(19)

(11)

EP 4 384 922 A1

(12)

(43) Date of publication: 19.06.2024 Bulletin 2024/25 (21) Application number: 21953109.2 (22) Date of filing: 11.08.2021

(51) International Patent Classification (IPC):  G06F 16/2455(2019.01) G06F 9/54(2006.01) (52) Cooperative Patent Classification (CPC): G06F 16/2455 (86) International application number: PCT/CN2021/112046 (87) International publication number: WO 2023/015482 (16.02.2023 Gazette 2023/07)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: PING, Jing Chengdu, Sichuan 610091 (CN) ADAM, Iris 80687 Munich (DE) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)