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Mobility managing method and mobile terminal

A mobile terminal, destination technology, applied in network data management, automatic exchange, digital transmission system, etc., can solve problems such as the lack of flexibility of the Internet

Inactive Publication Date: 2009-07-29
PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a problem that the Internet, which is a freely distributed network including these mobile communication networks, lacks flexibility

Method used

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  • Mobility managing method and mobile terminal
  • Mobility managing method and mobile terminal
  • Mobility managing method and mobile terminal

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0071] Embodiment 1 of the present invention will be described using FIGS. 1 to 22 .

[0072] FIG. 1 to FIG. 3 and FIG. 14 show schematic diagrams of the network structure of the mobile communication system according to the present invention. In FIG. 1 to FIG. 3, area networks 1, 2, and 3 are area networks with different service forms. In particular, the area network 1 is the area network selected and determined by the mobile terminal (MN) 10, and the area networks 2, 3 are external area networks. Home agent devices (HA) 50-1, 50-2, 50-3 are used to manage area networks 1, 2, 3 respectively. In particular, the home agent device 50 - 1 is a master home agent device (M-HA) to manage the home area network of the mobile terminal 10 . Meanwhile, the home agent devices 50-2, 50-3 are secondary home agent devices (HA-1, HA-2) located on other area networks than the home area network. Simultaneously, the local area network system (DNS) server 20 makes a host name and an IP address ...

Embodiment 2

[0192] FIG. 20 shows the network structure of a mobile communication system in Embodiment 2 of the present invention.

[0193] The difference between this embodiment and Embodiment 1 is that multiple master home agent devices (master home agent devices 50-4, 50-5) are provided. In addition, the devices used to configure this mobile communication system are the same as those described in Embodiment 1.

[0194] Next, a mobile communication method in the mobile communication system thus constituted will be described.

[0195] The mobile terminal 10 has HoA-M1 and HoA-M2 (corresponding to the primary home agent devices 50-4 and 50-5, respectively) as primary home addresses. In this case, the mobile terminal 10 registers the secondary home address HoA-S and the care-of address CoA-S obtained by accessing the moved-in area network 6 into the secondary home agent device 50 - 6 of the area network 6 . At the same time, the mobile terminal 10 registers the main home address HoA-M1 an...

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Abstract

In a mobile communication system using a mobile IP, a mobile terminal (10) determines a main home agent (50-1) and a main home address. When the mobile terminal (10) moved to a network (2) different in service form, a home address for use on a movedin domain network is registered as a primary care of address to the main home agent (50-1), thereby enabling communications by using the main home address even upon accessed from the other than the belonging domain network (2). This makes it possible to flexibly cope with an incoming call from the external by the use of a representative home address even on the Internet as a distributed network.

Description

[0001] This application is a divisional application of the invention patent application with the application number 03804887.6 and the invention title "Mobile Management Method and Mobile Terminal" submitted on July 25, 2003. technical field [0002] The present invention relates to a mobile management method and a mobile terminal in a mobile communication system whose purpose is to access the Internet. The mobile management method and the mobile terminal can support the change of home address, so communications can be made to an address that is publicly notified. Background technique [0003] Mobile IP is used as a mobile management method in the Internet system. Mobile IPv4 corresponding to IPv4 (Internet Protocol version 4) is standardized in RFC3220 (IP Mobility Support). Meanwhile, Mobile IPv6 corresponding to IPv6 (Internet Protocol Version 6) in Internet Draft draft-ietf-mobileip-ipv6 (IPv6 Mobile Support) is under standardization. These protocols enable communicati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W8/06H04W8/26H04L12/56H04M3/00H04W8/02
Inventor 池田新吉船引诚
Owner PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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