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Mobile node, a control method thereof, and a mobile node control program

A technology of mobile nodes and control methods, applied in the direction of access restriction, electrical components, radio/induction link selection arrangement, etc., can solve problems such as inability to communicate

Inactive Publication Date: 2006-01-04
NTT DOCOMO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0016] Therefore, after passing through point D, communication cannot be performed until the use of the WLAN link is started.

Method used

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  • Mobile node, a control method thereof, and a mobile node control program
  • Mobile node, a control method thereof, and a mobile node control program
  • Mobile node, a control method thereof, and a mobile node control program

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Embodiment Construction

[0044] Next, embodiments of the present invention will be described with reference to the drawings.

[0045] In all the drawings for explaining the embodiments, parts having the same functions are assigned the same symbols, and repeated descriptions are omitted.

[0046] The mobile communication system involved in the embodiment of the present invention is an IP-based mobile communication system, which integrates various link layer technologies represented by the 4th generation cellular wireless access and implements IP grouping in the IP layer. The system of main technologies such as IP mobility control of end reachability. As a link layer technology, various link layer technologies including advanced cellular systems such as HSDPA (High Speed ​​Downlink Packet Access) and 4th generation wireless access, and wireless LAN are used as IP mobility For control, use improved hierarchical mobile IP (HMIP-B), mobile IP (MIP), FMIP, which is an extension method of mobile IP, and the...

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Abstract

The invention is to provide a mobile node which can be automatically switched to a proper port, a mobile node control method and a mobile node control procedure. In order to solve problems of the prior art, the mobile node comprises a generating unit to generate control information of ports; an informing unit to inform the control information informed by the ports to an upper layer protocol; a path control unit which confirms the informed control information based on connection or updates paths, or both confirms the informed control information and updates paths.

Description

technical field [0001] The present invention relates to a mobile node having a plurality of interfaces and controlling each interface, a control method of the mobile node, and a control program of the mobile node. Background technique [0002] With the progress of the communication system represented by mobile communication, many communication operators provide various communication means. Conditions represented by available places and cost of these communication means are different, and the user mounts a plurality of interfaces on one terminal and can switch them according to the situation. And, with the advancement of IP mobility control technology represented by Mobile IP, users can continue to communicate without being aware of various interfaces. [0003] A mobile node utilizing Mobile IP changes a NIC (Network Interface Card) for packet transmission and reception according to Movement detection or Move detection (for example, refer to Non-Patent Documents 1 and 2). ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/38H04W48/18H04W88/06H04W88/10
Inventor 井上雅广大前浩司冈岛一郎梅田成视
Owner NTT DOCOMO INC
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