US 12,193,099 B2
Method by which relay communication UE efficiently supports remote UE in configuration update
Sangmin Park, Seoul (KR); Laeyoung Kim, Seoul (KR); and Myungjune Youn, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Appl. No. 17/789,387
Filed by LG Electronics Inc., Seoul (KR)
PCT Filed Dec. 23, 2020, PCT No. PCT/KR2020/018961
§ 371(c)(1), (2) Date Jun. 27, 2022,
PCT Pub. No. WO2021/133047, PCT Pub. Date Jul. 1, 2021.
Claims priority of application No. 10-2019-0176378 (KR), filed on Dec. 27, 2019.
Prior Publication US 2023/0040140 A1, Feb. 9, 2023
Int. Cl. H04W 76/23 (2018.01); H04W 8/22 (2009.01); H04W 60/04 (2009.01); H04W 88/04 (2009.01); H04W 92/18 (2009.01)
CPC H04W 76/23 (2018.02) [H04W 8/22 (2013.01); H04W 60/04 (2013.01); H04W 88/04 (2013.01); H04W 92/18 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method for performing communication by a relay UE, comprising:
receiving, from an Access and Mobility Management Function (AMF), UE Configuration Update Command message including information requesting registration for the relay UE;
transmitting, to a remote UE, an instructing message to suspend PC5 connection;
receiving, from the remote UE, a message indicating that suspension of the PC5 connection is complete;
transmitting, to the AMF, UE Configuration Update Complete message in response to the UE Configuration Update Command message;
performing a registration procedure with the AMF; and
resuming PC5 connection with the remote UE.