Patent · US Active

Apparatus and method for deleting session context

US11032872B2 · kind B2 · utility

0Cited by
6References
14Claims
0Family size

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Key dates

Filing dateDec 19, 2019
Grant dateJun 8, 2021
Priority date
Expiry dateDec 19, 2039

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W92/24
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

A method and an apparatus for deleting a session context are provided, to resolve a technical problem of how to delete an SM context from an SMF after abnormal network disconnection. The method includes: receiving, by a session management function entity, a packet data unit PDU session release request; and deleting, by the session management function entity based on the PDU session release request, a PDU session context that is stored in the session management function entity and that is of a terminal, where the PDU session context is a PDU session context that is not deleted after the terminal is abnormally deregistered.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.