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EP 4 799 286 A1

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(43) Date of publication: 02.09.2026 Bulletin 2026/36 (21) Application number: 24827558.8 (22) Date of filing: 27.11.2024

(51) International Patent Classification (IPC):  H04B 7/0456(2017.01) H04W 52/42(2009.01) H04B 7/06(2006.01) (52) Cooperative Patent Classification (CPC): H04W 52/42; H04B 7/0478; H04B 7/0641; H04B 7/0623 (86) International application number: PCT/US2024/057801 (87) International publication number: WO 2025/117782 (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: 01.12.2023 US 202363605283 P (71) Applicant: Apple Inc. Cupertino, CA 95014 (US)

(72) Inventors: NIU, Huaning Cupertino, California 95014 (US) YE, Chunxuan Cupertino, California 95014 (US) ZHANG, Dawei Cupertino, California 95014 (US) FAKOORIAN, Seyed Ali Akbar Cupertino, California 95014 (US) ZENG, Wei Cupertino, California 95014 (US) YANG, Weidong Cupertino, California 95014 (US) (74) Representative: Karl, Christof  Bardehle Pagenberg Partnerschaft mbB Patentanwälte, Rechtsanwälte Prinzregentenplatz 7 81675 München 81675 München (DE)