(19)

(11)

EP 3 245 772 A1

(12)

(43) Date of publication: 22.11.2017 Bulletin 2017/47 (21) Application number: 16737512.0 (22) Date of filing: 12.01.2016

(51) International Patent Classification (IPC):  H04L 27/26(2006.01) H04L 27/01(2006.01) (86) International application number: PCT/KR2016/000278 (87) International publication number: WO 2016/114548 (21.07.2016 Gazette 2016/29)

(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 (30) Priority: 12.01.2015 CN 201510015090 15.02.2015 CN 201510083155 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si, Gyeonggi-do 16677 (KR)	(72) Inventors: YU, Bin Beijing 100125 (CN) ZHU, Dalin Beijing 100125 (CN) SUN, Pengfei Beijing 100125 (CN) (74) Representative: Nederlandsch Octrooibureau  P.O. Box 29720 2502 LS The Hague 2502 LS The Hague (NL)