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EP 4 292 378 A2

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(88) Date of publication A3: 10.11.2022 (43) Date of publication: 20.12.2023 Bulletin 2023/51 (21) Application number: 22711649.8 (22) Date of filing: 14.03.2022

(51) International Patent Classification (IPC):  H04W 74/08(2009.01) H04W 28/02(2009.01) H04L 47/2475(2022.01) H04W 72/10(2009.01) H04W 84/12(2009.01) H04L 47/56(2022.01) H04L 47/2416(2022.01) (52) Cooperative Patent Classification (CPC): H04W 84/12; H04W 28/0268; H04L 47/564; H04L 47/2475; H04L 47/2416; H04W 72/1263; H04L 47/11; H04L 47/283; H04L 47/2441 (86) International application number: PCT/IB2022/052295 (87) International publication number: WO 2022/208211 (06.10.2022 Gazette 2022/40)

(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: 31.03.2021 US 202163168434 P 24.10.2021 US 202117509017 (71) Applicants: Sony Group Corporation Tokyo 108-0075 (JP) Sony Corporation of America New York, NY 10010 (US)

(72) Inventors: XIN, Liangxiao San Jose, California 95112 (US) ABOUELSEOUD, Mohamed San Jose, California 95112 (US) SUN, Li-Hsiang San Jose, California 95112 (US) XIA, Qing San Jose, California 95112 (US) (74) Representative: D Young & Co LLP  120 Holborn London EC1N 2DY London EC1N 2DY (GB)