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(11)

EP 3 138 153 A1

(12)

(43) Date of publication: 08.03.2017 Bulletin 2017/10 (21) Application number: 14719795.8 (22) Date of filing: 29.04.2014

(51) International Patent Classification (IPC):  H01Q 1/24(2006.01) H01Q 3/26(2006.01) H01Q 3/02(2006.01) (86) International application number: PCT/EP2014/058679 (87) International publication number: WO 2015/165502 (05.11.2015 Gazette 2015/44)

(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. Longgang District Shenzhen, Guangdong 518129 (CN)	(72) Inventors: SOTEK, Karel 80992 Munich (DE) WANG, Songhai 80992 Munich (DE) (74) Representative: Kreuz, Georg Maria  Huawei Technologies Duesseldorf GmbH Riesstrasse 8 80992 München 80992 München (DE)