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EP 4 740 671 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24762105.5 (22) Date of filing: 06.08.2024

(51) International Patent Classification (IPC):  H04W 74/0808(2024.01) H04W 72/02(2009.01) H04W 92/18(2009.01) H04L 5/00(2006.01) H04W 72/0446(2023.01) (52) Cooperative Patent Classification (CPC): H04W 74/0808; H04W 72/02; H04W 72/0446; H04W 92/18; H04L 5/0053; H04L 5/0094; H04W 72/20 (86) International application number: PCT/US2024/041138 (87) International publication number: WO 2025/034763 (13.02.2025 Gazette 2025/07)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: GE KH MA MD TN (30) Priority: 09.08.2023 US 202363531702 P (71) Applicant: Apple Inc. Cupertino, CA 95014 (US)

(72) Inventors: YE, Chunxuan Cupertino, California 95014 (US) ZHANG, Dawei Cupertino, California 95014 (US) SUN, Haitong Cupertino, California 95014 (US) HE, Hong Cupertino, California 95014 (US) NIU, Huaning Cupertino, California 95014 (US) CUI, Jie Cupertino, California 95014 (US) ZENG, Wei Cupertino, California 95014 (US) (74) Representative: COPA Copenhagen Patents  Rosenvængets Allé 25 2100 Copenhagen Ø 2100 Copenhagen Ø (DK)