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EP 3 149 851 A1

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(43) Date of publication: 05.04.2017 Bulletin 2017/14 (21) Application number: 14736346.9 (22) Date of filing: 01.07.2014

(51) International Patent Classification (IPC):  H03K 17/06(2006.01) H02M 3/158(2006.01) H02M 1/38(2007.01) H03K 17/13(2006.01) (86) International application number: PCT/EP2014/063900 (87) International publication number: WO 2016/000754 (07.01.2016 Gazette 2016/01)

(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 (71) Applicant: Huawei Technologies Co. Ltd. Shenzhen, Guangdong 518129 (CN)	(72) Inventors: MA, Jun S-164 40 Kista (SE) TSENGENES, Georgios S-164 40 Kista (SE) TORRICO-BASCOPE, Grover Victor S-164 40 Kista (SE) (74) Representative: Kreuz, Georg Maria  Huawei Technologies Duesseldorf GmbH Riesstrasse 8 80992 München 80992 München (DE)