Patent · US Active

User authentication in first network using subscriber identity module for second legacy network

US11722891B2 · kind B2 · utility

1Cited by
1References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 4, 2019
Grant dateAug 8, 2023
Priority date
Expiry dateJan 4, 2040

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W12/40
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

In given user equipment seeking access to a first communication network (e.g., 5G network), wherein the given user equipment comprises a subscriber identity module (e.g., USIM) configured for a second communication network, and wherein the second communication network is a legacy network with respect to the first communication network (e.g., legacy 4G network), a method includes: initiating an authentication procedure with at least one network entity of the first communication network and selecting an authentication method to be used during the authentication procedure; and participating in the authentication procedure with the at least one network entity using the selected authentication method and, upon successful authentication, the given user equipment obtaining a set of keys to enable the given user equipment to access the first communication network.

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