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EP 4 026 378 A1

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(43) Date of publication: 13.07.2022 Bulletin 2022/28 (21) Application number: 19769963.0 (22) Date of filing: 04.09.2019

(51) International Patent Classification (IPC):  H04W 72/04(2009.01) H04W 84/22(2009.01) H04W 84/12(2009.01) (52) Cooperative Patent Classification (CPC): H04W 84/12; H04W 84/22; H04W 72/0486; H04W 72/02 (86) International application number: PCT/US2019/049445 (87) International publication number: WO 2021/045737 (11.03.2021 Gazette 2021/10)

(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: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: ALANEN, Olli 01690 Vantaa (FI) RANTALA, Enrico Henrik Berkeley, California 94708 (US) KASSLIN, Mika 02770 Espoo (FI) MARIN, Janne 02770 Espoo (FI) KOLMONEN, Veli-Matti 02920 Espoo (FI) (74) Representative: Roberts, David et al Page White & Farrer Bedford House John Street London WC1N 2BF London WC1N 2BF (GB)