公开(公告)号：US20230362150A1

公开(公告)日：2023-11-09

申请号：US18311362

申请日：2023-05-03

Applicant: Nokia Technologies Oy

Inventor： Suresh P. NAIR ,  Saurabh KHARE ,  Ranganathan MAVUREDDI DHANASEKARAN

IPC: H04L9/40

CPC classification number: H04L63/08

Abstract: Systems, methods, and software of performing primary re-authentication of User Equipment (UE) (106). In one embodiment, a Unified Data Management (UDM) (218) triggers primary re-authentication of a UE in response to a trigger condition, and sends a re-authentication notification message toward an Access and Mobility Management Function (AMF) (212) to perform primary re-authentication of the UE.

公开(公告)号：US20200029211A1

公开(公告)日：2020-01-23

申请号：US16338195

申请日：2016-09-30

Applicant: NOKIA TECHNOLOGIES OY

Inventor： Daniela LASELVA ,  Suresh P. NAIR ,  Mika RINNE

IPC: H04W12/04 ,  H04W24/08 ,  H04W28/02

Abstract: There is provided monitoring at least one bearer comprising a first and second radio accesses according to different radio technologies between user equipment and a communications network. One or more properties of the monitored bearer are determined and an update of a security key utilized for securing communications over at least one of the radio accesses is triggered in response to determining that the determined properties meet at least one triggering condition capable of indicating a need for the update.