US Patent No. 10,973,082

REGISTRATION METHOD, SESSION ESTABLISHMENT METHOD, TERMINAL, AND AMF ENTITY


Patent No. 10,973,082
Issue Date April 06, 2021
Title Registration Method, Session Establishment Method, Terminal, And Amf Entity
Inventorship Haorui Yang, Shenzhen (CN)
Hui Jin, Beijing (CN)
Guowei Ouyang, Beijing (CN)
Yue He, Beijing (CN)
Fenghui Dou, Beijing (CN)
Xiaojuan Li, Beijing (CN)
Assignee HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)

Claim of US Patent No. 10,973,082

1. A session establishment method implemented by an access and mobility management function (AMF) entity, the method comprising:receiving, from a terminal, a first message comprising first network slice selection information, second network slice selection information, and information for requesting to establish a protocol data unit (PDU) session;
determining a first session management control function (SMF) entity in a visited public land mobile network (VPLMN) based on the first network slice selection information;
determining a second SMF entity in a home public land mobile network (HPLMN) based on the second network slice selection information; and
sending a second message to the terminal, wherein the second message comprises PDU session establishment accept information.