Now showing items 1-4 of 4

  • Algoritmo de Scheduling M-LWDF : simulación para la provisión de calidad de servicios en entornos multiusuario con canales variantes 

    López Salcedo, José Antonio; Prado Rodríguez, Daniel; Tornay Gómez, Raül; Urruela Planas, Andreu (Escola Tècnica Superior d'Enginyers de Telecomunicació de Barcelona, 2002)
    Article
    Open Access
    En sistemas de transmisión de alta velocidad en canales wireless, donde el espectro es un recurso altamente limitado, se hace necesaria la implementación de algoritmos de reparto de los recursos si se pretende cumplir ...
  • Average performance analysis of circular and hyperbolic geolocation 

    Urruela Planas, Andreu; Sala i Álvarez, Josep; Riba Sagarra, Jaume (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2006-01-31)
    Article
    Open Access
    A comparative performance analysis of four geolocation methods in terms of their theoretical root mean square positioning errors is provided. Comparison is established in two different ways: strict and average. In the ...
  • Feasibility study for a spacecraft navigation system relying on pulsar timing information 

    Sala Álvarez, José; Urruela Planas, Andreu; Villares Piera, Nemesio J.; Estalella, R; Paredes, J M (2004-06)
    External research report
    Open Access
    Estudi de fiabilitat per un sistema de navegacio d'espai profund basat en referencies de radio-estrelles pulsants (pulsar).
  • Pulsar navigation 

    Sala Álvarez, José; Urruela Planas, Andreu; Villares Piera, Nemesio J.; Romeu Robert, Jordi; Blanch Boris, Sebastián; Estalella Boadella, Robert; Paredes, J. M. (European Space Agency (ESA), 2008-12-31)
    Article
    Restricted access - publisher's policy
    This paper evaluates the fundamental performance bounds, signal processing and technological complexity associated with the synchronization to radio and X-ray pulsars as well as its impact on the positioning accuracy of ...