System and method for wireless channel sensing
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United States of America Patent
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Dec 13, 2011
Grant Date -
Jul 10, 2008
app pub date -
Mar 2, 2007
filing date -
Jan 7, 2007
priority date (Note) -
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Abstract
System and method for wireless channel sensing. According to an embodiment, the present invention provides a method of determining band availability for a WRAN. The method includes receiving wirelessly analog signals within a predetermined range of frequencies. The method also includes converting the analog signals to digital signals. The digital signals are characterized in a frequency domain. The method additionally includes determining a plurality of signal strength levels associated with the digital signals at a plurality of frequencies. Furthermore, the method includes comparing the plurality of signal strength levels to reference levels at the plurality of frequencies. Moreover, the method includes determining band availability for wireless communication at the predetermined range of frequencies.
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