Session establishment method, device and system

A technology for session establishment and session management, which is applied in the communication field and can solve problems such as inseparable NAS message user plane establishment and limited application

Active Publication Date: 2019-07-09
HUAWEI TECH CO LTD
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Problems solved by technology

[0006] The embodiment of the present application provides a session establishment method, device, and system, which can solve the problem ...

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  • Session establishment method, device and system
  • Session establishment method, device and system
  • Session establishment method, device and system

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Embodiment Construction

[0057] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Among them, in the description of this application, unless otherwise specified, " / " means or means, for example, A / B can mean A or B; "and / or" in this article is only a kind of association describing associated objects A relationship means that there may be three kinds of relationships, for example, A and / or B means: A exists alone, A and B exist simultaneously, and B exists alone. And, in the description of the present application, unless otherwise specified, "plurality" means two or more than two. In addition, in order to clearly describe the technical solutions of the embodiments of the present application, in the embodiments of the present application, words such as "first" and "second" are used to distinguish the same or similar items with basically the same function and effect. Those skilled in...

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Abstract

The embodiment of the invention provides a session establishment method, device and system, and can solve the problems that NAS message transmission cannot be separated from user plane establishment of a session and application of certain scenes is limited in the prior art. The method comprises the steps that a terminal sends a first non-access stratum NAS message to first access network equipmentcorresponding to a first access technology, wherein the first NAS message is used for requesting to establish a session; the terminal receives a second NAS message from the first access network device, wherein the second NAS message carries an identifier of a user plane function network element; and the terminal initiates a session establishment process between the terminal and the user plane function network element through a second access technology according to the identifier of the user plane function network element.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a method, device and system for establishing a session. Background technique [0002] In order to meet the challenges of wireless broadband technology and maintain the leading edge of the 3rd generation partnership project (3GPP) network, the 3GPP standard group formulated the next generation mobile communication system (next generation system) network architecture at the end of 2016, called the 3rd generation partnership project (3GPP) network architecture. 5th generation (5G) network architecture. This architecture not only supports terminal access to 5G core network (5G core network, 5GC) through 3GPP access technology, but also supports terminal access to 5GC through non-3GPP (non-3GPP) access technology. [0003] At present, the process of terminal access to 5GC can be divided into registration process and session establishment process. Among them, in ...

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Application Information

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IPC IPC(8): H04W76/11
CPCH04W60/00H04W76/11H04W76/20H04W76/10H04W8/24H04W72/04
Inventor 于游洋蒋铭
Owner HUAWEI TECH CO LTD
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