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Cited by 455

The DOI matches its Crossref record; 32 of the 32 references it cites were found in a registry or an index.

HFEL: Joint Edge Association and Resource Allocation for Cost-Efficient Hierarchical Federated Edge Learning

Open access
Luo, Siqi, Chen, Xu, Wu, Qiong, Zhou, Zhi, Yu, Shuai·2020·IEEE Transactions on Wireless Communications

Abstract

Federated Learning (FL) has been proposed as an appealing approach to handle data privacy issue of mobile devices compared to conventional machine learning at the remote cloud with raw user data uploading. By leveraging edge servers as intermediaries to perform partial model aggregation in proximity and relieve core network transmission overhead, it enables great potentials in low-latency and energy-efficient FL. Hence we introduce a novel Hierarchical Federated Edge Learning (HFEL) framework in which model aggregation is partially migrated to edge servers from the cloud. We further formulate a joint computation and communication resource allocation and edge association problem for device users under HFEL framework to achieve global cost minimization. To solve the problem, we propose an efficient resource scheduling algorithm in the HFEL framework. It can be decomposed into two subproblems: resource allocation given a scheduled set of devices for each edge server and edge association of device users across all the edge servers. With the optimal policy of the convex resource allocation subproblem for a set of devices under a single edge server, an efficient edge association strategy can be achieved through iterative global cost reduction adjustment process, which is shown to converge to a stable system point. Extensive performance evaluations demonstrate that our HFEL framework outperforms the proposed benchmarks in global cost saving and achieves better training performance compared to conventional federated learning.

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Metadata

Authors
Luo, S., Chen, X., Wu, Q., Zhou, Z., & Yu, S.
Venue
IEEE Transactions on Wireless Communications
Published
2020-10
Volume
19
Issue
10
Pages
6535-6548
ISSN
  • 1536-1276 (ISSN-L)
  • 1558-2248
OpenAlex
W3037582816
Cited by
455
References
32
FWCI
27.35
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: HFEL: Joint Edge Association and Resource Allocation for Cost-Efficient Hierarchical Federated Edge Learning. https://app.cochat.ai/papers/10.1109/twc.2020.3003744
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Luo, S., Chen, X., Wu, Q., Zhou, Z., & Yu, S. (2020). HFEL: Joint Edge Association and Resource Allocation for Cost-Efficient Hierarchical Federated Edge Learning. IEEE Transactions on Wireless Communications. https://doi.org/10.1109/twc.2020.3003744

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