on a Discrete-Time Markov Chain With Deterministic and Stochastic Duty Cycle Models 

    López Benítez, Miguel; Casadevall Palacio, Fernando José (2011-07)
    Article
    Restricted access - publisher's policy
    The spectrum occupancy models widely used to date in dynamic spectrum access/cognitive radio (DSA/CR) research frequently rely on assumptions and oversimplifications that have not been validated with empirical measurement ...
  • Evaluación de una estación base LTE basado en software 

    Liu, Holmes (Universitat Politècnica de Catalunya, 2016-07-04)
    Master thesis (pre-Bologna period)
    Open Access
    In the early 90s, the GSM standard was introduced in Europe with an important carrier-side investment in order to deliver a digital service to the home user. Back then there was no functionality bundling in contrast to the ...
  • GREENET an early stage training network in enabling technologies for green radio 

    Verikoukis, Christos; Thompson, John; Rodriguez, Jonathan; Pérez Neira, Ana Isabel; Kormentzas, Georgios; Di Renzo, Marco; Alonso, Luis; Fitzek, Frank H.P.; Flogar, Andreas; Granelli, Fabrizio; Graziosi, Fabio; Christophe, Gruet; Haas, Harald (2011)
    Conference report
    Restricted access - publisher's policy
    In this paper, we describe GREENET (an early stage training network in enabling technologies for green radio), which is a new project recently funded by the European Commission under the auspices of the 2010 Marie Curie ...
  • Implementació d'una SDR (Software Defined Radio) sobre Raspberry PI 

    Lladó Maldonado, Marc (Universitat Politècnica de Catalunya, 2018-10-29)
    Bachelor thesis
    Restricted access - author's decision
  • Implementation of the Physical Random Access Channel in TDD-LTE using Software Defined Radio 

    Tiati Dang, Daniel Stephane (Universitat Politècnica de Catalunya, 2016-02-08)
    Bachelor thesis
    Open Access
    Covenantee:  Aalto-yliopisto. Sähkötekniikan korkeakoulu
    In Long Term Evolution (LTE) uplink transmission, a User Equipment (UE) must be time-synchronized before normal data transmission. So that a Physical Random Access Channel (PRACH) becomes a crucial factor for LTE access ...
  • Interference management in cognitive radio systems 

    Pardina Garcia, Ivan (Universitat Politècnica de Catalunya, 2011-03-04)
    Master thesis
    Open Access
    Currently, the radio spectrum is beginning to be crowded due to the rapid growth of wireless technologies this century. However, many studies show that the major licensed bands, such as those allocated for television ...
  • Joint learning-detection framework: an empirical analysis 

    López Benítez, Miguel; Pérez Romero, Jordi (2011)
    Conference report
    Restricted access - publisher's policy
    Within a context of Cognitive Radio, we explore the possibility to detect the presence of users on a given band with no a priori knowledge on the environment. This paper ventures the analysis of a joint learning-detection ...
  • LTE downlink physical layer processing chain SDR application acceleration with GPUs 

    Arteaga Martínez, Xavier (Universitat Politècnica de Catalunya, 2012-07-13)
    Bachelor thesis
    Open Access
    The technology moves fast and the wireless systems tend to be software defined radio (SDR). The new wireless standards increase the efficiency of communications, also its complexity, which demand more processing. The ...
  • Modeling and simulation of joint time-frequency properties of spectrum usage in cognitive radio 

    Casadevall Palacio, Fernando José; López Benítez, Miguel; López Pérez, David Orencio; Vasilakos, Athanasios V. (2011)
    Conference report
    Restricted access - publisher's policy
    The development of the Dynamic Spectrum Access/Cogni- tive Radio (DSA/CR) technology can signi cantly bene t from the availability of realistic models able to accurately capture and reproduce the statistical properties ...
  • Multiantenna spectrum sensing exploiting spectral a priori information 

    Vázquez Vilar, Gonzalo; López Valcarce, Roberto; Sala Álvarez, José (2011-12)
    Article
    Restricted access - publisher's policy
    Dynamic Spectrum Access (DSA) is receiving considerable interest as a means to improve spectral usage in licensed bands. In order to avoid interference to licensed users, spectrum sensing has emerged as an enabling technology ...
  • On the spectrum occupancy perception of cognitive radio terminals in realistic scenarios 

    López Benítez, Miguel; Casadevall Palacio, Fernando José (2010)
    Conference report
    Restricted access - publisher's policy
    Cognitive radio terminals sense the spectrum to detect temporarily unoccupied spectrum gaps and transmit. The behavior of a network of cognitive radio terminals therefore depends on the spectrum occupancy perceived by ...
  • Performance evaluation of cooperative sensing mechanisms in cognitive radio networks 

    Quesada Gordo, Kilian (Universitat Politècnica de Catalunya, 2015-09-22)
    Bachelor thesis
    Open Access
    C ognitive radio networks consist of intelligent devices that perform continuo us monitoring of the RF spectrum to locate and use frequency bands that are temporarily free . That is , those bands used ...
  • Performance of spectrum sensing for cognitive radio based on field measurements of various radio technologies 

    López Benítez, Miguel; Casadevall Palacio, Fernando José; Martella, Corrado (2010)
    Conference report
    Restricted access - publisher's policy
    Despite its practical performance limitations, energy detection has gained popularity during the last years as a spectrum sensing technique for dynamic spectrum access in cognitive radio networks. The main advantages of ...
  • La Radio definida por software : recepción de las comunicaciones tierra-aire dentro de la banda aeronáutica 

    Sánchez Lakehal, Alejandro (Universitat Politècnica de Catalunya, 2015-09-10)
    Master thesis (pre-Bologna period)
    Open Access
    La Radio Definida por Software ( SDR ), es un sistema de radio comunicación en la que alguna o todas las funciones operativas de la radio se basan en algoritmos software en vez de implementaciones hardware. Teniendo en ...
  • Receptor Web-SDR a l'EETAC 

    Beltran Obiol, Salvador (Universitat Politècnica de Catalunya, 2017-02-01)
    Bachelor thesis
    Open Access
    Covenantee:  EETAC: Escola d'Enginyeria de Telecomunicació i Aerospacial de Castelldefels
    In this project has designed, installed and configured a system of reception of signals of RF using SDR (Software Defined Radio) low cost receivers that by means of a web interface allow to decode the signals to any user ...