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(11)

EP 4 179 757 A1

(12)

(43) Date of publication: 17.05.2023 Bulletin 2023/20 (21) Application number: 20742936.6 (22) Date of filing: 13.07.2020

(51) International Patent Classification (IPC):  H04W 12/06(2021.01) H04W 4/021(2018.01) H04W 12/63(2021.01) H04W 12/80(2021.01) (52) Cooperative Patent Classification (CPC): H04W 12/06; H04W 12/63; H04W 4/021; H04W 12/80; H04L 63/302; H04L 67/535 (86) International application number: PCT/IB2020/056559 (87) International publication number: WO 2022/013593 (20.01.2022 Gazette 2022/03)

(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 (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventor: PUENTE PESTAÑA, Miguel Angel 28007 Madrid (ES) (74) Representative: Röthinger, Rainer  Wuesthoff & Wuesthoff Patentanwälte PartG mbB Schweigerstrasse 2 81541 München 81541 München (DE)