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:
Oct. 03, 2006
Filed:
Apr. 04, 2002
Yoshio Takeuchi, Saitama, JP;
Takashi Inoue, Saitama, JP;
Akira Yamaguchi, Saitama, JP;
Yoshiaki Amano, Saitama, JP;
Yoshio Takeuchi, Saitama, JP;
Takashi Inoue, Saitama, JP;
Akira Yamaguchi, Saitama, JP;
Yoshiaki Amano, Saitama, JP;
KDDI Corporation, Tokyo, JP;
Abstract
A multi-beam cellular base station is for sending a spread spectrum signal to at least one mobile station, the base station comprising: first antenna for sending a common channel by a common beam that a directional pattern is formed previously; second antenna for sending a dedicated channel by a dedicated beam that a directional pattern is formed for each mobile station; and switching means for switching a sending time section of the common beam and a sending time section of the dedicated beam so that the sending time sections do not overlap within a time slot, the common beam and the dedicated beam are sent by same frequency.