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:
Jun. 05, 2012
Filed:
Nov. 26, 2008
Applicants:
Atsushi Honda, Kawasaki, JP;
Kaoru Yokoo, Kawasaki, JP;
Yoji Ohashi, Kawasaki, JP;
Mitsuhiro Azuma, Kawasaki, JP;
Inventors:
Atsushi Honda, Kawasaki, JP;
Kaoru Yokoo, Kawasaki, JP;
Yoji Ohashi, Kawasaki, JP;
Mitsuhiro Azuma, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04K 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A phase tracking circuit includes a divider part dividing an input signal that includes data sub-carriers and pilot sub-carriers into groups so that each of the groups includes at least one of the pilot sub-carriers, and a correcting part correcting phases of data sub-carriers of the input signal included in one of the groups on the basis of an amount of phase rotation of the at least one of the pilot sub-carriers included in the above one of the groups.