(19)

(11)

EP 4 817 337 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 23922439.7 (22) Date of filing: 28.11.2023

(51) International Patent Classification (IPC):  H04W 72/04(2023.01) (52) Cooperative Patent Classification (CPC): H04W 24/10; H04W 72/23; H04W 72/21 (86) International application number: PCT/CN2023/134863 (87) International publication number: WO 2024/169323 (22.08.2024 Gazette 2024/34)

(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 (71) Applicant: Lenovo (Beijing) Limited Beijing 100085 (CN)	(72) Inventors: XU, Xiaoying Beijing 100094 (CN) DAI, Mingzeng Beijing 100094 (CN) WU, Lianhai Beijing 100094 (CN) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)