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Dialogue management method, terminal, and system

A technology for session management and management functions, which is applied in the field of communication and can solve problems such as relocating UPF entities

Active Publication Date: 2018-08-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present application provides a session management method, terminal and system to solve the problem of how to relocate the UPF entity when the session is in an inactive state in the prior art

Method used

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  • Dialogue management method, terminal, and system
  • Dialogue management method, terminal, and system
  • Dialogue management method, terminal, and system

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Embodiment Construction

[0100] In order to clearly describe the technical solutions of the embodiments of the present invention, in the embodiments of the present invention, words such as "first" and "second" are used to distinguish the same or similar items with basically the same functions and functions. Those skilled in the art can understand that words such as "first" and "second" do not limit the quantity and execution order.

[0101] In the embodiment of the present invention, a PDU session refers to a connection between a UE and a data network for providing connection services, and the connection type may include IP type, Ethernet type (Ethernet type) and non-IP type.

[0102] The idle state or connected state in the embodiment of the present invention refers to the connection management state (Connection Management) of the UE. The UE being in the idle state means that the connection management state of the UE is in the idle state, that is, CM-IDLE.

[0103] The fact that the UE is in the con...

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PUM

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Abstract

The invention provides a dialogue management method, terminal, and system, relates to the technical field of communication, and aims to solve the problem that in the prior art, when a dialogue in an inactivated state, a UPF entity cannot be relocated. The method comprises following steps: establishing first protocol data unit (PDU) dialogue in user equipment (UE); sending service request information to an Action Message Format (AMF) entity; receiving first information sent by the AMF entity by UE; and based on first information, reestablishing or modifying the first PDU dialogue. UE sends service request information to the AMF entity, then the AMF entity sends first information to UE so as to rebuild or modify the first PDU dialogue, and before data for rebuilding first PDU dialogue is transmitted or received, the subsequent transmitted data or received data is not lost.

Description

technical field [0001] The embodiments of the present invention relate to the field of communication technologies, and in particular, to a session management method, terminal and system. Background technique [0002] In the fifth-generation mobile communication technology (5-Generation, 5G), there is a protocol data unit (Protocol Data Unit, PDU) between the user equipment (User Equipment, UE) and the data network (Date Network, DN). The PDU session of the connected service. Generally, the session service continuity modes adopted by the PDU session are: session service continuity mode (Session and Service Continuity mode, SSC mode) 1 and SSC mode 2. [0003] Such as figure 1 as shown, figure 1 It shows the session establishment process of SSC mode 1, that is, the UE sends the first message for indicating the establishment of the session, and the mobility management function (Authentication and Mobility Management Function, AMF) entity selects the session function manageme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/19H04W76/12H04W76/22H04W76/32
CPCH04W76/12H04W76/19H04W76/22H04W76/32H04W76/11H04W80/10H04W60/005H04W64/003
Inventor 窦凤辉何岳金辉欧阳国威杨皓睿
Owner HUAWEI TECH CO LTD
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