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EP 4 233 399 A1

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(43) Date of publication: 30.08.2023 Bulletin 2023/35 (21) Application number: 21883047.9 (22) Date of filing: 29.09.2021

(51) International Patent Classification (IPC):  H04W 52/02(2009.01) H04L 5/00(2006.01) H04W 76/15(2018.01) H04B 17/309(2015.01) H04W 72/04(2023.01) (52) Cooperative Patent Classification (CPC): H04W 76/15; Y02D 30/70; H04W 76/27; H04W 52/0229; H04W 72/0453; H04L 5/0098; H04L 5/14; H04L 5/001; H04L 5/0026; H04L 5/0053; H04L 5/0032 (86) International application number: PCT/KR2021/013310 (87) International publication number: WO 2022/085975 (28.04.2022 Gazette 2022/17)

(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: 20.10.2020 KR 20200135900 (71) Applicant: LG ELECTRONICS, INC. Seoul 07336 (KR)	(72) Inventor: KIM, Sangwon Seoul 06772 (KR) (74) Representative: Plasseraud IP  66, rue de la Chaussée d'Antin 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)