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:
Jul. 07, 2020
Filed:
Dec. 20, 2018
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventors:
Tomofumi Oyama, Kawasaki, JP;
Hisao Nakashima, Kawasaki, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 10/08 (2006.01); H04B 17/00 (2015.01); H04L 7/00 (2006.01); H04B 10/61 (2013.01); H04B 10/079 (2013.01); H04B 10/588 (2013.01); H04B 10/50 (2013.01);
U.S. Cl.
CPC ...
H04L 7/0058 (2013.01); H04B 10/0795 (2013.01); H04B 10/5053 (2013.01); H04B 10/588 (2013.01); H04B 10/613 (2013.01); H04B 10/616 (2013.01); H04B 10/6164 (2013.01); H04L 7/0075 (2013.01); H04L 2201/08 (2013.01);
Abstract
A signal processing device includes: a filter configured to perform an adaptive equalization process of a signal, on a basis of a filter coefficient; an updater configured to update the filter coefficient, on a basis of amplitude of the signal and a target value of the amplitude; and a corrector configured to correct the target value, on a basis of the amplitude of the signal.