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(11)

EP 4 042 587 A1

(12)

(43) Date of publication: 17.08.2022 Bulletin 2022/33 (21) Application number: 20789730.7 (22) Date of filing: 05.10.2020

(51) International Patent Classification (IPC):  H04B 7/06(2006.01) H04J 13/00(2011.01) H04L 5/00(2006.01) (52) Cooperative Patent Classification (CPC): H04B 7/0626; H04J 13/00 (86) International application number: PCT/SE2020/050946 (87) International publication number: WO 2021/066735 (08.04.2021 Gazette 2021/14)

(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: 04.10.2019 US 201962910784 P (71) Applicant: Telefonaktiebolaget LM Ericsson (publ) 164 83 Stockholm (SE)	(72) Inventors: FAXÉR, Sebastian 112 48 STOCKHOLM (SE) MURUGANATHAN, Siva STITTSVILLE, Ontario K2S0R3 (CA) FRENNE, Mattias 754 43 UPPSALA (SE) GAO, Shiwei NEPEAN, Ontario K2J 0H5 (CA) HARRISON, Robert GRAPEVINE, Texas 76051 (US) TIDESTAV, Claes 746 31 BÅLSTA (SE) (74) Representative: Ericsson  Patent Development Torshamnsgatan 21-23 164 80 Stockholm 164 80 Stockholm (SE)