(19)

(11)

EP 4 457 999 A1

(12)

(43) Date of publication: 06.11.2024 Bulletin 2024/45 (21) Application number: 22817473.6 (22) Date of filing: 04.11.2022

(51) International Patent Classification (IPC):  H04L 47/283(2022.01) H04L 49/90(2022.01) H04L 47/32(2022.01) (52) Cooperative Patent Classification (CPC): H04L 49/9036; H04L 49/90; H04L 47/283; H04L 47/32 (86) International application number: PCT/US2022/048902 (87) International publication number: WO 2023/129277 (06.07.2023 Gazette 2023/27)

(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: 30.12.2021 US 202163295014 P 28.02.2022 US 202217682758 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)	(72) Inventors: AL-DAMLUJI, Salem Amin Redmond, Washington 98052-6399 (US) KAVIA, Anish Redmond, Washington 98052-6399 (US) (74) Representative: CMS Cameron McKenna Nabarro Olswang LLP  Cannon Place 78 Cannon Street London EC4N 6AF London EC4N 6AF (GB)