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. 17, 2013
Filed:
Mar. 04, 2005
Atsushi Iwasaki, Yokosuka, JP;
Takatoshi Okagawa, Yokosuka, JP;
Atsushi Iwasaki, Yokosuka, JP;
Takatoshi Okagawa, Yokosuka, JP;
NTT DoCoMo, Inc., Tokyo, JP;
Abstract
A mobile communication network system () is disclosed. The network system comprises a transport network () including a plurality of routers (), and a network control apparatus () for controlling mobility of a mobile node (, MN), characterized in that the network control apparatus () comprises a mobility managing unit (LRM) for managing information (CDT) of a correspondent node (, MN) communicating with the mobile node (, MN); the mobility managing unit (LRM) comprises a boundary router detecting unit for detecting that the mobile node (MN) moves and reaches a boundary of a router (AR) managed by the mobility managing unit (LRM) itself; and a correspondent node information forwarding unit for forwarding the information (CDT) of the correspondent node (MN) to a neighbor mobility managing unit (LRM) having a similar structure, when it is detected that the mobile node (MN) reaches a boundary of a router (AR) managed by the mobility managing unit (LRM) itself.