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Energieer Кennungsbasierte Spektrumserfassung in kognitiven Funknetzen
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ISBN10: 6209475477
ISBN13: 9786209475474
Publisher: Verlag Unser Wissen
Published: Dec 22 2025
Pages: 72
Weight: 0.24
Height: 0.17 Width: 6.00 Depth: 9.00
Language: German
ISBN13: 9786209475474
Publisher: Verlag Unser Wissen
Published: Dec 22 2025
Pages: 72
Weight: 0.24
Height: 0.17 Width: 6.00 Depth: 9.00
Language: German
Durch die rasante Verbreitung der drahtlosen Kommunikation im privaten, gewerblichen und staatlichen Bereich ist die effiziente Nutzung des Frequenzspektrums zu einem wichtigen Thema geworden. Die meisten lizenzierten Frequenzbänder sind nicht ausgelastet und weisen eine geringe Spektralauslastung auf. Die kognitive Funktechnologie verspricht eine Lösung für das Problem der geringen Spektralauslastung und der ineffizienten Nutzung des lizenzierten Funkfrequenzspektrums. Ein wesentlicher Bestandteil der kognitiven Funktechnologie ist die Spektrumserkennung. Die Energiedetektion (ED) ist eine der beliebtesten Spektrumserkennungstechniken für kognitiven Funk. In dieser Arbeit habe ich vorgeschlagen, dass der RTL 2832U SDR-Stick für die energiebasierte Spektrumserfassung geeignet ist. In diesem Experiment erfassen wir mit einem RTL 2832U SDR-Stick das Echtzeitsignal, das von der BTS über verschiedene Städte in ländlichen und städtischen Gebieten kommt, um zu entscheiden, ob das Frequenzband verfügbar ist oder nicht. Die GNU Radio-Software ermöglicht die Implementierung der Energieerkennungs-Spektrumserfassungstechnik unter Verwendung des RTL-SDR.
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