(19)

(11)

EP 4 559 270 A1

(12)

(43) Date of publication: 28.05.2025 Bulletin 2025/22 (21) Application number: 23761302.1 (22) Date of filing: 02.08.2023

(51) International Patent Classification (IPC):  H04W 72/12(2023.01) H04W 72/21(2023.01) (52) Cooperative Patent Classification (CPC): H04W 72/21; H04W 72/1221; H04L 47/28; H04W 28/0236; H04W 28/0278; H04W 28/0268 (86) International application number: PCT/US2023/029323 (87) International publication number: WO 2024/030494 (08.02.2024 Gazette 2024/06)

(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: 04.08.2022 US 202263370466 P (71) Applicant: GOOGLE LLC Mountain View CA 94043 (US)	(72) Inventor: YE, Shiangrung Taipei City 10548 (TW) (74) Representative: Marks & Clerk GST  1 New York Street Manchester M1 4HD Manchester M1 4HD (GB)