(19)

(11)

EP 4 268 407 A1

(12)

(43) Date of publication: 01.11.2023 Bulletin 2023/44 (21) Application number: 21835496.7 (22) Date of filing: 01.12.2021

(51) International Patent Classification (IPC):  H04L 5/00(2006.01) (52) Cooperative Patent Classification (CPC): H04L 5/0035; H04L 5/0044; H04L 5/0053 (86) International application number: PCT/US2021/061483 (87) International publication number: WO 2022/146609 (07.07.2022 Gazette 2022/27)

(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 MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 28.12.2020 US 202063131161 P 30.11.2021 US 202117538562 (71) Applicant: QUALCOMM INCORPORATED San Diego, California 92121-1714 (US)	(72) Inventors: KHOSHNEVISAN, Mostafa San Diego, California 92121-1714 (US) CHEN, Yitao San Diego, California 92121-1714 (US) SUN, Jing San Diego, California 92121-1714 (US) ZHANG, Xiaoxia San Diego, California 92121-1714 (US) (74) Representative: Tomkins & Co  5 Dartmouth Road Dublin 6, D06 F9C7 Dublin 6, D06 F9C7 (IE)