Apparatus and method for signal detection in a cognitive radio-based wireless communication system
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United States of America Patent
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Oct 25, 2011
Grant Date -
May 3, 2007
app pub date -
Nov 3, 2006
filing date -
Nov 3, 2005
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Abstract
An apparatus and method for signal detection in a CR-based wireless communication system are provided. In the signal detection apparatus, a cyclic power calculator calculates the power spectral density of a cyclo-stationary and periodical signal to be detected with respect to a cyclic frequency and calculates optimum statistics using the power spectral density. A signal detector determines whether a signal exists or not according to the optimum statistics.
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