The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 25, 2012
Filed:
Apr. 21, 2010
Applicant:
Khalil C. Haddad, Allen, TX (US);
Inventor:
Khalil C. Haddad, Allen, TX (US);
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A device and a method for crest factor reduction reduces peak-to-average ratio (PAR) to increase power amplifier efficiency. A first hard clipping block performs hard clipping on an input signal when the amplitude of the input signal is greater than a first threshold. A shaping filter reshapes the spectrum of the hard clipped signal. An interpolator increases the sampling rate of the reshaped signal. A second hard clipping block performs hard clipping on the interpolated signal when the amplitude of the interpolated signal is greater than a second threshold.