(19)

(11)

EP 4 029 196 A1

(12)

(43) Date of publication: 20.07.2022 Bulletin 2022/29 (21) Application number: 20772111.9 (22) Date of filing: 08.09.2020

(51) International Patent Classification (IPC):  H04L 12/24(2006.01) G06F 11/30(2006.01) H04W 24/10(2009.01) H04L 12/26(2006.01) (52) Cooperative Patent Classification (CPC): H04L 41/5009; H04L 41/16; H04L 41/145; H04L 41/0836; H04L 43/028; H04L 41/147; H04W 24/10; G06F 11/3006; G06F 11/3409; G06F 11/3452; H04W 24/04; H04L 43/091 (86) International application number: PCT/IB2020/058346 (87) International publication number: WO 2021/048742 (18.03.2021 Gazette 2021/11)

(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: 09.09.2019 US 201962897695 P (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: KALLUS, Zsófia 1153 Budapest (HU) BORSOS, Tamas 1161 Budapest (HU) KERSCH, Péter 1158 Budapest (HU) VADERNA, Peter 1174 Budapest (HU) (74) Representative: Laqua, Bernd Christian Kurt  Wuesthoff & Wuesthoff Patentanwälte PartG mbB Schweigerstraße 2 81541 München 81541 München (DE)