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:
Jul. 05, 2011
Filed:
Sep. 28, 2006
Toshinori Suzuki, Fujimino, JP;
Noriaki Miyazaki, Fujimino, JP;
Toshinori Suzuki, Fujimino, JP;
Noriaki Miyazaki, Fujimino, JP;
KDDI Corporation, Tokyo, JP;
Abstract
The multi-carrier code dividing multiplex transfer system of the present invention includes a direct demodulator that discriminates transmitted signals according to a receiving signal point composed of a combination of receiving values in a spread state of sub-carriers in a range where one modulated symbol is spread, and according to reference signal composing values that can be taken by the combination of the receiving values in the spread state of the sub-carriers. As a result, it is possible to prevent from affects of inter-code interference, and improve receiving characteristics as well.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile