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Federated Learning Stability Under Byzantine Attacks
IEEE Wireless Communications and Networking Conference, WCNC
  • Ala Gouissem, Computer Science and Engineering, Qatar University, Qatar
  • Khalid Abualsaud, Computer Science and Engineering, Qatar University, Qatar
  • Elias Yaacoub, Computer Science and Engineering, Qatar University, Qatar
  • Tamer Khattab, Electrical Engineering, Qatar University, Qatar
  • Mohsen Guizani, Mohamed Bin Zayed University of Artificial Intelligence
Document Type
Conference Proceeding

Federated Learning (FL) is a machine learning approach that enables private and decentralized model training. Although FL has been shown to be very useful in several applications, its privacy constraints cause a lack of model update transparency which makes it vulnerable to several types of attacks. In particular, based on detailed convergence analyses, we show in this paper that when the traditional model-combining scheme is used, even a single Byzantine node that keeps sending random reports will cause the whole FL model to diverge to non-useful solutions. A low complexity model combining approach is also proposed to stabilize the FL system and make it converge to a suboptimal solution just by controlling the model norm. The Physikalisch-Technische Bundesanstalt extra-large electrocardiogram (PTB-XL ECG) dataset is used to validate the findings of this paper and show the efficiency of the proposed approach in identifying heart anomalies. © 2022 IEEE.

Publication Date
  • Large dataset,
  • Learning systems,
  • Byzantine attacks,
  • Convergence analysis,
  • Decentralized models,
  • Distributed learning,
  • E health,
  • Federated learning,
  • Learning stability,
  • Machine learning approaches,
  • Model training,
  • Privacy constraints,
  • Electrocardiography

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Citation Information
A. Gouissem, K. Abualsaud, E. Yaacoub, T. Khattab and M. Guizani, "Federated Learning Stability Under Byzantine Attacks," 2022 IEEE Wireless Communications and Networking Conference (WCNC), Apr 10-13, 2022, pp. 572-577, doi: 10.1109/WCNC51071.2022.9771594.