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(11)

EP 4 278 856 A1

(12)

(43) Date of publication: 22.11.2023 Bulletin 2023/47 (21) Application number: 21920329.6 (22) Date of filing: 22.01.2021

(51) International Patent Classification (IPC):  H04W 84/10(2009.01) (52) Cooperative Patent Classification (CPC): H04W 8/005 (86) International application number: PCT/CN2021/073424 (87) International publication number: WO 2022/155931 (28.07.2022 Gazette 2022/30)

(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 (71) Applicant: Huawei Technologies Co., Ltd. Shenzhen, Guangdong 518129 (CN)	(72) Inventors: REVADIGAR, Girish Shivalingappa Singapore 138589 (SG) WEI, Zhuo Singapore 138589 (SG) LI, Zhen Shanghai 200120 (CN) JHA, Sanjay UNSW, New South Wales 2052 (AU) (74) Representative: Huawei European IPR  Huawei Technologies Duesseldorf GmbH Riesstraße 25 80992 München 80992 München (DE)