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EP 3 785 377 A1

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(43) Date of publication: 03.03.2021 Bulletin 2021/09 (21) Application number: 19807907.1 (22) Date of filing: 27.05.2019

(51) International Patent Classification (IPC):  H04B 7/0456(2017.01) H04B 7/06(2006.01) (86) International application number: PCT/KR2019/006321 (87) International publication number: WO 2019/226028 (28.11.2019 Gazette 2019/48)

(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 (30) Priority: 25.05.2018 US 201862676718 P 09.08.2018 US 201862716597 P 03.10.2018 US 201862740564 P 05.10.2018 US 201862742035 P 18.12.2018 US 201816224531 (71) Applicant: Samsung Electronics Co., Ltd. Gyeonggi-do 16677 (KR)

(72) Inventors: MO, Jianhua Santa clara, California 94043 (US) HUANG, Pengda Santa clara, California 94043 (US) ZHANG, Jianzhong Santa clara, California 94043 (US) CHANG, Sanghyun Santa clara, California 94043 (US) NG, Boon Loong Santa clara, California 94043 (US) (74) Representative: Gulde & Partner  Patent- und Rechtsanwaltskanzlei mbB Wallstraße 58/59 10179 Berlin 10179 Berlin (DE)