Detecting wireless channel status from acoustic discrimination of spectral content
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United States of America Patent
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Jan 10, 2012
Grant Date -
Mar 15, 2007
app pub date -
Sep 15, 2005
filing date -
Sep 15, 2005
priority date (Note) -
Expired
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Abstract
Systems and methods of detecting wireless channel status from acoustic discrimination of spectral content are described. In one aspect, a wireless system includes a spectrum analyzer, a detector, and a controller. The spectrum analyzer is operable to acoustically discriminate spectral content of an input electrical signal in multiple discrete frequency channels. The detector is operable to determine respective statuses of the frequency channels from the acoustically discriminated spectral content. The controller is operable to select one of the frequency channels based on the determined statuses of the frequency channels.
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