4 papers
A5/1 is in the Air: Passive Detection of 2G (GSM) Ciphering Algorithms
Matthias Koch, Christian Nettersheim, Thorsten Horstmann +1
This paper investigates the ongoing use of the A5/1 ciphering algorithm within 2G GSM networks. Despite its known vulnerabilities and the gradual phasing out of GSM technology by s…
open5Gcube: A Modular and Usable Framework for Mobile Network Laboratories
Thorsten Horstmann, Dominik Brunke, Tobias Kremeyer +5
In mobile network research, the integration of real-world components such as User Equipment (UE) with open-source network infrastructure is essential yet challenging. To address th…
Implementation of OpenAPI Wireshark Dissectors to Validate SBI Messages of 5G Core Networks
Lukas Schauer, Thorsten Horstmann, Steffen Druesedow +1
This paper introduces a novel Wireshark dissector designed to facilitate the analysis of Service-Based Interface (SBI) communication in 5G Core Networks. Our approach involves pars…
Path Loss in Urban LoRa Networks: A Large-Scale Measurement Study
Michael Rademacher, Hendrik Linka, Thorsten Horstmann +1
Urban LoRa networks promise to provide a cost-efficient and scalable communication backbone for smart cities. One core challenge in rolling out and operating these networks is radi…