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Message transmission method and device

A message transmission and message technology, applied in the field of message transmission, can solve problems such as load imbalance and achieve the effect of improving service quality

Active Publication Date: 2018-11-13
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present application provides a method and device for message transmission, which can solve the problem of unbalanced load caused by the session management function device sending UE-related downlink messages to the first device that served the UE last time.

Method used

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  • Message transmission method and device

Examples

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example 3

[0139] It should be noted that after the SMF device sends the downlink message to the AMF instance 2 found according to the AMF group ID, the AMF instance 2 can also reselect an AMF instance for the UE, such as AMF instance 3, and send the message to the AMF instance 3. A downlink message, or send the identifier of the AMF instance 3 to the SMF device, and the SMF device sends the downlink message to the AMF instance 3.

[0140] Wherein, the process of subsequent processing of the downlink message after the AMF instance 2 receives the downlink message is the same as that of the prior art, and will not be repeated here.

[0141] It should be noted that, in subsequent procedures, after the UE re-enters the connected state, steps 610 to 611 may also be performed.

[0142] 610. The AMF instance 2 sends a response message to the SMF device, where the response message includes interface information between the AMF instance 2 and the SMF device, and the SMF device receives the respon...

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Abstract

The application discloses a message transmission method and a message transmission device, relating to the technical field of communications and capable of solving the problem of unbalanced load between equipment serving UE. The method provided by the application comprises: the session management function equipment receives a deletion indication from the first equipment and the indication information of the group to which the first equipment belongs, and deletes the second interface information in the UE session context according to the deletion indication in the case that the session management function equipment receives the first interface release message from the first equipment; then, when a downlink message needs to be sent, the session management function equipment sends the downlink message to the second equipment, wherein the second equipment is determined according to the indication information of the group for serving the UE. This application is applicable to the process ofmessage transmission.

Description

[0001] This application claims the priority of the Chinese patent application with the application number 201710305752.2 and the title of the invention "a method and device for message transmission" submitted to the China Patent Office on May 3, 2017, the entire contents of which are incorporated in this application by reference middle. technical field [0002] The present application relates to the technical field of communication, and in particular to a method and device for message transmission. Background technique [0003] In the 4th Generation mobile communication (4G), the Serving Gateway (Serving GateWay, SGW) can save the session context of the user equipment (User Equipment, UE), and the session context of the UE includes the The IP address of the Mobility Management Entity (MME), when the SGW needs to send a UE-related downlink message to the MME, it can obtain the IP address of the MME serving the UE from the saved session context of the UE address, and then sen...

Claims

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Application Information

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IPC IPC(8): H04W28/08
CPCH04W28/082
Inventor 朱奋勤吴问付
Owner HUAWEI TECH CO LTD
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