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EP 4 740 402 A1

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(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 24739994.2 (22) Date of filing: 25.06.2024

(51) International Patent Classification (IPC):  H04L 45/122(2022.01) H04L 45/00(2022.01) H04Q 11/00(2006.01) H04L 45/24(2022.01) H04L 47/125(2022.01) (52) Cooperative Patent Classification (CPC): H04L 45/122; H04L 45/24; H04L 45/62; H04L 47/125; H04J 14/0267 (86) International application number: PCT/US2024/035431 (87) International publication number: WO 2025/010166 (09.01.2025 Gazette 2025/02)

(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: GE KH MA MD TN (30) Priority: 03.07.2023 US 202318346436 03.07.2023 US 202318346439 03.07.2023 US 202318346441 (71) Applicant: Amazon Technologies, Inc. Seattle, Washington 98108 (US)	(72) Inventors: BERNARDI, Giacomo Seattle, Washington 98108-1226 (US) MAHAJAN, Ratul Seattle, Washington 98108-1226 (US) KUMAR, Saurabh Seattle, Washington 98108-1226 (US) (74) Representative: D Young & Co LLP  3 Noble Street London EC2V 7BQ London EC2V 7BQ (GB)