The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 08, 2026
Filed:
Apr. 22, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A method for carrying out AMF reassignment in a communication system may comprise the steps of: transmitting, to an NSSF, a first request message including at least one of a first parameter for requesting a public key of an AMF that is to be reassigned and a second parameter for requesting a token related to the AMF that is to be reassigned; receiving, from the NSSF, a first response message including at least one of information indicating a target AMF set, and a public key of the target AMF set or the token; generating, on the basis of first security context for user equipment, an SC container including second security context for a target AMF; encrypting the SC container by using the public key; and transmitting, to the target AMF via a radio access network related to the user equipment, at least one of the encrypted SC container, additional information related to encryption of the SC container, and the token.