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. 16, 2025
Filed:
Feb. 08, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
An electronic device is provided. The electronic device includes at least one processor, which may be configured to establish at least one first protocol data unit (PDU) session in a state of being registered in a 5th generation system (5GS), store first information related to the at least one first PDU session, perform a procedure for registering with an evolved packet system (EPS), based on at least one first trigger causing a system fallback from the 5GS to the EPS, perform a procedure for registering with the 5GS, based on at least one second trigger causing a return to the 5GS, compare second information related to a second PDU session, with the first information, perform an operation of establishing, a third PDU session when the third PDU session not comprised in the second PDU session is identified, and perform an operation of modifying, a fourth PDU session.