Distribution-Aware Mobility-Assisted Decentralized Federated Learning

• URL: http://arxiv.org/abs/2505.18866v1
• Date: Sat, 24 May 2025 20:47:42 GMT
• Title: Distribution-Aware Mobility-Assisted Decentralized Federated Learning
• Authors: Md Farhamdur Reza, Reza Jahani, Richeng Jin, Huaiyu Dai,
• Abstract summary: Decentralized federated learning (DFL) has attracted significant attention due to its scalability and independence from a central server.<n>We show that introducing a small fraction of mobile clients, even with random movement, can significantly improve the accuracy of DFL by facilitating information flow.<n>We propose novel distribution-aware mobility patterns, where mobile clients strategically navigate the network.
• Score: 28.986426579981924
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Decentralized federated learning (DFL) has attracted significant attention due to its scalability and independence from a central server. In practice, some participating clients can be mobile, yet the impact of user mobility on DFL performance remains largely unexplored, despite its potential to facilitate communication and model convergence. In this work, we demonstrate that introducing a small fraction of mobile clients, even with random movement, can significantly improve the accuracy of DFL by facilitating information flow. To further enhance performance, we propose novel distribution-aware mobility patterns, where mobile clients strategically navigate the network, leveraging knowledge of data distributions and static client locations. The proposed moving strategies mitigate the impact of data heterogeneity and boost learning convergence. Extensive experiments validate the effectiveness of induced mobility in DFL and demonstrate the superiority of our proposed mobility patterns over random movement.

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