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:
Aug. 25, 2015
Filed:
Aug. 26, 2010
Applicants:
Yasuyuki Hatakawa, Fujimino, JP;
Satoshi Konishi, Fujimino, JP;
Tomoko Matsumoto, Fujimino, JP;
Inventors:
Assignee:
KDDI CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/00 (2006.01); H04N 19/60 (2014.01); G06T 9/00 (2006.01); H04N 11/04 (2006.01);
U.S. Cl.
CPC ...
H04L 1/0026 (2013.01); G06T 9/007 (2013.01); H04L 1/0029 (2013.01); H04N 11/044 (2013.01); H04N 19/00775 (2013.01);
Abstract
A channel information compressing apparatus of the present invention includes a DCT part that performs discrete cosine transform on channel information (CSI) representing the state of a communication channel, and an information compressor that compresses high frequency components of information included in discrete cosine transform data which is produced by way of discrete cosine transform, thus compressing information while maintaining a good accuracy of channel information.