Session management method and system, and terminal for locating a user plane function (UPF) entity when a session is an inactive state
US11805559B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2021 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Nov 16, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W76/19
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Embodiments of the present application relate to the field of communications technologies, and provide a session management method and system, and a terminal. The method includes: when 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 invention, 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.