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(11)

EP 4 552 400 A1

(12)

(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23748196.5 (22) Date of filing: 05.07.2023

(51) International Patent Classification (IPC):  H04W 52/14(2009.01) H04W 52/28(2009.01) H04W 36/00(2009.01) H04L 1/00(2006.01) (52) Cooperative Patent Classification (CPC): H04W 52/143; H04W 52/283; H04B 17/27; H04L 1/0003; H04W 84/12; H04W 36/38; H04W 52/242; H04B 17/391 (86) International application number: PCT/US2023/069614 (87) International publication number: WO 2024/011106 (11.01.2024 Gazette 2024/02)

(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: KH MA MD TN (30) Priority: 08.07.2022 US 202263368015 P 03.04.2023 US 202318295155 (71) Applicant: Cisco Technology, Inc. San Jose, California 95134-1706 (US)	(72) Inventors: KULKARNI, Santosh B. San Jose, California 95129 (US) DESAI, Vishal S. San Jose, California 95148 (US) MONAJEMI, Pooya Irvine, California 92614 (US) (74) Representative: Noble, Nicholas et al Kilburn & Strode LLP Lacon London 84 Theobalds Road London WC1X 8NL London WC1X 8NL (GB)