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. 24, 2008
Filed:
Oct. 17, 2003
Applicants:
Kyesan Lee, Saitama, JP;
Takeo Ohseki, Saitama, JP;
Hiroyasu Ishikawa, Saitama, JP;
Hideyuki Shinonaga, Saitama, JP;
Inventors:
Kyesan Lee, Saitama, JP;
Takeo Ohseki, Saitama, JP;
Hiroyasu Ishikawa, Saitama, JP;
Hideyuki Shinonaga, Saitama, JP;
Assignee:
KDDI Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A transmitter device comprises an OFDM transmission unit, a MC-CDMA transmission unit, and a control unit for selecting either the OFDM transmission unit or the MC-CDMA transmission unit at slot time assigned to a receiver device in response to propagation conditions for the receiver device. The propagation conditions are a distance from the receiver device and a CINR.