(19)

(11)

EP 4 278 640 A1

(12)

(43) Date of publication: 22.11.2023 Bulletin 2023/47 (21) Application number: 21839287.6 (22) Date of filing: 30.11.2021

(51) International Patent Classification (IPC):  H04W 12/122(2021.01) H04W 4/40(2018.01) H04L 9/40(2022.01) (52) Cooperative Patent Classification (CPC): H04L 63/1425; H04W 4/40; H04W 12/122 (86) International application number: PCT/US2021/061093 (87) International publication number: WO 2022/154874 (21.07.2022 Gazette 2022/29)

(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: 14.01.2021 US 202163137324 P 11.05.2021 US 202117317270 (71) Applicant: QUALCOMM INCORPORATED San Diego, California 92121-1714 (US)

(72) Inventors: PETIT, Jonathan San Diego, California 92121-1714 (US) WHYTE, William San Diego, California 92121-1714 (US) CHEN, Cong San Diego, California 92121-1714 (US) MONTEUUIS, Jean-Philippe San Diego, California 92121-1714 (US) ANSARI, Mohammad Raashid San Diego, California 92121-1714 (US) (74) Representative: Loveless, Ian Mark  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)