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(11)

EP 4 445 577 A1

(12)

(43) Date of publication: 16.10.2024 Bulletin 2024/42 (21) Application number: 22844407.1 (22) Date of filing: 06.12.2022

(51) International Patent Classification (IPC):  H04L 41/0806(2022.01) H04L 41/0894(2022.01) H04W 4/50(2018.01) H04W 72/00(2023.01) H04L 41/08(2022.01) H04L 41/0896(2022.01) H04L 41/14(2022.01) H04L 41/5054(2022.01) H04L 43/0852(2022.01) H04L 43/20(2022.01) H04L 41/122(2022.01) H04W 4/02(2018.01) H04W 28/00(2009.01) H04L 45/12(2022.01) H04L 41/0895(2022.01) H04L 41/0897(2022.01) H04L 41/40(2022.01) H04L 43/0811(2022.01) H04L 43/0876(2022.01) (52) Cooperative Patent Classification (CPC): H04L 41/0806; H04L 41/122; H04L 41/0894; H04L 41/0895; H04L 41/0896; H04L 41/0886; H04L 41/5054; H04L 43/0876; H04L 43/0852; H04L 43/0811; H04L 43/20; H04L 41/0897; H04L 41/40; H04L 41/145; H04W 24/02 (86) International application number: PCT/US2022/080988 (87) International publication number: WO 2023/107925 (15.06.2023 Gazette 2023/24)

(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: 07.12.2021 US 202117544817 07.12.2021 US 202117544825 (71) Applicant: Amazon Technologies Inc. Seattle, Washington 98108-1226 (US)

(72) Inventors: GADALIN, Alexey Seattle, Washington 98109-5210 (US) GUPTA, Diwakar Seattle, Washington 98108-1226 (US) AMIN, Rudresh Seattle, Washington 98109-5210 (US) PATIL, Yatin Seattle, Washington 98109-5210 (US) HU, Kaixiang Seattle, Washington 98109-5210 (US) ELISSAIOS, Dimitrios Seattle, Washington 98109-5210 (US) (74) Representative: Cabinet Beaumont  4, Place Robert Schuman B.P. 1529 38025 Grenoble Cedex 1 38025 Grenoble Cedex 1 (FR)