US 12,232,069 B2
Policy control function network element selection method, apparatus, system, and storage medium
Haiyang Sun, Beijing (CN); and Chunshan Xiong, Shenzhen (CN)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Jan. 31, 2022, as Appl. No. 17/588,745.
Application 17/588,745 is a continuation of application No. PCT/CN2020/103808, filed on Jul. 23, 2020.
Claims priority of application No. 201910694362.8 (CN), filed on Jul. 30, 2019.
Prior Publication US 2022/0159606 A1, May 19, 2022
Int. Cl. H04W 60/00 (2009.01); H04W 8/08 (2009.01)
CPC H04W 60/00 (2013.01) [H04W 8/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving, by an access and mobility management function network element, a registration request message from a terminal device, wherein the registration request message comprises a first identifier of the terminal device;
obtaining, by the access and mobility management function network element based on the first identifier of the terminal device and received from a unified data management network element, a second identifier of a policy control function network element currently serving the terminal device and a first network identifier of the policy control function network element; and
determining, by the access and mobility management function network element, that the policy control function network element is a target policy control function network element in response to determining a second network identifier of the access and mobility management function network element being consistent with the first network identifier of the policy control function network element received from the unified data management network element.