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(11)

EP 3 566 337 A1

(12)

(43) Date of publication: 13.11.2019 Bulletin 2019/46 (21) Application number: 17702358.7 (22) Date of filing: 30.01.2017

(51) International Patent Classification (IPC):  H04B 10/40(2013.01) H04B 10/58(2013.01) (86) International application number: PCT/EP2017/051928 (87) International publication number: WO 2018/137782 (02.08.2018 Gazette 2018/31)

(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: MA MD (71) Applicant: Huawei Technologies Co., Ltd. Longgang District Shenzhen, Guangdong 518129 (CN)	(72) Inventor: ZHANG, Qiang 80992 Munich (DE) (74) Representative: Gill Jennings & Every LLP  The Broadgate Tower 20 Primrose Street London EC2A 2ES London EC2A 2ES (GB)