(19)

(11)

EP 3 918 854 A1

(12)

(43) Date of publication: 08.12.2021 Bulletin 2021/49 (21) Application number: 20756404.8 (22) Date of filing: 14.02.2020

(51) International Patent Classification (IPC):  H04W 64/00(2009.01) H04B 17/309(2015.01) H04L 5/00(2006.01) (52) Cooperative Patent Classification (CPC): H04W 16/28; H04W 64/00; H04W 4/02; H04W 4/027 (86) International application number: PCT/KR2020/002178 (87) International publication number: WO 2020/167073 (20.08.2020 Gazette 2020/34)

(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: 14.02.2019 GB 201902051 (71) Applicant: Samsung Electronics Co., Ltd. Suwon-si, Gyeonggi-do 16677 (KR)	(72) Inventor: QI, Yinan Staines Middlesex TW18 4QE (GB) (74) Representative: HGF  1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)