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Switching method, device and system

A technology for handover failure and interface handover, which is applied in the field of handover methods, devices and systems, can solve problems such as unspecified handling methods, and achieve the effect of improving integrity

Active Publication Date: 2011-03-30
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] (2) Only UEs that are allowed by authentication are supported (Only UEs that are authenticated areallowed): UE must have a valid IMSI (International Mobile Subscriber Identity, International Mobile Subscriber Identity Code), UE authentication is successful, but may be located in a cell with restricted services under restricted business status
If the target cell selected by the source eNB for the UE cannot provide emergency services for the UE, there is no relevant processing method specified in the existing protocol

Method used

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  • Switching method, device and system
  • Switching method, device and system
  • Switching method, device and system

Examples

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Embodiment Construction

[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0051] Such as figure 1 As shown, it is a flowchart of a handover method in Embodiment 1 of the present invention, including the following steps:

[0052] Step 101, when a mobility management entity receives a message that a handover occurs in a user equipment, it judges whether the user equipment bears an emergency service.

[0053] Step 102, if the user equipment bears the emergency service, the mobility management entity judges that the target cell...

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Abstract

The embodiment of the invention discloses a switching method, which comprises the following steps that: when a moving management entity receives messages that user equipment is switched, whether the emergency service is carried by the user equipment or not is judged; and if the user equipment carries the emergency service, the moving management entity judges whether the emergency service of the user equipment can be supported by a target cell switched by the user equipment or not, and when the target cell does not support the emergency service of the user equipment, the moving management entity returns the response message and indicates that the target cell does not support the emergency service. The embodiment of the invention has the following advantages that when the emergency service of the UE (user equipment) is not supported by the target cell, the processing method in the protocol process is supplemented, and the completeness of the protocol is improved.

Description

technical field [0001] The present invention relates to the technical field of mobile communication, in particular to a switching method, device and system. Background technique [0002] The emergency bearer service is used to provide an emergency session supporting IMS (IP Multimedia Subsystem, Internet Protocol Multimedia Subsystem), and may be applicable to a normally attached UE (User Equipment, user equipment), or may be applicable to a UE in restricted mode. The UE's emergency bearer service is related to local configuration and has nothing to do with subscription information. When the UE is in the restricted service mode, the MME judges whether to accept the UE's emergency attach request or reject the UE's emergency attach request according to the support level of the emergency service mode. Restricted service mode refers to the state of the UE that only allows emergency calls. When the UE cannot find a suitable cell (suitable cell) to reside, or the UE has not inser...

Claims

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Application Information

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IPC IPC(8): H04W4/22H04W36/00H04W4/90
Inventor 张娟徐晖
Owner DATANG MOBILE COMM EQUIP CO LTD
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