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EP 3 549 375 A1

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(43) Date of publication: 09.10.2019 Bulletin 2019/41 (21) Application number: 18736023.5 (22) Date of filing: 05.01.2018

(51) International Patent Classification (IPC):  H04W 68/02(2009.01) H04B 7/0408(2017.01) H04B 7/08(2006.01) H04W 52/02(2009.01) H04B 7/022(2017.01) (86) International application number: PCT/KR2018/000224 (87) International publication number: WO 2018/128442 (12.07.2018 Gazette 2018/28)

(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 TN (30) Priority: 05.01.2017 KR 20170002078 04.05.2017 KR 20170056881 10.08.2017 KR 20170101944 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si, Gyeonggi-do 16677 (KR)

(72) Inventors: JUNG, Byounghoon Suwon-si Gyeonggi-do 16677 (KR) AGIWAL, Anil Suwon-si Gyeonggi-do 16677 (KR) JUNG, Jungsoo Suwon-si Gyeonggi-do 16677 (KR) SON, Hyukmin Suwon-si Gyeonggi-do 16677 (KR) RYOO, Sunheui Suwon-si Gyeonggi-do 16677 (KR) MOON, Jungmin Suwon-si Gyeonggi-do 16677 (KR) PARK, Seunghoon Suwon-si Gyeonggi-do 16677 (KR) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL) (56) References cited: :