Store-And-Forward-Satellitenverfahren zur Bereitstellung eines Kommunikationsdienstes an ein Benutzergerät durch einen Versorgenden Satelliten

Details

Veröffentlichungs-Nr.

EP4607852

Aktenzeichen

EP24305302

Anmeldetag

23. Februar 2024

Veröffentlichung

27. August 2025

Rechtsraum

EP

IPC

H04L9/40H04W84/00H04W84/06H04W12/03H04W12/72

Abstract

The invention concerns a Store and Forward satellite 22 method for providing by a serving satellite 22 a communication service to a UE 10 which the serving satellite 22 is connected to the ground network intermittently and temporarily via a feeder link or ISL, the UE 10 comprising a secure element and provisioned by a home MNO 11 with PKI key pair and associated UE 10 certificate, the method comprising:a) sending from the UE 10 to the serving satellite 22 a registration request message comprising the UE 10 certificate, the serving satellite 22 comprising an UDM/AUSF/ARPF or a HSS/AuC 23 of a serving satcom MNO 22;b) checking at the UDM/AUSF/ARPF or the HSS/AuC 23 the validity of the UE 10 certificate and, if the UE 10 certificate is valid:c) - sending from the UDM/AUSF/ARPF or HSS/AuC 23 to the UE 10 in a protected way a subscriber identity, a subscriber key associated to the serving satcom MNO, and a certificate of the serving satellite 22;d) - performing a primary authentication procedure between the UE 10 and the UDM/AUSF/ARPF according to TS 33.501 or the HSS/AuC TS 33.401 with the primary authentication procedure being based on the subscriber key;e) - sending from the UE 10 to a Store and Forward entity 31 of the satellite 22 user plane data protected in confidentiality and/or integrity by session keys derived during the primary authentication procedure;f) and, when the serving satellite 22 is connected to the ground network via the feeder link or ISL:g) - sending from the Store and Forward entity 31 to the core network of the satcom MNO the user plane data;h) - sending from the core network of the satcom MNO to an application server 40 the user plane data.

Anmelder

Firma

THALES DIS FRANCE SAS

Land

🇫🇷 Frankreich

Fachgebiete