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EP 4 552 255 A1

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(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23764789.6 (22) Date of filing: 09.08.2023

(51) International Patent Classification (IPC):  H04L 1/00(2006.01) H04L 5/00(2006.01) H04W 76/28(2018.01) H04B 7/06(2006.01) H04W 24/10(2009.01) (52) Cooperative Patent Classification (CPC): H04L 1/0026; H04W 76/28; H04L 5/0048; H04W 24/10; H04B 17/30; H04W 24/08; H04B 17/24; H04B 7/0626 (86) International application number: PCT/US2023/071907 (87) International publication number: WO 2024/036196 (15.02.2024 Gazette 2024/07)

(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: KH MA MD TN (30) Priority: 10.08.2022 US 202263370945 P 23.09.2022 US 202217934993 23.09.2022 US 202217935000 23.09.2022 US 202217935015 (71) Applicant: Apple Inc. Cupertino CA 95014 (US)

(72) Inventors: SUN, Haitong Sunnyvale, California 94085 (US) GUTIERREZ GONZALEZ, Ismael Cupertino, California 95014 (US) NEUMANN, David 80335 Munich, Bavaria-Bayern (DE) MALHOTRA, Anchit Cupertino, California 95014 (US) HATTAB, Ghaith N Cupertino, California 95014 (US) JALLOUL, Louay Cupertino, California 95014 (US) ZHANG, Dawei Sunnyvale, California 94085 (US) YANG, Weidong San Diego, California 92121 (US) ZENG, Wei Sunnyvale, California 94085 (US) (74) Representative: Simmons & Simmons  City Point One Ropemaker Street London EC2Y 9SS London EC2Y 9SS (GB)