(19)

(11)

EP 4 218 165 A1

(12)

(43) Date of publication: 02.08.2023 Bulletin 2023/31 (21) Application number: 20788758.9 (22) Date of filing: 07.10.2020

(51) International Patent Classification (IPC):  H04L(2006.01) (52) Cooperative Patent Classification (CPC): H04L 43/0852; H04L 43/0847; H04L 43/106 (86) International application number: PCT/EP2020/078099 (87) International publication number: WO 2022/073603 (14.04.2022 Gazette 2022/15)

(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: Huawei Technologies Co., Ltd. Shenzhen, Guangdong 518129 (CN)	(72) Inventors: GAL, Zion 80992 Munich (DE) ZECHARIA, Rami 80992 Munich (DE) (74) Representative: Gill Jennings & Every LLP  The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)