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(11)

EP 4 771 910 A1

(12)

(43) Date of publication: 08.07.2026 Bulletin 2026/28 (21) Application number: 23919313.9 (22) Date of filing: 01.09.2023

(51) International Patent Classification (IPC):  H04W 28/04(2009.01) H04L 1/1829(2023.01) (52) Cooperative Patent Classification (CPC): H04L 2001/0093; H04L 1/1854; H04L 1/1822; H04L 1/1896 (86) International application number: PCT/CN2023/116608 (87) International publication number: WO 2024/159748 (08.08.2024 Gazette 2024/32)

(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, Min Beijing 100094 (CN) YUE, Ran Beijing 100094 (CN) HAN, Jing Beijing 100094 (CN) (74) Representative: Marks & Clerk LLP  15 Fetter Lane London EC4A 1BW London EC4A 1BW (GB)