US 11,689,565 B2
Device monitoring method and apparatus and deregistration method and apparatus
Yong Wang, Shenzhen (CN); Li Hu, Shanghai (CN); and Jing Chen, Shanghai (CN)
Assigned to Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Jun. 15, 2020, as Appl. No. 16/901,176.
Application 16/901,176 is a continuation of application No. PCT/CN2019/084382, filed on Apr. 25, 2019.
Claims priority of application No. 201810510495.0 (CN), filed on May 24, 2018.
Prior Publication US 2020/0314140 A1, Oct. 1, 2020
Int. Cl. H04L 9/40 (2022.01); H04W 24/08 (2009.01); H04W 60/06 (2009.01); H04W 12/122 (2021.01)
CPC H04L 63/1458 (2013.01) [H04W 12/122 (2021.01); H04W 24/08 (2013.01); H04W 60/06 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A method, comprising:
receiving, from an access and mobility management function (AMF) network element, signaling plane data exchanged between a terminal device and a core network element;
obtaining location information of the terminal device; and
determining, based on the location information of the terminal device and attribute information of the signaling plane data, whether the terminal device has initiated a denial of service (DoS) attack.