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EP 3 854 156 A1

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(43) Date of publication: 28.07.2021 Bulletin 2021/30 (21) Application number: 18934323.9 (22) Date of filing: 21.09.2018

(51) International Patent Classification (IPC):  H04W 72/04(2009.01) H04W 16/10(2009.01) H04B 17/24(2015.01) H04L 25/02(2006.01) H04B 7/06(2006.01) H04B 7/024(2017.01) H04L 5/00(2006.01) H04W 24/10(2009.01) H04B 17/309(2015.01) H04B 7/0408(2017.01) H04W 28/06(2009.01) (86) International application number: PCT/FI2018/050680 (87) International publication number: WO 2020/058562 (26.03.2020 Gazette 2020/13)

(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: ZIRWAS, Wolfgang 81249 Munich (DE) ENESCU, Mihai 02120 Espoo (FI) DALSGAARD, Lars 90230 Oulu (FI) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)