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EP 4 740 336 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24761756.6 (22) Date of filing: 02.08.2024

(51) International Patent Classification (IPC):  H04L 1/00(2006.01) H04L 25/02(2006.01) H04W 24/10(2009.01) H04L 5/00(2006.01) H04B 7/06(2006.01) G06N 3/09(2023.01) (52) Cooperative Patent Classification (CPC): H04B 7/0658; H04L 1/0026; H04B 7/0626; H04W 24/10; G06N 3/09; H04L 5/0051; H04L 25/0254; G06N 3/045; G06N 3/044 (86) International application number: PCT/US2024/040868 (87) International publication number: WO 2025/034614 (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 202363531672 P (71) Applicant: Apple Inc. Cupertino, CA 95014 (US)	(72) Inventors: YANG, Weidong Cupertino, CA 95014 (US) NIU, Huaning Cupertino, CA 95014 (US) YE, Sigen Cupertino, CA 95014 (US) SUN, Haitong Cupertino, CA 95014 (US) ZENG, Wei Cupertino, CA 95014 (US) ZHANG, Dawei Cupertino, CA 95014 (US) (74) Representative: Simmons & Simmons  City Point One Ropemaker Street London EC2Y 9SS London EC2Y 9SS (GB)