6 papers
Free-Text Evaluation of LLMs for 5G Domain Knowledge and Fault Analysis using LLM-as-Judge
Rishiraj Sengupta, Sotiris Chatzimiltis, Mohammad Shojafar +1
Real-world fault analysis in 5G and emerging 6G networks demands domain expertise to analyze free-text diagnostics, including root-cause explanations and recommended actions. LLMs…
Agentic AI for 6G: A New Paradigm for Autonomous RAN Security Compliance
Sotiris Chatzimiltis, Mahdi Boloursaz Mashhadi, Mohammad Shojafar +2
Agentic AI systems are emerging as powerful tools for automating complex, multi-step tasks across various industries. One such industry is telecommunications, where the growing com…
Towards a Multi-Layer Defence Framework for Securing Near-Real-Time Operations in Open RAN
Hamed Alimohammadi, Samara Mayhoub, Sotiris Chatzimiltis +2
Securing the near-real-time (near-RT) control operations in Open Radio Access Networks (Open RAN) is increasingly critical, yet remains insufficiently addressed, as new runtime thr…
Interpretable Anomaly-Based DDoS Detection in AI-RAN with XAI and LLMs
Sotiris Chatzimiltis, Mohammad Shojafar, Mahdi Boloursaz Mashhadi +1
Next generation Radio Access Networks (RANs) introduce programmability, intelligence, and near real-time control through intelligent controllers, enabling enhanced security within…
KPI Poisoning: An Attack in Open RAN Near Real-Time Control Loop
Hamed Alimohammadi, Sotiris Chatzimiltis, Samara Mayhoub +4
Open Radio Access Network (Open RAN) is a new paradigm to provide fundamental features for supporting next-generation mobile networks. Disaggregation, virtualisation, closed-loop d…
Surviving the Storm: The Impacts of Open RAN Disaggregation on Latency and Resilience
Sotiris Chatzimiltis, Mohammad Shojafar, Mahdi Boloursaz Mashhadi +1
The development of Open Radio Access Networks (Open RAN), with their disaggregated architectures and virtualization of network functions, has brought considerable flexibility and c…