(19)

(11)

EP 4 552 425 A1

(12)

(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23852869.9 (22) Date of filing: 02.08.2023

(51) International Patent Classification (IPC):  H04W 72/23(2023.01) H04W 52/02(2009.01) H04W 72/21(2023.01) H04B 7/06(2006.01) H04W 72/04(2023.01) (52) Cooperative Patent Classification (CPC): H04L 5/0057; H04B 7/0695; H04W 52/0206 (86) International application number: PCT/KR2023/011336 (87) International publication number: WO 2024/034989 (15.02.2024 Gazette 2024/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 10.08.2022 CN 202210957945 07.09.2022 CN 202211089643 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si, Gyeonggi-do 16677 (KR)	(72) Inventors: CHEN, Zhe Suwon-si, Gyeonggi do 16677 (KR) SUN, Feifei Suwon-si, Gyeonggi do 16677 (KR) YU, Bin Suwon-si, Gyeonggi do 16677 (KR) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL)