Mobile Multimedia Communications. 7th International ICST Conference, MOBIMEDIA 2011, Cagliari, Italy, September 5-7, 2011, Revised Selected Papers

Research Article

TV White Spaces Exploitation for Signal Distribution

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  • @INPROCEEDINGS{10.1007/978-3-642-30419-4_6,
        author={Mauro Fadda and Maurizio Murroni and Vlad Popescu and Vlad Stoianovici},
        title={TV White Spaces Exploitation for Signal Distribution},
        proceedings={Mobile Multimedia Communications. 7th International ICST Conference, MOBIMEDIA 2011, Cagliari, Italy, September 5-7, 2011, Revised Selected Papers},
        proceedings_a={MOBIMEDIA},
        year={2012},
        month={5},
        keywords={Signal processing for transmission Dynamic spectrum access TV white spaces spectrum sensing},
        doi={10.1007/978-3-642-30419-4_6}
    }
    
  • Mauro Fadda
    Maurizio Murroni
    Vlad Popescu
    Vlad Stoianovici
    Year: 2012
    TV White Spaces Exploitation for Signal Distribution
    MOBIMEDIA
    Springer
    DOI: 10.1007/978-3-642-30419-4_6
Mauro Fadda1,*, Maurizio Murroni1,*, Vlad Popescu1,*, Vlad Stoianovici2,*
  • 1: University of Cagliari
  • 2: University of Transilvania
*Contact email: mauro.fadda@diee.unica.it, murroni@diee.unica.it, vlad.popescu@diee.unica.it, stoianovici.vlad@unitbv.ro

Abstract

The new spectrum regulation policies for dynamic spectrum access, especially those concerning the use of the white spaces in the Digital Terrestrial Television (DTT) bands, arise the need for fast and reliable signal identification and classification methods. In this paper we present a two-stage identification method for signals in the white spaces, using combined energy detection and feature detection. The band of interest is divided by means of the Discrete Wavelet Packet Transformation (DWPT) in sub-bands where the signal power is calculated. Modulation classifiers taking into account the statistical parameters of the signal in the wavelet domain are used as features for identifying the modulation schemes, in this case specifically for the DVB-T broadcast standard. As a possible application we are considering an indoor short-range distribution system for video signals.