MoCFL: Mobile Cluster Federated Learning Framework for Highly Dynamic Network

• URL: http://arxiv.org/abs/2503.01557v1
• Date: Mon, 03 Mar 2025 13:59:47 GMT
• Title: MoCFL: Mobile Cluster Federated Learning Framework for Highly Dynamic Network
• Authors: Kai Fang, Jiangtao Deng, Chengzu Dong, Usman Naseem, Tongcun Liu, Hailin Feng, Wei Wang,
• Abstract summary: Frequent fluctuations of client nodes in highly dynamic mobile clusters can lead to significant changes in feature space distribution and data drift.<n>We propose a mobile cluster federated learning framework (MoCFL) to address these issues.<n>MoCFL enhances feature aggregation by introducing an affinity matrix that quantifies the similarity between local feature extractors from different clients.
• Score: 10.962599830266676
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Frequent fluctuations of client nodes in highly dynamic mobile clusters can lead to significant changes in feature space distribution and data drift, posing substantial challenges to the robustness of existing federated learning (FL) strategies. To address these issues, we proposed a mobile cluster federated learning framework (MoCFL). MoCFL enhances feature aggregation by introducing an affinity matrix that quantifies the similarity between local feature extractors from different clients, addressing dynamic data distribution changes caused by frequent client churn and topology changes. Additionally, MoCFL integrates historical and current feature information when training the global classifier, effectively mitigating the catastrophic forgetting problem frequently encountered in mobile scenarios. This synergistic combination ensures that MoCFL maintains high performance and stability in dynamically changing mobile environments. Experimental results on the UNSW-NB15 dataset show that MoCFL excels in dynamic environments, demonstrating superior robustness and accuracy while maintaining reasonable training costs.

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