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Private Wireless Federated Learning with Anonymous Over-the-Air Computation

11/17/2020

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by Burak Hasircioglu, et al.

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We study the problem of differentially private wireless federated learning (FL). In conventional FL, differential privacy (DP) guarantees can be obtained by injecting additional noise to local model updates before transmitting to the parameter server (PS). In the wireless FL scenario, we show that the privacy of the system can be boosted by exploiting over-the-air computation (OAC) and anonymizing the transmitting devices. In OAC, devices transmit their model updates simultaneously and in an uncoded fashion, resulting in a much more efficient use of the available spectrum, but also a natural anonymity for the transmitting devices. The proposed approach further improves the performance of private wireless FL by reducing the amount of noise that must be injected.

Burak Hasircioglu
8 publications
Deniz Gündüz
185 publications

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