Author

Periklis Chatzimisios

2 papers indexed here

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Preprint Sep 2026

rApp/xApp Attestation: A New Security Use Case for O-RAN

The disaggregation and softwarization introduced by the Open Radio Access Network (O-RAN) architecture enable multi-vendor innovation but also expose the RAN Intelligent Controller (RIC) ecosystem to new runtime security risks. Existing O-RAN specifications define strong safeguards for onboarding, authentication, ident...

Hamed Alimohammadi, B. Şahin, Arda Akman et al. · 0 citations

#machine learning Preprint Sep 2026

Constrained Bayesian Optimization for Hierarchical Federated Learning in IoT Networks for Plant Disease Classification

A constrained Bayesian Optimization framework for the efficient configuration of HFL deployments that captures user-defined trade-offs among energy consumption, execution time, and predictive performance, while explicit constraints ensure compliance with deployment-specific resource and accuracy requirements.

Athanasios Papanikolaou, Athanasios Tziouvaras, A. Xenakis et al. · 0 citations