(19)
(11) EP 4 825 068 A1

(12)

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

(21) Application number: 24817394.0

(22) Date of filing: 06.12.2024
(51) International Patent Classification (IPC): 
H04W 12/06(2021.01)
H04L 9/40(2022.01)
 H04W 12/041(2021.01)
(52) Cooperative Patent Classification (CPC):
H04W 12/041; H04W 12/06; H04L 63/0869
(86) International application number:
PCT/EP2024/084986
(87) International publication number:
WO 2025/125095 (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:
GE KH MA MD TN

(30) Priority: 13.12.2023 EP 23307190

(71) Applicant: THALES DIS FRANCE SAS
92190 Meudon (FR)

(72) Inventors:
  • DANY, Vincent
    13705 La Ciotat (FR)
  • DEMARTY, Joel
    13705 La Ciotat (FR)

(74) Representative: Scheer, Luc 
Thales Dis France SAS Intellectual Property Department Avenue du Jujubier - ZI Athelia IV
13705 La Ciotat
13705 La Ciotat (FR)

   


(54) A METHOD FOR ESTABLISHING A SECURE COMMUNICATION CHANNEL BETWEEN A MOBILE DEVICE AND AND A GNB OF A VISITED NETWORK AND CORRESPONDING EQUIPMENT