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Wykrywanie energii oparte na wykrywaniu widma w radiu kognitywnym
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ISBN10: 6209465234
ISBN13: 9786209465239
Publisher: Wydawnictwo Nasza Wiedza
Published: Dec 22 2025
Pages: 72
Weight: 0.24
Height: 0.17 Width: 6.00 Depth: 9.00
Language: Polish
ISBN13: 9786209465239
Publisher: Wydawnictwo Nasza Wiedza
Published: Dec 22 2025
Pages: 72
Weight: 0.24
Height: 0.17 Width: 6.00 Depth: 9.00
Language: Polish
W związku z szybkim rozwojem wykorzystania komunikacji bezprzewodowej w zastosowaniach osobistych, komercyjnych i rządowych, efektywne wykorzystanie widma stalo się jednym z glównych tematów zainteresowania. Większośc licencjonowanych pasm cierpi z powodu niedostatecznego wykorzystania i mniejszego zajęcia widma. Technologia radiowa kognitywna stanowi obiecujące rozwiązanie problemu niskiego zajęcia widma i nieefektywnego wykorzystania licencjonowanego widma radiowego. Jednym z glównych elementów technologii radiowej kognitywnej jest wykrywanie widma. Wykrywanie energii (ED) jest jedną z popularnych technik wykrywania widma stosowanych w radiu kognitywnym. W niniejszej pracy zaproponowalem, że klucz RTL 2832U SDR nadaje się do wykrywania energii w oparciu o metodę wykrywania widma. W tym eksperymencie przechwytujemy sygnal w czasie rzeczywistym pochodzący z BTS w różnych miastach na obszarach wiejskich i miejskich za pomocą klucza RTL 2832U SDR, aby zdecydowac, czy pasmo częstotliwości jest dostępne, czy nie. Oprogramowanie GNU Radio pozwala na wdrożenie techniki wykrywania widma za pomocą wykrywania energii przy użyciu RTL-SDR.
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