Method, equipment and system for synchronizing user context

A technology of user equipment and context, applied in the field of evolved packet system of mobile communication, which can solve the problem of large amount of air interface signaling

Active Publication Date: 2011-04-27
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the present invention provides a user context synchronization method, device and system to solve the problem of large amount of air interface signaling existing in existing solutions

Method used

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  • Method, equipment and system for synchronizing user context
  • Method, equipment and system for synchronizing user context
  • Method, equipment and system for synchronizing user context

Examples

Experimental program
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Embodiment Construction

[0042] The present invention abandons the scheme in which the UE participates in user context synchronization in the existing scheme, but at an appropriate time, one of the mobility management control entities or the Serving GW, the user plane termination point of the UE in an idle state, initiates user context synchronization to another mobility management control entity. Context synchronization process.

[0043] see figure 2 , which is a flow chart of the user context synchronization method provided by the present invention, including:

[0044] S201: The first mobility management control entity and the second mobility management control entity in the EPS system activate the ISR function of the UE, wherein the Serving GW in the EPS system serves as a user plane termination point of the UE in an idle state;

[0045] During the interface release process between the first mobility management control entity and the radio access network, perform the following S202 and S203:

[...

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Abstract

The invention discloses a method, equipment and a system for synchronizing a user context, which are used for an evolution packet system (EPS) which activates the idle state signaling reduction (ISR) function of user equipment (UE). The EPS comprises a first mobile management control entity, a second mobile management control entity and a serving gateway (GW), wherein the serving GW is used as a user plane terminal node of the UE under the idle state. In the process of the release of the interface between the first mobile management control entity and a wireless access network, the method forsynchronizing the user context comprises the following steps: the first mobile management control entity or the serving GW sends the user context synchronizing command information to the second mobile management control entity, and the second mobile management control entity uses the EPS in the user context synchronizing command information to bear the user context and update the user context perse. The invention reduces the signaling amount of an empty interface during the movement of the UE under the idle state.

Description

technical field [0001] The present invention relates to the technical field of Evolution Packet System (EPS) of mobile communication, and in particular to a user context synchronization method, device and system. Background technique [0002] For a schematic diagram of the EPS (Evolved Packet System) architecture of the third generation cooperation project 3GPP (Third Generation Partnership Project), see figure 1 , where E-UTRAN is used to implement all functions related to the evolved network; the mobility management entity (Mobility Management Entity, MME) is mainly responsible for mobility management and session management, including user context and mobility state management, and assigning temporary identifiers for user identities etc.; Serving Gateway (ServingGateway, Serving GW) is the user plane entity for UE (User Equipment, UE) to access the core network, and terminates the interface of E-UTRAN; Packet Data Network Gateway (Packet Data NetworkGateway, PDN GW) is the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W8/08H04W28/06H04W60/00H04W92/24
Inventor 熊春山
Owner DATANG MOBILE COMM EQUIP CO LTD
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