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:
May. 23, 2023
Filed:
Mar. 15, 2021
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Masahiko Onishi, Osaka, JP;
Eiji Mochida, Osaka, JP;
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 1/32 (2006.01); H03F 3/24 (2006.01); H04B 1/04 (2006.01); H04L 27/36 (2006.01);
U.S. Cl.
CPC ...
H03F 1/3247 (2013.01); H03F 3/24 (2013.01); H04B 1/0475 (2013.01); H04L 27/368 (2013.01); H03F 2201/3224 (2013.01); H04B 2001/0425 (2013.01);
Abstract
Provided is a distortion compensation device performing distortion compensation on a signal to be amplified by an amplifier, of which an internal state affecting a distortion characteristic varies, using a distortion compensation model, wherein the distortion compensation model includes a plurality of calculation models having respective distortion compensation characteristic for the amplifier in different internal states, and a combiner combining the plurality of calculation models at a combination ratio corresponding to the internal state that varies.