The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 2021
Filed:
May. 09, 2017
Huawei Technologies Co., Ltd., Shenzhen, CN;
Fenghui Dou, Beijing, CN;
Yue He, Beijing, CN;
Hui Jin, Beijing, CN;
Guowei Ouyang, Beijing, CN;
Haorui Yang, Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A session management method and system, and a terminal, where the method includes: when a user equipment (UE) has a first protocol data unit (PDU) session, sending, by the UE, a service request message to an access and mobility management function (AMF) entity; receiving, by the UE, a first message sent by the AMF entity; and determining, by the UE based on the first message, to re-establish or modify the first PDU session. In the embodiments of the present disclosure, the UE sends the service request message to the AMF entity, and then the AMF entity sends, to the UE, the first message used to determine to re-establish or modify the first PDU session.