(19)

(11)

EP 4 022 813 A1

(12)

(43) Date of publication: 06.07.2022 Bulletin 2022/27 (21) Application number: 20737628.6 (22) Date of filing: 01.07.2020

(51) International Patent Classification (IPC):  H04L 1/18(2006.01) H04W 72/12(2009.01) (52) Cooperative Patent Classification (CPC): H04L 1/1854; H04L 1/1864; H04W 72/0446 (86) International application number: PCT/SE2020/050687 (87) International publication number: WO 2021/040596 (04.03.2021 Gazette 2021/09)

(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: 29.08.2019 US 201962983409 P (71) Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) 164 83 Stockholm (SE)	(72) Inventors: GUTHMAN, Axel 164 40 Kista (SE) BALDEMAIR, Robert 170 69 Solna (SE) FALAHATI, Sorour 112 29 Stockholm (SE) BLANKENSHIP, Yufei Kildeer, Illinois 60047 (US) (74) Representative: Valea AB  Box 7086 103 87 Stockholm 103 87 Stockholm (SE)