(19)

(11)

EP 4 005 114 A1

(12)

(43) Date of publication: 01.06.2022 Bulletin 2022/22 (21) Application number: 19749701.9 (22) Date of filing: 01.08.2019

(51) International Patent Classification (IPC):  H04B 10/516(2013.01) H04B 10/548(2013.01) H04B 10/54(2013.01) H04L 1/00(2006.01) (52) Cooperative Patent Classification (CPC): H04B 10/5161; H04L 1/0003; H04B 10/54; H04B 10/548; H04L 1/0009; H04L 1/0058; H04L 1/007; H04W 52/0219; Y02D 30/70 (86) International application number: PCT/EP2019/070775 (87) International publication number: WO 2021/018400 (04.02.2021 Gazette 2021/05)

(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. Longgang District Shenzhen, Guangdong 518129 (CN)	(72) Inventors: BOCHERER, Georg 80992 Munich (DE) SCHAEDLER, Maximilian 80992 Munich (DE) KUSCHNEROV, Maxim 80992 Munich (DE) BLÜMM, Christian 80992 Munich (DE) (74) Representative: Roth, Sebastian  Mitscherlich PartmbB Patent- und Rechtsanwälte Sonnenstraße 33 80331 München 80331 München (DE)