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. 14, 2014

Filed:

Jan. 07, 2011
Applicants:

Shinya Oka, Yokoshuka, JP;

Takashi Okada, Yokohama, JP;

Inventors:

Shinya Oka, Yokoshuka, JP;

Takashi Okada, Yokohama, JP;

Assignee:

NTT DoCoMo, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 25/06 (2006.01); H04B 1/04 (2006.01);
U.S. Cl.
CPC ...
H04B 1/0475 (2013.01);
Abstract

A wireless communication device includes a mixer that multiplies quadrature-modulated transmission data by a local oscillation frequency signal and outputs a high-frequency signal; a distributor that distributes the high-frequency signal; a detector circuit that detects a direct current component included in the high-frequency signal, based on the high-frequency signal distributed by the distributor; a correction signal generating unit that generates a correction signal for removing the direct current component from the high-frequency signal, based on the direct current component detected by the detector circuit; a correction unit that corrects the high-frequency signal by the correction signal generated by the correction signal generating unit; and a transmission unit that transmits the high-frequency signal that has been corrected by the correction unit.


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