(19)

(11)

EP 4 154 672 A1

(12)

(43) Date of publication: 29.03.2023 Bulletin 2023/13 (21) Application number: 21729010.5 (22) Date of filing: 21.05.2021

(51) International Patent Classification (IPC):  H04W 76/27(2018.01) H04W 74/00(2009.01) H04W 72/00(2009.01) (52) Cooperative Patent Classification (CPC): H04W 76/27 (86) International application number: PCT/IB2021/054447 (87) International publication number: WO 2021/234666 (25.11.2021 Gazette 2021/47)

(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: 21.05.2020 US 202063028050 P (71) Applicant: Telefonaktiebolaget LM ERICSSON (PUBL) 16483 Stockholm (SE)	(72) Inventors: TIRRONEN, Tuomas 00950 Helsinki (FI) YAVUZ, Emre 112 52 Stockholm (SE) BERGSTRÖM, Mattias 192 70 Sollentuna (SE) (74) Representative: Haseltine Lake Kempner LLP  One Portwall Square Portwall Lane Bristol BS1 6BH Bristol BS1 6BH (GB)