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.

Date of Patent:
Feb. 18, 2020

Filed:

Mar. 06, 2018
Applicant:

Fujitsu Limited, Kawasaki, Kanagawa, JP;

Inventors:

Tomofumi Oyama, Kawasaki, JP;

Takeshi Hoshida, Kawasaki, JP;

Yoshitaka Nomura, Shinagawa, JP;

Hisao Nakashima, Kawasaki, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/079 (2013.01); H04B 10/67 (2013.01);
U.S. Cl.
CPC ...
H04B 10/07955 (2013.01); H04B 10/677 (2013.01);
Abstract

Provided is an imbalance compensation device that compensates for an imbalance between an in-phase component and a quadrature-phase component of a signal, the imbalance compensation device including: an extracting unit that extracts a signal component in an upper sideband or a signal component in a lower sideband from the signal; a measuring unit that measures power of the signal component in the upper sideband or the signal component in the lower sideband extracted by the extracting unit; and an adjusting unit that adjusts a parameter related to the imbalance, in accordance with the power measured by the measuring unit.


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