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Rilevamento dello spettro basato sul rilevamento dell'energia nella radio cognitiva
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ISBN10: 6209467792
ISBN13: 9786209467790
Publisher: Edizioni Sapienza
Published: Dec 22 2025
Pages: 72
Weight: 0.24
Height: 0.17 Width: 6.00 Depth: 9.00
Language: Italian
ISBN13: 9786209467790
Publisher: Edizioni Sapienza
Published: Dec 22 2025
Pages: 72
Weight: 0.24
Height: 0.17 Width: 6.00 Depth: 9.00
Language: Italian
Con il rapido utilizzo delle comunicazioni wireless in ambito personale, commerciale e governativo, l'utilizzo efficiente dello spettro è diventato un argomento di primario interesse. La maggior parte delle bande autorizzate soffre di sottoutilizzo e di una minore occupazione dello spettro. La tecnologia radio cognitiva promette una soluzione al problema della bassa occupazione dello spettro e dell'utilizzo inefficiente dello spettro radio autorizzato. Una componente fondamentale della tecnologia radio cognitiva è il rilevamento dello spettro. Il rilevamento dell'energia (ED) è una delle tecniche di rilevamento dello spettro più diffuse per la radio cognitiva. In questo lavoro, ho proposto che la chiavetta RTL 2832U SDR sia adatta al metodo di rilevamento dello spettro basato sul rilevamento dell'energia. In questo esperimento, catturiamo il segnale in tempo reale proveniente dalla BTS in diverse città in aree rurali e urbane utilizzando una chiavetta RTL 2832U SDR per decidere se la banda di frequenza è disponibile o meno. Il software GNU Radio consente l'implementazione della tecnica di rilevamento dello spettro tramite rilevamento dell'energia utilizzando RTL-SDR.
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