Browsing by Author "Font-Segura, Josep"

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  • Font-Segura, Josep; Vázquez, Gregori; Riba, Jaume (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    The performance in signal detection is evaluated by the error (false-alarm and missed-detection) probabilities.However,calculating these probabilities is a difficult taskin practice. This paper studies the asymptotic ...
  • Font-Segura, Josep; Martínez, Alfonso, 1973-; Guillén i Fábregas, A. (Albert) (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    This paper provides an asymptotic expansion of the error probability, as the codeword length n goes to infinity, in quasi-static binary symmetric channels. After the leading term, namely the outage probability, the next ...
  • Font-Segura, Josep; Martínez, Alfonso, 1973-; Guillén i Fábregas, A. (Albert) (Institute of Electrical and Electronics Engineers (IEEE), 2019)
    Saddlepoint approximations to the error probability are derived for multiple-cost-constrained random coding ensembles where codewords satisfy a set of constraints. Constantcomposition inputs over a binary symmetric channel ...
  • Font-Segura, Josep; Riba, Jaume; Vázquez, Gregori (Institute of Electrical and Electronics Engineers (IEEE), 2011)
    In this paper, we consider a novel compressed correlation-matching (CCM) approach for spectrum sensing of wideband sparse signals. We derive a general closed-form estimate of thewideband sparse signal level from compressed ...
  • Font-Segura, Josep; Riba, Jaume; Villares, Javier; Vázquez, Gregori (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    The frequency diversity exhibited by cyclostationary signals is exploited in this paper. A novel rank-1 frequency-domain representation of a digital waveform is proposed to address the generalized likelihood ratio (GLR) ...
  • Colombaro, Ivano (Universitat Pompeu Fabra, 2022-06-28)
    This doctoral thesis aims to find a connection between two different disciplines. On the one hand, the electromagnetic theory, one of the most known and most applied theories in physics, properly described by the famous ...
  • Font-Segura, Josep; Riba, Jaume; Villares, Javier; Vázquez, Gregori (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    This paper addresses the problema of blind detection of a wide-sensestationary (WSS) signal overfading channels.We propose a test statistic which isoptimal from a correlation matching perspective that shows invariance ...
  • Font-Segura, Josep; Riba, Jaume; Vázquez, Gregori (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    This paper revisits the model order selection problem in the context of second-order spectrum sensing in cognitive radio. Taking advantage of the recent interest on the generalized likelihood ratio (GLR), the asymptotic ...

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