(19)

(11)

EP 4 555 414 A1

(12)

(43) Date of publication: 21.05.2025 Bulletin 2025/21 (21) Application number: 23753804.6 (22) Date of filing: 24.07.2023

(51) International Patent Classification (IPC):  G06F 9/50(2006.01) (52) Cooperative Patent Classification (CPC): G06F 9/505; G06F 9/5094; G06F 2209/509; G06F 2209/5022 (86) International application number: PCT/EP2023/070475 (87) International publication number: WO 2024/160386 (08.08.2024 Gazette 2024/32)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 31.01.2023 EP 23154265 (71) Applicant: NEC Laboratories Europe GmbH 69115 Heidelberg (DE)	(72) Inventors: AYALA ROMERO, Jose 69115 Heidelberg (DE) GARCIA-SAAVEDRA, Andres 69115 Heidelberg (DE) COSTA-PÉREZ, Xavier 69115 Heidelberg (DE) (74) Representative: Ullrich & Naumann PartG mbB  Schneidmühlstrasse 21 69115 Heidelberg 69115 Heidelberg (DE)