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Mobility managing method and mobile terminal

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

Inactive Publication Date: 2005-07-13
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
Effect test

Embodiment 1

[0070] use Figure 1 to 22 The first embodiment of the present invention will be described.

[0071] Figure 1 to Figure 3 and Figure 14 A schematic diagram of the network structure of the mobile communication system according to the present invention is given. in Figure 1 to Figure 3 Among them, the 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 and 3 are external area networks. Home agent equipment (HA) 50-1, 50-2, and 50-3 are used to manage area networks 1, 2, and 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. At the same time, the home agent devices 50-2, 50-3 are secondary home agent devices (HA-1, HA-2) located on other regional networks than the home regional network. At the same time, the regional network s...

Embodiment 2

[0191] FIG. 20 shows the network structure of a mobile communication system in Embodiment 2 of the present invention.

[0192] This embodiment is different from Embodiment 1 in that multiple master home agent devices (master home agent devices 50-4, 50-5) are provided. In addition, the equipment used to configure the mobile communication system is the same as that described in the first embodiment.

[0193] The mobile communication method in the mobile communication system thus configured is described below.

[0194] The mobile terminal 10 owns 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 into the regional network 6 in the secondary home agent device 50-6 of the regional network 6. At the same time, the mobile terminal 10 registers the primary home address HoA-M1 a...

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Abstract

In a mobile communication system using Mobile IP, a mobile terminal (10) determines a main home agent (50-1) and a main home address. When the mobile terminal (10) moves to a network (2) with different service forms, the home address used on the moved-in area network is registered as the initial care-of address to be sent to the main home agent (50-1), thus When accessing from a network other than the belonging area network (2), communication can be performed by using this primary home address. Even on the Internet which is a distributed network, incoming calls from the outside can be flexibly handled by using representative home addresses.

Description

Technical field [0001] The present invention relates to a mobility management method and a mobile terminal in a mobile communication system whose purpose is to access the Internet. The mobility management method and the mobile terminal can support when the mobile terminal roams between mobile communication networks with different service forms. The home address is changed, so communication can be carried out according to a publicly notified address. Background technique [0002] Mobile IP is used as a mobile management method in the Internet system. Standardize mobile IPv4 corresponding to IPv4 (Internet Protocol Version 4) in RFC3220 (IP Mobility Support). At the same time, the mobile IPv6 corresponding to IPv6 (Internet Protocol Version 6) in the Internet draft draft-ietf-mobileip-ipv6 (IPv6 mobile support) is being standardized. Even if the mobile terminal is roaming between different networks, these protocols can communicate by using the same address. [0003] In Mobile IPv6,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L45/85H04M3/00H04W8/04H04W8/06H04W8/26H04W36/14H04W40/34H04W60/00H04W60/04H04W64/00H04W80/04H04W88/08H04W88/14
CPCH04W8/065H04W60/04H04W80/04
Inventor 池田新吉船引诚
Owner PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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