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EP 4 578 129 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 22960127.3 (22) Date of filing: 29.09.2022

(51) International Patent Classification (IPC):  H04L 1/18(2023.01) H04W 72/12(2023.01) (52) Cooperative Patent Classification (CPC): H04L 1/1854; H04L 1/1887; H04W 72/232; H04W 72/1273; H04W 72/21 (86) International application number: PCT/CN2022/122853 (87) International publication number: WO 2024/065491 (04.04.2024 Gazette 2024/14)

(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: Apple Inc. Cupertino CA 95014 (US)

(72) Inventors: SUN, Haitong Cupertino, California 95014 (US) HE, Hong Cupertino, California 95014 (US) TANG, Yang Cupertino, California 95014 (US) YAO, Chunhai Beijing 100022 (CN) ZHANG, Dawei Cupertino, California 95014 (US) SONG, Leilei Cupertino, California 95014 (US) ZENG, Wei Cupertino, California 95014 (US) GOHARI, Amir Aminzadeh Cupertino, California 95014 (US) BHAMRI, Ankit 85579 Munich (DE) FARAJIDANA, Amir Cupertino, California 95014 (US) (74) Representative: COPA Copenhagen Patents  Rosenvængets Allé 25 2100 Copenhagen Ø 2100 Copenhagen Ø (DK)