• Candidate spectral estimation for cognitive radio 

      Rojas, Miguel A.; Lagunas Hernandez, Miguel A.; Pérez Neira, Ana Isabel (2007)
      Text en actes de congrés
      Accés obert
      Introducing a different view point of traditional filter bank approach for spectral estimation it is derived a spectral estimation method able to detect a given spectral shape forming part or contributing to a given data ...
    • DVB-T candidate power detector for cognitive radio 

      Rojas, Miguel A.; Pérez Neira, Ana Isabel; Lagunas Hernandez, Miguel A. (2009)
      Text en actes de congrés
      Accés obert
      Dynamic detection of primary users is one of the main functions of spectrum sensing for Cognitive Radio (CR) communications aiming to increase the use of radio spectrum. In this work the performance of the so-called ...
    • Spectrum labeling for cognitive radio systems 

      Lagunas Hernandez, Miguel A.; Pérez Neira, Ana Isabel; Stoica, Petre; Rojas, Miguel A. (2008)
      Text en actes de congrés
      Accés obert
      A key challenge of the air interface of the cognitive radio is an accurate detection of weak signals of licensed users over a wide spectrum range. This paper describes a method for first detecting and next locating in ...