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:
Jan. 09, 2024
Filed:
Sep. 24, 2021
Electronics and Telecommunications Research Institute, Daejeon, KR;
Byungjun Ahn, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
Disclosed is a method of ensuring a service continuity based on a utility slice in case of a handover. The method includes receiving a handover request message from a source base station when a user equipment (UE) moves from a coverage of the source base station to that of a target base station, setting a session for the UE based on slice information included in the handover request message, and transmitting a handover request acknowledgment (ACK) message for the handover request message to the source base station, wherein the target base station may provide, when a service slice corresponding to a service provided from the source base station to the UE through a protocol data unit (PDU) session is not supported by the target base station, the service using a utility slice.