A Survey on Federated Learning for Resource-Constrained IoT Devices

Federated learning (FL) is a distributed machine learning strategy that generates a global model by learning from multiple decentralized edge clients. FL enables on-device training, keeping the client's local data private, and further, updating the global model based on the local model updates....

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Bibliographic Details
Published in:IEEE internet of things journal 2022-01, Vol.9 (1), p.1-24
Main Authors: Imteaj, Ahmed, Thakker, Urmish, Wang, Shiqiang, Li, Jian, Amini, M. Hadi
Format: Article
Language:English
Subjects:
Collaborative work
Computational modeling
Computer based modeling
Convergence
Data models
Devices
Edge computing
Federated learning
federated learning (FL)
global model
Internet of Things
local model
Machine learning
on-device training
Privacy
resource-constrained Internet-of-Things (IoT) devices
Servers
Storage capacity
Training
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Summary:Federated learning (FL) is a distributed machine learning strategy that generates a global model by learning from multiple decentralized edge clients. FL enables on-device training, keeping the client's local data private, and further, updating the global model based on the local model updates. While FL methods offer several advantages, including scalability and data privacy, they assume there are available computational resources at each edge-device/client. However, the Internet-of-Things (IoT)-enabled devices, e.g., robots, drone swarms, and low-cost computing devices (e.g., Raspberry Pi), may have limited processing ability, low bandwidth and power, or limited storage capacity. In this survey article, we propose to answer this question: how to train distributed machine learning models for resource-constrained IoT devices? To this end, we first explore the existing studies on FL, relative assumptions for distributed implementation using IoT devices, and explore their drawbacks. We then discuss the implementation challenges and issues when applying FL to an IoT environment. We highlight an overview of FL and provide a comprehensive survey of the problem statements and emerging challenges, particularly during applying FL within heterogeneous IoT environments. Finally, we point out the future research directions for scientists and researchers who are interested in working at the intersection of FL and resource-constrained IoT environments.
ISSN:2327-4662
2327-4662
DOI:10.1109/JIOT.2021.3095077