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EP 4 388 776 A1

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(43) Date of publication: 26.06.2024 Bulletin 2024/26 (21) Application number: 22818550.0 (22) Date of filing: 01.11.2022

(51) International Patent Classification (IPC):  H04W 28/26(2009.01) H04W 72/25(2023.01) (52) Cooperative Patent Classification (CPC): H04W 28/26; H04W 72/25 (86) International application number: PCT/US2022/048601 (87) International publication number: WO 2023/081159 (11.05.2023 Gazette 2023/19)

(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: 05.11.2021 US 202163276248 P 01.09.2022 US 202217901022 (71) Applicant: Apple Inc. Cupertino, CA 95014-2094 (US)

(72) Inventors: YE, Chunxuan Cupertino, California 95014-2094 (US) ZHANG, Dawei Cupertino, California 95014-2094 (US) SUN, Haitong Cupertino, California 95014-2094 (US) HE, Hong Cupertino, California 95014-2094 (US) NIU, Huaning Cupertino, California 95014-2094 (US) OTERI, Oghenekome Cupertino, California 95014-2094 (US) FAKOORIAN, Seyed Ali Akbar Cupertino, California 95014-2094 (US) YE, Sigen Cupertino, California 95014-2094 (US) ZENG, Wei Cupertino, California 95014-2094 (US) YANG, Weidong Cupertino, California 95014-2094 (US) (74) Representative: COPA Copenhagen Patents  Rosenørns Allé 1, 2nd floor 1970 Frederiksberg C 1970 Frederiksberg C (DK)