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:
Apr. 24, 2018
Filed:
Dec. 27, 2016
Applicant:
Solid, Inc., Seongnam-si, Gyeonggi-do, KR;
Inventors:
Nagwon Kwon, Seoul, KR;
Hyunchae Kim, Seoul, KR;
Assignee:
SOLiD, INC., Seongnam-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 7/15 (2006.01); H04L 27/26 (2006.01); H04W 52/36 (2009.01);
U.S. Cl.
CPC ...
H04L 27/2623 (2013.01); H04B 7/15 (2013.01); H04L 27/2624 (2013.01); H04W 52/36 (2013.01);
Abstract
According to an aspect of the inventive concept, there is provided a crest factor reduction (CFR) core, including: a clipper clipping an input signal; a delay unit delaying the input signal; a first subtractor subtracting the clipped input signal from the delayed input signal; an error shaping filter filtering the subtracted signal for shaping an error which occurs by the clipping of the input signal; a digital filter filtering the input signal for cancelling noise of the input signal; and a second subtractor subtracting the filtered subtracted signal from the filtered input signal.