(19)
(11) EP 4 824 566 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 23832698.7

(22) Date of filing: 12.12.2023
(51) International Patent Classification (IPC): 
G01R 29/08(2006.01)
H04B 17/00(2015.01)
 G01R 29/10(2006.01)
(52) Cooperative Patent Classification (CPC):
H04B 17/0085; G01R 29/105; G01R 29/0871; G01R 23/20; G01R 29/0814
(86) International application number:
PCT/EP2023/085373
(87) International publication number:
WO 2025/124693 (19.06.2025 Gazette 2025/25)
(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

(71) Applicant: Telefonaktiebolaget LM Ericsson (publ)
164 83 Stockholm (SE)

(72) Inventors:
  • KLÜTZMANN, Udo
    83071 Stephanskirchen (DE)
  • VALFRIDSSON, Erik
    71691 Fjugesta (SE)
  • EISNER, Stefan
    83109 Großkarolinenfeld (DE)

(74) Representative: Ericsson 
Patent Development Torshamnsgatan 21-23
164 80 Stockholm
164 80 Stockholm (SE)

   


(54) TEST APPARATUS, TEST SET-UP AND METHOD FOR TESTING A DEVICE UNDER TEST