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EP 4 578 112 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 22800063.4 (22) Date of filing: 30.09.2022

(51) International Patent Classification (IPC):  H04B 7/0404(2017.01) H04B 7/08(2006.01) H04B 7/06(2006.01) H04L 5/00(2006.01) (52) Cooperative Patent Classification (CPC): H04B 7/0404; H04B 7/0628; H04B 7/0632; H04B 7/088; H04B 7/0695; H04B 7/06956 (86) International application number: PCT/CN2022/123633 (87) International publication number: WO 2024/065838 (04.04.2024 Gazette 2024/14)

(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 (71) Applicant: GOOGLE LLC Mountain View CA 94043 (US)	(72) Inventors: WU, Chih-Hsiang Taiwan 10548 (TW) ZHANG, Yushu Beijing 100190 (CN) (74) Representative: Marks & Clerk GST  1 New York Street Manchester M1 4HD Manchester M1 4HD (GB)