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:
Oct. 18, 2016

Filed:

Feb. 23, 2015
Applicant:

Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;

Inventors:

Satoshi Matsubara, Kawasaki, JP;

Mitsuharu Hamano, Sendai, JP;

Assignee:

FUJITSU LIMITED, Kawasaki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/02 (2006.01); H04L 25/08 (2006.01); H04L 1/00 (2006.01); H03F 1/32 (2006.01); H03F 3/24 (2006.01); H03F 3/19 (2006.01);
U.S. Cl.
CPC ...
H04L 25/08 (2013.01); H03F 1/3247 (2013.01); H03F 3/19 (2013.01); H03F 3/245 (2013.01); H04L 1/0043 (2013.01); H03F 2200/204 (2013.01); H03F 2200/207 (2013.01); H03F 2200/451 (2013.01); H03F 2201/3233 (2013.01);
Abstract

A wireless transmission device includes an amplifier that amplifies power of a wireless transmission signal, a table that stores a plurality of distortion compensation coefficients used for compensating non-linear distortion of the amplifier, and a control unit that alternately performs reading of one distortion compensation coefficient and writing of one distortion compensation coefficient adjusted based on a feedback signal from the amplifier, by using any one port of the table at the time of update of any distortion compensation coefficient out of the plurality of distortion compensation coefficients stored in the table.


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