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EP 4 335 052 A1

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(43) Date of publication: 13.03.2024 Bulletin 2024/11 (21) Application number: 21751664.0 (22) Date of filing: 28.05.2021

(51) International Patent Classification (IPC):  H04L 1/00(2006.01) H04L 27/34(2006.01) (52) Cooperative Patent Classification (CPC): H04L 1/0058; H04L 1/0065; H04L 1/0041; H04L 27/3416 (86) International application number: PCT/RU2021/000227 (87) International publication number: WO 2022/250563 (01.12.2022 Gazette 2022/48)

(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: MAEVSKII, Aleksei Eduardovich Shenzhen, Guangdong 518129 (CN) YANG, Yumeng Shenzhen, Guangdong 518129 (CN) ZHENGUROV, Boris Glebovich Shenzhen, Guangdong 518129 (CN) KURMAEV, Oleg Feat'evich Shenzhen, Guangdong 518129 (CN) (74) Representative: Isarpatent  Patent- und Rechtsanwälte Barth Hassa Peckmann & Partner mbB Friedrichstraße 31 80801 München 80801 München (DE)