Methods and apparatus for spectrum sensing of signal features in a wireless channel
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United States of America Patent
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Jun 11, 2013
Grant Date -
Jan 27, 2011
app pub date -
Nov 13, 2009
filing date -
Jul 22, 2009
priority date (Note) -
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Abstract
Methods and apparatus for sensing features of a signal in a wireless communication system are disclosed. The disclosed methods and apparatus sense signal features by determining a number of spectral density estimates, where each estimate is derived based on reception of the signal by a respective antenna in a system with multiple sensing antennas. The spectral density estimates are then combined, and the signal features are sensed based on the combination of the spectral density estimates.
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