A method, device and system for determining PCF

A technology of functions and network elements, which is applied in the field of determining PCF and can solve problems such as high signaling overhead.
CN109673005BActive Publication Date: 2021-07-09HUAWEI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HUAWEI TECH CO LTD
Publication Date
2021-07-09

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Abstract

Embodiments of the present invention provide a method, device, and system for determining PCF, which relate to the field of communication technologies and can reduce signaling overhead required for determining PCF to a certain extent. The method includes: when the first AMF receives the PCF identification information sent by the second AMF, and there is a target PCF in the PCF corresponding to the PCF identification information, the first AMF acquires policy information from the target PCF, wherein the PCF identification information includes at least Identification information of a first PCF, where the identification information of the first PCF includes at least one of the IP address of the first PCF, the IP prefix of the first PCF, and the FQDN of the first PCF, and the first AMF is the The AMF that provides services for the secondary access network, and the second AMF is the AMF that provides services for the terminal's last access to the network. The method is applied in the process of the terminal accessing the network.
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Description

[0001] This application claims the priority of the Chinese patent application with the application number 201710967538.3 and the application title "A Method, Device and System for Determining PCF" filed with the China Patent Office on October 17, 2017, the entire contents of which are incorporated herein by reference In this application. technical field

[0002] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a method, device and system for determining PCF. Background technique

[0003] With the rapid development of communication technology, the network using the fifth generation (5G) mobile communication technology (hereinafter referred to as 5G network) is being designed and developed. In order to meet the different service requirements of the terminal, the terminal can provide Different policies control services.

[0004] At present, in the 5G network, a policy control function (policy control function, PCF) c...

Claims

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