(19)

(11)

EP 3 777 450 A1

(12)

(43) Date of publication: 17.02.2021 Bulletin 2021/07 (21) Application number: 18722306.0 (22) Date of filing: 12.04.2018

(51) International Patent Classification (IPC):  H04W 76/10(2018.01) H04W 48/18(2009.01) (86) International application number: PCT/US2018/027303 (87) International publication number: WO 2019/199311 (17.10.2019 Gazette 2019/42)

(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) Inventor: HOFFMANN, Klaus 80995 Munchen (DE) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)