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Barjau, CAuthorGomez-Barquero, DAuthor

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Proceedings Paper

A Framework for Roaming between 5G Non-Public-Networks (NPNs)

Publicated to:2023 Ieee Conference On Standards For Communications And Networking, Cscn. 247-253 - 2023-01-01 (), DOI: 10.1109/CSCN60443.2023.10453146

Authors: Chakraborty, P; Corici, M; Zope, H; Barjau, C; Awan, MF; Ribes, J; Vicent, AM; Gomez-Barquero, D; Magedanz, T

Affiliations

Fraunhofer FOKUS Inst - Author
Telenor Res & Innovat - Author
Univ Politecn Valencia - Author

Abstract

The use of 5G private networks is gaining popularity in the industry due to their capability to address the requirements of a large number of vertical markets including own administration and communication privacy and security. These locally administrated networks are similar to micro-operators, providing low delay, high capacity, and reliable communication to the local devices. However, these networks will need to interact with each other in order to extend coverage and provide connectivity to visiting devices. In this article, a roaming framework addressing geographically distributed private networks is proposed, by adapting the 5G roaming system of the large-scale operators to a federated authentication and authorization framework. To realize the proposed solution, the Fraunhofer FOKUS Open5GCore toolkit is extended with the proposed architectural extension and it is then evaluated on the basis of flexibility and privacy of deployment, backhaul usage, and reduced network administration underlining its feasibility for further development.

Keywords

5g5g mobile communication systemsAuthenticationAuthorizationCommunication privacyCommunications securityFederated authenticationHigh reliableLow delayNon-public networkNon-public networksPrivacy and securityPrivate networksPublic networksRoamingRoaming, federated authentication

Quality index

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-06-11:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 1 (PlumX).

Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Germany; Norway.