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(11)

EP 4 190 112 A1

(12)

(43) Date of publication: 07.06.2023 Bulletin 2023/23 (21) Application number: 21854171.2 (22) Date of filing: 03.06.2021

(51) International Patent Classification (IPC):  H04W 74/08(2009.01) H04B 17/336(2015.01) H04L 5/00(2006.01) H04W 16/14(2009.01) H04W 28/20(2009.01) (52) Cooperative Patent Classification (CPC): Y02D 30/70; H04W 74/0808; H04B 17/345 (86) International application number: PCT/FI2021/050412 (87) International publication number: WO 2022/029365 (10.02.2022 Gazette 2022/06)

(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: 03.08.2020 US 202063060507 P (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: HOOLI, Kari 90620 Oulu (FI) SCHOBER, Karol 00440 Helsinki (FI) TIIROLA, Esa 90620 Oulu (FI) LUNTTILA, Timo 02610 Espoo (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)