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:
Apr. 25, 2006
Filed:
Dec. 06, 2002
Takayuki Ishiguro, Yokosuka, JP;
Toshiyuki Futakata, Yokosuka, JP;
Makoto Ito, Yokosuka, JP;
Sung Uk Moon, Yokosuka, JP;
Takayuki Ishiguro, Yokosuka, JP;
Toshiyuki Futakata, Yokosuka, JP;
Makoto Ito, Yokosuka, JP;
Sung Uk Moon, Yokosuka, JP;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
A mobile phonereceives a home cell signal sent from a base station Band a foreign cell signal sent from a base station Bor from a mobile phonein a foreign cell A. The mobile phonereceives spreading codes C–Csent from the base station B, as home cell codes. The mobile phonedetects the interference between the home cell signal and the foreign cell signal. When the interference is detected, the mobile phonereceives a spreading code Csent from the base station Bor from the mobile phone, as a foreign cell code. The mobile phonecancels an interference signal by joint detection, using the home cell codes and the foreign cell code.