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Method and system for updating and switching terminal position

A terminal location and terminal technology, applied in the field of communication, can solve the problems of poor business consistency, complex signaling process, and large amount of network reconstruction, and achieve the effect of ensuring consistency, continuity, and good service experience.

Active Publication Date: 2013-05-15
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Embodiments of the present invention provide a method and system for terminal location update and switching, which solves the problems of large amount of network reconstruction, poor service consistency, and complicated signaling process when realizing the interworking of the user's softswitch service and IMS service, ensuring that the terminal Service consistency during location update, and service continuity during terminal handover

Method used

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  • Method and system for updating and switching terminal position
  • Method and system for updating and switching terminal position
  • Method and system for updating and switching terminal position

Examples

Experimental program
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Effect test

Embodiment 1

[0063] Embodiment 1 of the present invention is to use the EMSC proposed by the present invention to realize the scheme that the terminal in the softswitch network runs the contract service in the IMS network and the contract service in the softswitch network at the same time. For the convenience of description, the terminal in the softswitch network is called As a terminal, the EMSC in the embodiment of the present invention can also be regarded as an improvement on the MSC, so it is also called the MSC.

[0064] In the first embodiment, assuming that the current terminal is located in the first MSC control area, the method of providing the service capability of the contracted service in the first embodiment is as follows Figure 5 shown, including the following steps:

[0065] Step 101: the first MSC receives the call establishment request sent by the terminal.

[0066] When the terminal is turned on or moves to the area controlled by the first MSC, it sends a call establis...

Embodiment 2

[0089] The first MSC and the second MSC in the subsequent embodiments of the present invention are both EMSCs proposed in the present invention, wherein the first MSC is the source MSC before the terminal moves, and the second MSC is the destination MSC after the terminal moves. The base station controller (BSC) and the first visitor location register (VLR) are network elements controlled by the first MSC and connected to the first MSC, and the second BSC and the second VLR are controlled by the second MSC and connected to the second MSC network element. Among them, the VLR and MSC can be integrated together or set separately.

[0090] Considering that when the terminal moves from the area controlled by the first MSC to the area controlled by the second MSC in the network environment of the first embodiment, due to the mobility management feature in the IMS network, the anchoring between the AS and the first MSC The relationship still exists, and the AS still believes that th...

Embodiment 3

[0116] The third embodiment of the present invention is a detailed description of when the terminal moves from the first MSC control area to the second MSC control area in the second embodiment of the present invention through specific examples.

[0117] Such as Figure 7 As shown, it is a schematic diagram of a signaling flow in Embodiment 3 of the present invention, including the following steps:

[0118] Step 301: When the terminal moves to the area controlled by the second MSC, it sends a location update message (Location Update Request) to the second MSC.

[0119] Step 302: the second MSC sends a location update MAP message (MAP LocationUpdate Request) to the second VLR.

[0120] Step 303: the second VLR sends the location update MAP message to the HLR to which the terminal belongs.

[0121] Step 304: The HLR sends a MAP message (MAP CancelLocation) for location deletion to the first VLR.

[0122] Step 305: the first VLR sends an anchor relationship release message (Ca...

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Abstract

The invention discloses a method and system for updating and switching a terminal position. The method comprises the following steps of: enabling an MSC (Mobile Switching Center) to trigger an AS (Application Server) in an IMS (Information Management System) network and an SCP (Service Control Point) in a soft switched network to perform service logic processing simultaneously while keeping the service processing capability of the conventional MSC in the soft switched network, so that problems in the soft switched network under an ICS (Internet Connection Sharing) structure are solved; furthermore, when a terminal is moved from a first MSC control area to a second MSC control area, releasing the anchoring relation between the first MSC and the AS and establishing the anchoring relation between the second MSC and the AS, so that an IMS service capability provided by the AS is not be influenced when the mobile terminal is moved to each MSC control area, and the terminal can enjoy the same service capability in any area.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and system for updating and switching terminal locations. Background technique [0002] With the continuous development of communication services, softswitch terminals may subscribe to multiple services. For example, softswitch terminals may subscribe to services provided by the softswitch network and services provided by the IP Multimedia Subsystem (IMS). In order to enable softswitch users to use services provided by the IMS, an existing standard proposes a softswitch upgrade solution using an IMS Centralized Services (ICS) architecture. [0003] Such as figure 1 As shown, it is a schematic diagram of the ICS architecture. In the ICS architecture, the traditional mobile switching center server (MSC Server) is transformed and upgraded to a mobile access gateway control function (mobile access gateway control function, mAGCF). from figure 1 It can be seen from the fi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/18H04W76/04H04L29/06
Inventor 薛海强赵毓毅段晓东魏冰周安
Owner CHINA MOBILE COMM GRP CO LTD
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