Circuit switching domain rollback method and device

A circuit-switched domain and mobile switching center technology, applied in the field of circuit-switched domain fallback methods and devices, can solve the problem that paging does not provide an effective solution, etc.

Inactive Publication Date: 2012-05-09
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In the prior art, if there is an MSC pool in the system, how to realiz

Method used

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  • Circuit switching domain rollback method and device
  • Circuit switching domain rollback method and device
  • Circuit switching domain rollback method and device

Examples

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Embodiment Construction

[0036] The paging method provided by the embodiment of the present invention will be described in detail below.

[0037] Combine below figure 1 A circuit switching domain fallback method provided by an embodiment of the present invention is described in detail. Such as figure 1 As shown, the method includes:

[0038] Step 101, the mobile switching center MSC sends the first paging message to the mobility management entity MME, and the first paging message includes the IMSI (International Mobile Subscriber Identifier, International Mobile Subscriber Identifier) ​​information of the user equipment UE; The controller sends a second paging message, where the second paging message includes the IMSI information of the UE;

[0039] Step 102, the controller of the access network receives the second paging message, and determines the corresponding relationship between the MSC and the UE;

[0040] Step 103, the MME receives the first paging message, and controls the UE to perform CS...

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PUM

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Abstract

The invention discloses a circuit switching domain rollback method and device, and is applicable to the field of communication. The method comprises steps as follows: an MSC (mobile switching center) transmits a first paging message to an MME (mobile management entity) and transmits a second paging message to an access network controller, and the access network controller receives the second paging message and determines the corresponding relationship between the MSC and the UE; the MME controls the UE to carry out CSFB (circuit switched fallback) and transmits a first paging response message to the access network controller; and the access network controller determines the MSC according to IMSI (international mobile subscriber identity) information in the first paging response message and the corresponding relationship between the MSC and the UE, and transmits a second paging response message to the MSC. When the CSFB is carried out, the BSC (base station controller) or RNC (radio network controller) can correctly determine which MSC in the MSC cell should the paging response be transmitted to.

Description

technical field [0001] The present invention relates to communication technology, and in particular to a fallback method and device for a circuit switching domain. Background technique [0002] The existing communication network is committed to providing a low-cost network that can reduce delay, increase user data rate, increase system capacity and coverage, such as LTE (Long Term Evolved, long-term evolution) network, UMTS (Universal Mobile Telecommunications System universal mobile Communication System) network or GSM (Global System for Mobile Communications) network. [0003] A technology is provided in the prior art, which enables UE (User Equipment) to go to a non-current network to process CS (Circuit Switched Circuit Switched) domain services. This technology is called CSFB (CS fallback, CS fallback) . For example, through this technology, UE (User Equipment) can fall back to 2G (2G) when serving on the LTE network. nd Generation second generation mobile communica...

Claims

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Application Information

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IPC IPC(8): H04W8/02H04W64/00H04W68/00
CPCH04W24/04
Inventor 刘海吴晓波夏庆凡
Owner HUAWEI TECH CO LTD
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