collaborators

5 papers

cs.NI2026

Towards xApp Conflict Evaluation with Explainable Machine Learning and Causal Inference in O-RAN

Pragya Sharma, Shihua Sun, Shachi Deshpande +2

The Open Radio Access Network (O-RAN) architecture enables a flexible, vendor-neutral deployment of 5G networks by disaggregating base station components and supporting third-party…

eess.SY2026

A Survey on Cloud-Based 6G Deployments: Current Solutions, Future Directions and Open Challenges

Tolga O. Atalay, Alireza Famili, Amirreza Ghafoori +1

The next generation of cellular networks is designed to provide ubiquitous connectivity to a wide range of devices. As Telecommunication Service Providers (TSPs) increasingly colla…

cs.NI2025

SlicePilot: Demystifying Network Slice Placement in Heterogeneous Cloud Infrastructures

Ioannis Panitsas, Tolga O. Atalay, Dragoslav Stojadinovic +2

Cellular networks are comprised of software-based entities, with main functions encapsulated as Virtual Network Functions (VNFs) deployed on Commercial-off-the-Shelf (COTS) hardwar…

cs.NI2025

5GC-Bench: A Framework for Stress-Testing and Benchmarking 5G Core VNFs

Ioannis Panitsas, Tolga O. Atalay, Dragoslav Stojadinovic +2

The disaggregated, cloud-native design of the 5G Core (5GC) enables flexibility and scalability but introduces significant challenges. Control-plane procedures involve complex inte…

cs.CR2025

Partner in Crime: Boosting Targeted Poisoning Attacks against Federated Learning

Shihua Sun, Shridatt Sugrim, Angelos Stavrou +1

Federated Learning (FL) exposes vulnerabilities to targeted poisoning attacks that aim to cause misclassification specifically from the source class to the target class. However, u…