US 12,075,283 B2
Method and apparatus for providing traffic steering in mobile communication system
Dongyeon Kim, Suwon-si (KR); and Jinkyu Han, Suwon-si (KR)
Assigned to Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Apr. 4, 2022, as Appl. No. 17/657,917.
Claims priority of application No. 10-2021-0044105 (KR), filed on Apr. 5, 2021.
Prior Publication US 2022/0322143 A1, Oct. 6, 2022
Int. Cl. H04W 28/00 (2009.01); H04L 47/34 (2022.01); H04W 28/08 (2023.01); H04W 28/082 (2023.01); H04W 28/086 (2023.01); H04W 28/10 (2009.01); H04W 72/23 (2023.01)
CPC H04W 28/0867 (2020.05) [H04L 47/34 (2013.01); H04W 28/082 (2023.05); H04W 28/0865 (2023.05); H04W 28/10 (2013.01); H04W 72/23 (2023.01)] 16 Claims
OG exemplary drawing
 
1. A method of a user plane function (UPF) for providing a multiple access protocol data unit (MA PDU) service to a user equipment (UE) in a mobile communication system, the method comprising:
receiving, from a session management function (SMF), an N4 rule including a traffic transmission scheme for downlinks (DLs) to the UE, wherein the DLs include a DL of 3rd generation partnership project (3GPP) access and a DL of non-3GPP access;
in response to a change of an access traffic steering, switching, splitting (ATSSS) rule determined by the UE, receiving, from the UE, a split ratio change report for an updated split ratio for uplink (UL) traffic to the 3GPP access and UL traffic to the non-3GPP access determined by the UE, wherein the ATSSS is related to the N4 rule;
generating an updated traffic counter for counting an amount of UL traffic according to the received split ratio change report; and
transmitting, to the SMF, the split ratio change report.