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:
Dec. 15, 2009
Filed:
Nov. 20, 2003
Hiromasa Fujii, Kanagawa, JP;
Shigeru Tomisato, Okayama, JP;
Hirohito Suda, Kanagawa, JP;
Tetsushi Abe, Kanagawa, JP;
Takefumi Yamada, Tokyo, JP;
Hiromasa Fujii, Kanagawa, JP;
Shigeru Tomisato, Okayama, JP;
Hirohito Suda, Kanagawa, JP;
Tetsushi Abe, Kanagawa, JP;
Takefumi Yamada, Tokyo, JP;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
An object of the present invention is to provide a communications system etc., which can reduce the influence of interference from other systems which results from a difference in symbol length, in an area where a plurality of systems using different transmission methods are mixed. The present invention relates to a communications system in which a plurality of systems share the same frequency bandwidth so as to transmit information symbols. One of the plurality of systemsincludes an identifying unitconfigured to identify the symbol length of an information symbol transmitted in a different system; and an adjusting unitconfigured to adjust the symbol length of an information symbol to be transmitted, in accordance with an identified symbol length.