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. 19, 2006
Filed:
Jul. 26, 2002
Yoshinari Kumaki, Kanagawa, JP;
Keiji Tsunoda, Kanagawa, JP;
Shigeo Matsuzawa, Tokyo, JP;
Noriyasu Kato, Kanagawa, JP;
Osamu Moriya, Kanagawa, JP;
Toshio Okamoto, Tokyo, JP;
Yoshinari Kumaki, Kanagawa, JP;
Keiji Tsunoda, Kanagawa, JP;
Shigeo Matsuzawa, Tokyo, JP;
Noriyasu Kato, Kanagawa, JP;
Osamu Moriya, Kanagawa, JP;
Toshio Okamoto, Tokyo, JP;
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A mobile supporting router device for realizing the handoff control associated with the moving in high speed is forms by at least one first interface connected with radio base stations, each capable of accommodating at least one mobile terminal; at least one second interface connected with a wire network; an information exchanging unit for exchanging a routing protocol on a network layer, through the second interface; a memory unit for storing information regarding a routing on the network layer based on the routing protocol exchanged by the information exchanging unit; a transfer unit for transferring datagram through the first interface according to the information regarding the routing on the network layer stored in the memory unit; a moving detection unit for detecting a moving of the mobile terminal among the radio base stations; and an information updating unit for updating the information regarding the routing on the network layer stored in the memory unit when the moving of the mobile terminal is detected by the moving detection unit.