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- W4311638063 abstract "Federated Learning (FL) is a collaborative machine learning (ML) framework that combines on-device training and server-based aggregation to train a common ML model among distributed agents. In this work, we propose an asynchronous FL design with periodic aggregation to tackle the straggler issue in FL systems. Considering limited wireless communication resources, we investigate the effect of different scheduling policies and aggregation designs on the convergence performance. Driven by the importance of reducing the bias and variance of the aggregated model updates, we propose a scheduling policy that jointly considers the channel quality and training data representation of user devices. The effectiveness of our channel-aware data-importance-based scheduling policy, compared with state-of-the-art methods proposed for synchronous FL, is validated through simulations. Moreover, we show that an age-aware aggregation weighting design can significantly improve the learning performance in an asynchronous FL setting." @default.
- W4311638063 created "2022-12-27" @default.
- W4311638063 creator A5032769690 @default.
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- W4311638063 date "2022-12-14" @default.
- W4311638063 modified "2023-09-26" @default.
- W4311638063 title "Scheduling and Aggregation Design for Asynchronous Federated Learning over Wireless Networks" @default.
- W4311638063 doi "https://doi.org/10.48550/arxiv.2212.07356" @default.
- W4311638063 hasPublicationYear "2022" @default.
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