Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Josep Vicent Soler Garrido0
Date of Patent
May 13, 2014
0Patent Application Number
130323470
Date Filed
February 22, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
According to embodiments there is provided a method for reducing the crest factor of an input signal. The method is performed in a part of a transmitter and comprises creating a clipped signal by clipping the input signal using a predetermined clipping threshold and creating a peak signal from the input signal. The peak signal comprises the difference between the input signal and the clipped signal. At least part of the peak signal is convoluted with an inverse Fourier transform of a filtering mask defined in the frequency domain. In this way a filtered signal is created. A subtraction signal is generated by subtracting the filtered signal from the input signal.
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