Method and system, and terminal for locating a user plane function (UPF) entity when a session is an inactive state
US11206700B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2017 |
| Grant date | Dec 21, 2021 |
| Priority date | — |
| Expiry date | Jun 27, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/19
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.