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Method, device and network for network re-registration of Internet protocol multimedia subsystem (IMS)

A multimedia subsystem and Internet Protocol technology, applied in the transmission system, network data management, electrical components, etc., can solve the problems of heavy load of IMS equipment in the core network, long time-consuming re-registration, complicated signaling process, etc. Improve the interaction process, improve the experience of delay, and ensure the effect of security

Active Publication Date: 2011-03-30
CHINA MOBILE COMM GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0016] As can be seen, figure 1 The signaling process in the registration process shown is very complicated. Therefore, the IMS network re-registration in the prior art has disadvantages such as long registration time, heavy load of core network IMS equipment, and poor user experience.

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  • Method, device and network for network re-registration of Internet protocol multimedia subsystem (IMS)
  • Method, device and network for network re-registration of Internet protocol multimedia subsystem (IMS)

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Embodiment Construction

[0068] Aiming at the problems existing in IMS network re-registration in the prior art, the present invention proposes an optimized IMS network re-registration method, using the registered user information database of the P-CSCF to store the information of the S-CSCF of the registered UE , which simplifies the forwarding process of the re-registration (Register) message and the S-CSCF query process, thereby reducing the signaling interaction during the re-registration process, reducing the load on the core network IMS equipment, and improving the user's response to the re-registration process. Latency experience.

[0069] The method for IMS network re-registration provided by the present invention comprises the following steps:

[0070] Step A, the P-CSCF receives the Register message for requesting IMS registration or re-registration sent by the user equipment UE in the IMS domain;

[0071] Step B, the P-CSCF judges whether the user identity of the UE exists in the locally s...

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Abstract

The invention provides a method, device and network for a network re-registration of an Internet protocol multimedia subsystem (IMS). In the method, S-CSCF information of registered user equipment (UE) saved in a registered user information database by using P-CSCF is adopted, a re-registration massage sent by the UE in the IMS domain is directly forwarded, thereby reducing the signalling interaction in the re-registration process, reducing the loading of an IMS device in a core net, and improving the experience of users on time delay in the re-registration process.

Description

technical field [0001] The present invention relates to the technical field of Internet Protocol Multimedia Subsystem (IMS, IP Multimedia Subsystem), in particular to an IMS network re-registration method, device and network. Background technique [0002] The IMS specified by the 3rd Generation Partnership Project (3GPP) is proposed to support multimedia sessions and other services based on the Session Initiation Protocol (SIP, Session Initiation Protocol) in the 3G core network. Communication and Internet technologies are organically combined to provide users with a next-generation communication network with carrier-class quality of service (QoS) guarantees and comprehensive services. Its main feature is that it adopts the SIP protocol and is independent of access and bearer technologies. [0003] 3GPP stipulates that a user equipment (UE, User Equipment) needs to complete a registration process to use services provided by an IMS network. The IMS registration process and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04W8/02H04W12/06
Inventor 高东辉韦东刘贺林
Owner CHINA MOBILE COMM GRP CO LTD
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