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EP 4 285 201 A1

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(43) Date of publication: 06.12.2023 Bulletin 2023/49 (21) Application number: 21827794.5 (22) Date of filing: 24.11.2021

(51) International Patent Classification (IPC):  G06F 1/26(2006.01) H04M 1/32(2006.01) (52) Cooperative Patent Classification (CPC): G06F 1/26; H02M 3/157; H02M 3/1584; H02M 3/1586; H02M 1/0025; H02M 1/40; H02M 1/0032; H02M 1/327 (86) International application number: PCT/US2021/060845 (87) International publication number: WO 2022/164498 (04.08.2022 Gazette 2022/31)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 29.01.2021 US 202163143732 P 29.01.2021 US 202163143734 P 23.11.2021 US 202117534362 23.11.2021 US 202117534345 (71) Applicant: QUALCOMM INCORPORATED San Diego, California 92121-1714 (US)

(72) Inventors: ZOU, Peng San Diego, CA 92121 (US) REN, Gang San Diego, CA 92121 (US) ZIAI, Syrus San Diego, CA 92121 (US) MCALLISTER, Curtis, Roger San Diego, CA 92121 (US) (74) Representative: Schmidbauer, Andreas Konrad  Wagner & Geyer Partnerschaft mbB Patent- und Rechtsanwälte Gewürzmühlstrasse 5 80538 München 80538 München (DE)