Abstract
In the era of the Internet of Things, smart devices are widely used in industries such as healthcare, finance, and telecommunications, generating massive and diverse amounts of data. The aggregation and mining of these data can provide strong business support. Still, they also face challenges such as privacy breaches and data heterogeneity, which hinder the construction of high-quality personalized models. For this reason, this paper proposes a federated learning solution based on cloud edge architecture, combines the advantages of edge computing and cloud computing, and constructs a personalized model with a privacy protection mechanism through condition generation adversary network (cGAN) and parameter sparsity technology. Specifically, the model on the edge server is divided into two parts: using cGAN to simulate the output features of the shallow part of the model on the edge side, sparsifying the local generator and deep network, and then uploading the results to the central cloud server. By sharing edge-side generators, common knowledge is aggregated to improve local network performance while hiding shallow parts of the model. The experimental results show that this method can maintain high prediction accuracy while protecting privacy and verifying its feasibility and effectiveness in practical applications.










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Acknowledgements
The authors would like to thank the anonymous reviewers for their thorough and constructive comments that have helped improve the quality of the paper. This work was supported in part by the National Natural Science Foundation of China under Grant 62271096 and Grant U20A20157; in part by the Natural Science Foundation of Chongqing of China under Grant CSTB2023NSCQLZX0134; and in part by the Doctoral Innovation Talent Program of Chongqing University of Posts and Telecommunications under Grant BYJS202203.
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Jing, Z., Wang, R. Enhancing personalized model construction and privacy protection in federated learning with generative adversarial networks and parameter sparsification. J Supercomput 81, 561 (2025). https://doi.org/10.1007/s11227-025-07038-8
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DOI: https://doi.org/10.1007/s11227-025-07038-8