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Over-the-Air Federated Learning with Privacy Protection via Correlated Additive Perturbations. (arXiv:2210.02235v1 [cs.LG])
Oct. 6, 2022, 1:20 a.m. | Jialing Liao, Zheng Chen, Erik G. Larsson
cs.CR updates on arXiv.org arxiv.org
In this paper, we consider privacy aspects of wireless federated learning
(FL) with Over-the-Air (OtA) transmission of gradient updates from multiple
users/agents to an edge server. By exploiting the waveform superposition
property of multiple access channels, OtA FL enables the users to transmit
their updates simultaneously with linear processing techniques, which improves
resource efficiency. However, this setting is vulnerable to privacy leakage
since an adversary node can hear directly the uncoded message. Traditional
perturbation-based methods provide privacy protection while sacrificing …
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