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EP 4 817 332 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24799432.0 (22) Date of filing: 15.10.2024

(51) International Patent Classification (IPC):  H04W 56/00(2009.01) H04L 5/00(2006.01) (52) Cooperative Patent Classification (CPC): H04W 56/0045; H04L 5/0035; H04W 52/242; H04W 52/42; H04W 52/146; H04W 52/325; H04B 7/024 (86) International application number: PCT/US2024/051431 (87) International publication number: WO 2025/117063 (05.06.2025 Gazette 2025/23)

(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: 30.11.2023 US 202363604845 P 27.08.2024 US 202418817044 (71) Applicant: Apple Inc. Cupertino, CA 95014 (US)

(72) Inventors: SUN, Haitong Cupertino, California 95014 (US) BHAMRI, Ankit 80335 Munich Bavaria-Bayern (DE) ZHANG, Dawei Cupertino, California 95014 (US) HE, Hong Cupertino, California 95014 (US) OTERI, Oghenekome Cupertino, California 95014 (US) ZENG, Wei Cupertino, California 95014 (US) CHEN, Xiang Cupertino, California 95014 (US) (74) Representative: Zacco Denmark A/S  Arne Jacobsens Allé 15 2300 Copenhagen S 2300 Copenhagen S (DK)