Federated Learning for Computationally-Constrained Heterogeneous Devices: A Survey
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Abstract (arXiv)
With an increasing number of smart devices like internet of things (IoT) devices deployed in the field, offloadingtraining of neural networks (NNs) to a central server becomes more and more infeasible. Recent efforts toimprove users' privacy have led to on-device learning emerging as an alternative. However, a model trainedonly on a single device, using only local data, is unlikely to reach a high accuracy. Federated learning (FL)has been introduced as a solution, offering a privacy-preserving trade-off between communication overheadand model accuracy by sharing knowledge between devices but disclosing the devices' private data. Theapplicability and the benefit of applying baseline FL are, however, limited in many relevant use cases dueto the heterogeneity present in such environments. In this survey, we outline the heterogeneity challengesFL has to overcome to be widely applicable in real-world applications. We especially focus on the aspect ofcomputation heterogeneity among the participating devices and provide a comprehensive overview of recentworks on heterogeneity-aware FL. We discuss two groups: works that adapt the NN architecture and worksthat approach heterogeneity on a system level, covering Federated Averaging (FedAvg), distillation, and splitlearning-based approaches, as well as synchronous and asynchronous aggregation schemes.
Key facts. Cited by 40 papers in the map (data through 13 Oct 2026). Builds on 73 of its 115 references that are in the map. First posted on arXiv 18 Jul 2023.
Builds on
73 of 115 references.
References · 73
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- 2019FedMD: Heterogenous Federated Learning via Model Distillationcited by 459
- 2018Adaptive Federated Learning in Resource Constrained Edge Computing Systemscited by 409
- 2019Bayesian Nonparametric Federated Learning of Neural Networkscited by 387
- 2019FedPAQ: A Communication-Efficient Federated Learning Method with Periodic Averaging and Quantizationcited by 356
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- 2019Asynchronous Federated Optimizationcited by 265
- 2019Model Pruning Enables Efficient Federated Learning on Edge Devicescited by 221
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50 most cited of 73 All 73 (JSON)
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Citing papers per year: 2024: 18; 2025: 10; 2026: 12.
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