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(11)

EP 4 014 341 A1

(12)

(43) Date of publication: 22.06.2022 Bulletin 2022/25 (21) Application number: 20750688.2 (22) Date of filing: 10.08.2020

(51) International Patent Classification (IPC):  H04B 7/0456(2017.01) H04B 7/06(2006.01) (52) Cooperative Patent Classification (CPC): H04B 7/0478; H04B 7/0695; H04B 7/0639; H04B 7/0469 (86) International application number: PCT/EP2020/072390 (87) International publication number: WO 2021/028389 (18.02.2021 Gazette 2021/07)

(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: 14.08.2019 EP 19191849 (71) Applicant: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. 80686 München (DE)	(72) Inventors: GROSSMANN, Marcus 91058 Erlangen (DE) RAMIREDDY, Venkatesh 91058 Erlangen (DE) LANDMANN, Markus 91058 Erlangen (DE) (74) Representative: Zimmermann, Tankred Klaus et al Schoppe, Zimmermann, Stöckeler Zinkler, Schenk & Partner mbB Patentanwälte Radlkoferstrasse 2 81373 München 81373 München (DE)