Method and apparatus for channel selection

The radio frequency (RF) environment is scanned and analyzed prior to entering a building or otherwise non-ideal propagation path environment. Upon entering the building or non-ideal propagation path environment, the mobile unit will scan the RF environment from within the building. An attenuation f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Buchwald, Gregory J, Ecklund, Lawrence M, Kuffner, Stephen L
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The radio frequency (RF) environment is scanned and analyzed prior to entering a building or otherwise non-ideal propagation path environment. Upon entering the building or non-ideal propagation path environment, the mobile unit will scan the RF environment from within the building. An attenuation factor is determined for various frequencies. A channel then chosen to operate on in the cognitive system based on the attenuations of the various frequencies.