(19)

(11)

EP 4 740 431 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 23945448.1 (22) Date of filing: 19.07.2023

(51) International Patent Classification (IPC):  H04L 67/60(2022.01) (52) Cooperative Patent Classification (CPC): H04L 67/60; H04L 67/14; H04L 67/12; H04L 67/52 (86) International application number: PCT/CN2023/108127 (87) International publication number: WO 2025/015556 (23.01.2025 Gazette 2025/04)

(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: Huawei Technologies Co., Ltd. Shenzhen, Guangdong 518129 (CN)	(72) Inventor: DAO, Ngoc Dung Kanata Ontario 231 (CA) (74) Representative: Goddar, Heinz J.  Boehmert & Boehmert Anwaltspartnerschaft mbB Pettenkoferstrasse 22 80336 München 80336 München (DE) (56) References cited: :