Patent · US Active

Security key change method, base station, and user equipment

US10855461B2 · kind B2 · utility

2Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 27, 2016
Grant dateDec 1, 2020
Priority date
Expiry dateNov 10, 2037

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04W88/08
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

The present invention provides a security key change method and a user equipment (UE). The method performed by the UE includes: receiving a key change command message from a master eNodeB (MeNB), wherein the key change command message comprises an indication that a change of a security key between the UE and a secondary eNodeB (SeNB), and the UE is configured with a dual connectivity between the MeNB and the SeNB; updating a security key between the UE and the SeNB; performing random access to the SeNB; and sending a key change complete message to the MeNB.

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