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:
Jun. 09, 2026
Filed:
Dec. 29, 2023
Apparatus and method for inter-plmn handover of home routed session in wireless communication system
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Jicheol Lee, Gyeonggi-do, KR;
Hyesung Kim, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd, , KR;
Abstract
The disclosure relates to a fifth generation (5G) or sixth generation (6G) communication system for supporting a higher data transmission rate. A method performed by a visited-session management function (V-SMF) in a visited public land mobile network (VPLMN) includes receiving, from an access and mobility management function (AMF) in the VPLMN, a protocol data unit (PDU) session create request message including an indicator for allowing home-routed session breakout (HR-SBO) and an identifier (ID) of the VPLMN after an inter-public land mobile network (PLMN) handover is performed, transmitting, to a home-SMF (H-SMF) in a home PLMN (HPLMN), a PDU session update request message including the ID of the VPLMN and an HR-SBO request message, and receiving, from the H-SMF, a PDU session update response message including an authorization result for the HR-SBO.