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Browsing by Subject "Comunicacions d'espectre eixamplat"

Now showing items 1-3 of 3

    • Digital Transmission Techniques for a Long Haul HF Link: DS-SS vs. OFDM 

      Bergada, Pau; Alsina-Pagès, Rosa Ma; Pijoan, Joan Lluis; Salvador Marín, Martí; Regué, Joan Ramon; Badia, David; Graells Castellà, Simó (Radio Science. 2014, Vol.49, No.7 (Juliol), 2014-06)
      This paper presents two digital transmission techniques for long haul ionospheric links. Since2003 we have studied the HF link between the Antarctic Spanish Base, Juan Carlos I, and Spain; and wehave ...

    • Vertical and Oblique ionospheric soundings over the long haul HF link between Antarctica and Spain 

      Ads, Ahmed Gamal; Bergada, Pau; Regué, Joan Ramon; Alsina-Pagès, Rosa Ma; Pijoan, Joan Lluis; Altadill Felip, David; Badia Folguera, David; Graells Castellà, Simó (Radio Science. 2015, Vol. 50, No.9 (Setembre), 2015-09)
      This paper presents a comparative study between the oblique sounding results, theInternational Telecommunication Union Rec533 HF prediction model, and the vertical sounding results of atransequatorial ...

    • Vertical and Oblique ionospheric soundings over the long haul HF link between Antarctica and Spain 

      Ads, Ahmed Gamal; Bergada, Pau; Regué, Joan Ramon; Alsina-Pagès, Rosa Ma; Pijoan, Joan Lluis; Altadill Felip, David; Badia, David; Graells Castellà, Simó (Radio Science. 2015, Vol. 50, No.9 (Setembre), 2015-09)
      This paper presents a comparative study between the oblique sounding results, theInternational Telecommunication Union Rec533 HF prediction model, and the vertical sounding results of atransequatorial ...