(19)

(11)

EP 3 932 040 A1

(12)

(43) Date of publication: 05.01.2022 Bulletin 2022/01 (21) Application number: 20707240.6 (22) Date of filing: 25.02.2020

(51) International Patent Classification (IPC):  H04L 29/08(2006.01) H04W 76/15(2018.01) H04L 29/06(2006.01) H04W 80/06(2009.01) (52) Cooperative Patent Classification (CPC): H04L 67/141; H04L 69/14; H04L 69/163; H04W 76/10; H04L 67/2809; H04W 80/06; H04L 69/168 (86) International application number: PCT/EP2020/054865 (87) International publication number: WO 2020/173920 (03.09.2020 Gazette 2020/36)

(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: 25.02.2019 IN 201941007221 (71) Applicant: Nokia Technologies Oy 02610 Espoo (FI)	(72) Inventors: VAN DE VELDE, Thierry 1860 Meise (BE) KANUGOVI, Satish Bengaluru 560085 (IN) (74) Representative: Nokia EPO representatives  Nokia Technologies Oy Karakaari 7 02610 Espoo 02610 Espoo (FI)