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:
May. 29, 2007
Filed:
Mar. 31, 2005
Katsuhiro Noguchi, Yokohama, JP;
Kazuyuki Kozu, Yokosuka, JP;
Kota Fujimura, Yokosuka, JP;
Takashi Suzuki, Yokohama, JP;
Katsuhiro Noguchi, Yokohama, JP;
Kazuyuki Kozu, Yokosuka, JP;
Kota Fujimura, Yokosuka, JP;
Takashi Suzuki, Yokohama, JP;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
A radio network controller connected to a first exchange and a second exchange which manage a same location registration area. The radio network controller includes a manager configured to manage a mobile station under control of the radio network controller, in association with the first exchange or the second exchange; a transfer configured to transfer a signal transmitted from the mobile station to the first exchange or the second exchange which is associated with the mobile station; and a monitor configured to monitor state of the first exchange and the second exchange. The transfer is configured to transfer a signal from the mobile station associated with the first exchange, to the second exchange, when the monitor detects inaccessibility to the first exchange.