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IMS (IP Multimedia Subsystem) system mobility management method based on IPv6

A technology of proxy mobility and management method, which is applied in the field of mobility management of IMS system based on proxy mobile IPv6, and can solve problems such as bandwidth occupation

Inactive Publication Date: 2012-03-14
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the location of the MN changes, the MN needs to update the binding entries in the HA and the CN through signaling interaction. Each update will have a large amount of signaling transmission and occupy a large amount of bandwidth.

Method used

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  • IMS (IP Multimedia Subsystem) system mobility management method based on IPv6
  • IMS (IP Multimedia Subsystem) system mobility management method based on IPv6
  • IMS (IP Multimedia Subsystem) system mobility management method based on IPv6

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Embodiment Construction

[0078] The invention proposes a PMIPv6-based mobility management method for an IMS system. The basic idea of ​​this method is: integrate the IMS domain with PMIPv6, the PMIPv6 network provides the bearer of SIP signaling and media data, and the core part of IMS controls the session and business.

[0079] Provide a specific example of the present invention below, and combine Figure 4 Specific embodiments of the present invention will be described in detail.

[0080] 1. IMS session process

[0081] a) Network access and user authentication process

[0082] After the UEA is powered on, it will connect to the access router MAG through the access network, and register with the LMA to obtain the address HoA:5555::2001:2002:2003:2004 assigned by the LMA.

[0083] b) IMS registration process

[0084] The user HoA of UEA is identified as: 12345user1.home1.net. The HoA of UEA is 5555::2001:2002:2003:2004:.

[0085] (1) When starting registration, UEA sends a REGISTER message to P...

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Abstract

The invention relates to an IMS (IP Multimedia Subsystem) system mobility management method based on an IPv6. The purpose of the invention is realized in such a way which comprises the steps: (1) a proxy mobile IPv6 network serves as a bearing network of SIP signalings and media; (2) the IMS (IP Multimedia Subsystem) system mobility management method fully makes use of an advantage of a grant address space of the IPv6 to allocate one unique and permanent IPv6 address which is called home address of a user for each mobile user; the home address of the user is allocated by an operator of a network where the registration location belongs; and the home address of the user not only can serve as an identity identification of the user, but also can serve as the IPv6 address of calling session control module of the registration location where the SIP information routes to; and (3) the mobility management switched in a user domain is in the charge of the proxy mobile IPv6; the mobility management switched among domains is in the charge of both the proxy mobile IPv6 and IMS system. By utilizing the proxy mobile IPv6 as the bearing network of the IMS, the IMS (IP Multimedia Subsystem) system mobility management method based on an IPv6 disclosed by the invention has the advantages of reducing signaling consumption and supporting the mobility better, with respect to the GPRS (General Packet Radio Service).

Description

technical field [0001] The invention relates to the communication field, in particular to an IMS system mobility management method based on proxy mobile IPv6. Background technique [0002] With the development of the Internet, IPv4 addresses have been exhausted, and the lack of address space will seriously limit the development of the Internet. In this case, IPv6 has received more and more attention. IPv6 has an almost unlimited address space, claiming to be able to assign an IP address to every grain of sand on the earth. In addition, compared with IPv4, IPv6 has more advantages: improve the overall throughput of the network, improve the quality of service (QoS), ensure better security, support plug and play and mobility, and better realize multicast Function. [0003] The value of the Internet is reflected in the applications it carries, and mobile communication is a killer application carried by the Internet. Using the IPv6 network as the bearer network of mobile comm...

Claims

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Application Information

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IPC IPC(8): H04W8/06H04W12/06H04W36/00
Inventor 马争鸣王可张飞王波涛王琳张荀梁艳盈梁雨淇黄燕美
Owner SUN YAT SEN UNIV
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