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EP 4 681 484 A2

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(88) Date of publication A3: 12.09.2025 (43) Date of publication: 21.01.2026 Bulletin 2026/04 (21) Application number: 24788967.8 (22) Date of filing: 08.04.2024

(51) International Patent Classification (IPC):  H04W 72/231(2023.01) H04L 5/00(2006.01) H04W 72/21(2023.01) H04W 72/232(2023.01) H04L 1/18(2023.01) H04W 72/12(2023.01) (52) Cooperative Patent Classification (CPC): H04W 72/23; H04L 1/1854; H04L 1/1896; H04L 1/1861; H04L 5/0026; H04L 5/0055; H04L 5/0083; H04L 5/0035; H04L 5/0091; H04L 27/2602 (86) International application number: PCT/KR2024/004622 (87) International publication number: WO 2024/215024 (17.10.2024 Gazette 2024/42)

(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: GE KH MA MD TN (30) Priority: 14.04.2023 CN 202310403859 21.04.2023 CN 202310436322 24.04.2023 CN 202310451524 25.04.2023 CN 202310456695 24.05.2023 CN 202310593828 05.09.2023 CN 202311142283 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si, Gyeonggi-do 16677 (KR)

(72) Inventors: ZHANG, Sa Suwon-si, Gyeonggi-do 16677 (KR) CHEN, Zhe Suwon-si, Gyeonggi-do 16677 (KR) SUN, Feifei Suwon-si, Gyeonggi-do 16677 (KR) (74) Representative: Gulde & Partner  Patent- und Rechtsanwaltskanzlei mbB Berliner Freiheit 2 10785 Berlin 10785 Berlin (DE)