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EP 4 555 826 A1

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(43) Date of publication: 21.05.2025 Bulletin 2025/21 (21) Application number: 23751807.1 (22) Date of filing: 11.07.2023

(51) International Patent Classification (IPC):  H04W 76/15(2018.01) H04L 69/14(2022.01) H04W 76/34(2018.01) H04W 84/12(2009.01) H04B 7/0413(2017.01) H04W 52/02(2009.01) H04W 48/12(2009.01) (52) Cooperative Patent Classification (CPC): H04W 76/15; H04W 76/34; H04L 69/14; H04W 84/12; H04W 48/14; H04W 52/0216; H04W 52/028; H04L 43/08 (86) International application number: PCT/US2023/069954 (87) International publication number: WO 2024/015783 (18.01.2024 Gazette 2024/03)

(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: 11.07.2022 IN 202241039811 01.03.2023 US 202318176999 (71) Applicant: Cisco Technology, Inc. San Jose, California 95134-1706 (US)

(72) Inventors: SAINI, Vinay Bengaluru 560068 (IN) HENRY, Jerome Pittsboro, North Carolina 27312 (US) SHERIFF, Akram I. San Jose, California 95132 (US) NAINAR, Nagendra Kumar Morrisville, North Carolina 27560 (US) BARTON, Robert E. Richmond, British Columbia V7C 5R6 (CA) (74) Representative: Jarrett, Daniel Phillip et al Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL London WC1X 8NL (GB)