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EP 4 388 804 A1

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(43) Date of publication: 26.06.2024 Bulletin 2024/26 (21) Application number: 22747968.0 (22) Date of filing: 06.07.2022

(51) International Patent Classification (IPC):  H04W 68/00(2009.01) H04W 88/04(2009.01) H04W 92/18(2009.01) H04W 76/25(2018.01) H04W 76/14(2018.01) H04W 76/27(2018.01) (52) Cooperative Patent Classification (CPC): H04W 92/18; H04W 76/14; H04W 68/005; H04W 76/25; H04W 76/27; H04W 88/04; Y02D 30/70 (86) International application number: PCT/EP2022/068691 (87) International publication number: WO 2023/020742 (23.02.2023 Gazette 2023/08)

(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: 20.08.2021 US 202163235542 P (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: YU, Ling 02700 Kauniainen (FI) WOLFNER, György Tamás 1163 Budapest (HU) VAN PHAN, Vinh 90100 Oulu (FI) JI, Lianghai 9220 Aalborg (DK) SABOURI-SICHANI, Faranaz 9220 Aalborg (DK) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)