Communication method and device, and system

A communication method and technology of a communication device, applied in the field of communication, can solve the problems that SMF network elements cannot perceive PDU sessions, cannot verify PDU session establishment/modification requests, etc., and achieve the effect of improving admission control capability.

Active Publication Date: 2020-12-15
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] The embodiment of this application provides a communication method, device and system, which can solve the problem that the SMF network element cannot perceive the PDU session establishment / modification request message initiated by the terminal. URSP rules, so it is impossible to verify whether the PDU session establishment / modification request initiated by the terminal complies with the URSP rules, which can improve the access control capability of the network side to the terminal behavior

Method used

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  • Communication method and device, and system
  • Communication method and device, and system
  • Communication method and device, and system

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Embodiment Construction

[0109] The technical solution in this application will be described below with reference to the accompanying drawings.

[0110] The technical solutions of the embodiments of the present application can be applied to various communication systems, such as long term evolution (long termevolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system ), worldwide interoperability formicrowave access (WiMAX) communication system, fifth generation (5th generation, 5G) mobile communication system, such as NR system, and future communication systems, such as 6G system, etc.

[0111] The present application presents various aspects, embodiments or features in terms of a system that can include a number of devices, components, modules and the like. It is to be understood and appreciated that the various systems may include additional devices, components, modules, etc. and / or may not include all of...

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Abstract

The invention provides a communication method and device, and a system, which can improve the admission control capability of a network side to terminal behaviors. The method comprises the following steps: a mobility management network element receives a first session request message from a terminal; wherein the first session request message carries user routing selection strategy URSP identification information. Then, the mobility management network element acquires URSP policy information based on the URSP identification information. Then, the mobility management network element sends a second session request message to the session management network element. Wherein the second session request message carries URSP policy information, and the URSP policy information is used for making a policy rule for the terminal.

Description

technical field [0001] The present application relates to the communication field, and in particular to a communication method, device and system. Background technique [0002] In the current 5th generation (5th generation, 5G) communication system, when the terminal judges that it needs to initiate a service or application, it can match the flow description in the received user equipment routing selection policy (URSP) rule Information is matched, and the data network name (data network name, DNN) and single network slice auxiliary information (single network slice selection assistance information, S-NSSAI) indicated by the URSP rule that matches successfully, such as DNN1 and S-NSSAI1, are used as A protocol data unit (protocoldata unit, PDU) session parameter, and initiates a PDU session establishment / modification request (PDU session establishment / modification request) message to a session management function (session management function, SMF) network element. Correspon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W76/10H04W76/11
CPCH04W76/10H04W76/11H04W76/12H04W76/22H04W40/02H04W40/24H04W8/06H04W8/26H04W48/18
Inventor 丁辉
Owner HUAWEI TECH CO LTD
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