(19)

(11)

EP 4 226 733 A1

(12)

(43) Date of publication: 16.08.2023 Bulletin 2023/33 (21) Application number: 21777268.0 (22) Date of filing: 10.09.2021

(51) International Patent Classification (IPC):  H04W 76/14(2018.01) (52) Cooperative Patent Classification (CPC): H04W 76/14; H04W 76/28; H04W 92/18; H04W 52/0216; Y02D 30/70 (86) International application number: PCT/EP2021/074942 (87) International publication number: WO 2022/073714 (14.04.2022 Gazette 2022/15)

(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: 08.10.2020 US 202063089047 P (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: WANG, Min 977 53 Luleå (SE) FU, Zhang 120 78 Stockholm (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)