US 12,457,649 B2
Method and device for performing communication on basis of power saving mode
Jongwoo Hong, Seoul (KR); Seungmin Lee, Seoul (KR); Seoyoung Back, Seoul (KR); and Giwon Park, Seoul (KR)
Assigned to LG Electronics Inc., Seoul (KR)
Appl. No. 18/011,427
Filed by LG Electronics Inc., Seoul (KR)
PCT Filed Jun. 2, 2021, PCT No. PCT/KR2021/006847
§ 371(c)(1), (2) Date Dec. 19, 2022,
PCT Pub. No. WO2022/014860, PCT Pub. Date Jan. 20, 2022.
Claims priority of application No. 10-2020-0088395 (KR), filed on Jul. 16, 2020; and application No. 10-2020-0096637 (KR), filed on Aug. 3, 2020.
Prior Publication US 2023/0284293 A1, Sep. 7, 2023
Int. Cl. H04W 4/00 (2018.01); H04W 76/10 (2018.01); H04W 76/28 (2018.01); H04W 92/18 (2009.01)
CPC H04W 76/10 (2018.02) [H04W 76/28 (2018.02); H04W 92/18 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A method for performing wireless communication by a first device, the method comprising:
establishing a radio resource control (RRC) connection with a base station;
establishing a PC5 connection with a second device relaying communication between the first device and the base station;
configuring a power saving mode for saving power related to Uu communication between the base station and the first device, based on the establishment of the PC5 connection with the second device;
performing communication with the base station based on the power saving mode; and
releasing or suspending the RRC connection based on the Uu communication not being performed on a primary cell (PCell) during a time period configured for the first device,
wherein an RRC state between the first device and the base station transitions from an RRC_CONNECTED state to an RRC_IDLE state or an RRC_INACTIVE state.