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. 14, 2009
Filed:
May. 07, 1999
Toshiyuki Futakata, Yokosuka, JP;
Masatoshi Kimoto, Yokosuka, JP;
Tsutomu Taguchi, Yokohama, JP;
Yoshiaki Hiramatsu, Yokosuka, JP;
Toshiyuki Futakata, Yokosuka, JP;
Masatoshi Kimoto, Yokosuka, JP;
Tsutomu Taguchi, Yokohama, JP;
Yoshiaki Hiramatsu, Yokosuka, JP;
NTT Mobile Communications Network, Inc., Tokyo, JP;
Abstract
The present invention relates to a spreading signal assigning method and a signal transmitting method in a direct sequence CDMA mobile communication system, a mobile wireless communication system using the methods, and a transmitter, a receiver and a transceiver in the mobile wireless communication system in which an assignment method of a second spreading code is devised such that various services can be provided. The invention is configured such that a signal spread with the second spreading code is transmitted between a base station and a mobile station by assigning a code associated with each base station group or a code associated with each network type to which the base station group belongs as the second spreading code.