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:
Apr. 23, 2024
Filed:
Aug. 13, 2019
Samsung Electronics Co., Ltd., Suwon-si, KR;
Korea University Research and Business Foundation, Seoul, KR;
Kisuk Kweon, Suwon-si, KR;
Haneul Ko, Suwon-si, KR;
Sangheon Pack, Suwon-si, KR;
Jaewook Lee, Suwon-si, KR;
Joonwoo Kim, Suwon-si, KR;
Yujin Tae, Suwon-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Korea University Research And Business Foundation, Seoul, KR;
Abstract
A handover method, performed by a source base station in a wireless communication system, includes: receiving an indicator indicating a start of packet duplication transmission of a user plane function (UPF); and transmitting at least one redundant packet to a target base station, based on the indicator indicating the start of the packet duplication transmission of the UPF, wherein the packet duplication transmission includes transmitting, to the target base station, a packet that is identical to a packet transmitted by the UPF to the source base station, wherein the redundant packet includes a packet that was received from the UPF before the start of the packet duplication transmission but is not transmitted to a User Equipment (UE) and stored.