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Open AccessArticle

Optimal User Selection for High-Performance and Stabilized Energy-Efficient Federated Learning Platforms

1
School of Computer Science and Engineering, Chung-Ang University, Seoul 06974, Korea
2
School of Electrical Engineering, Korea University, Seoul 02841, Korea
3
Department of Telecommunication Engineering, Jeju National University, Jeju 63243, Korea
*
Authors to whom correspondence should be addressed.
Electronics 2020, 9(9), 1359; https://doi.org/10.3390/electronics9091359
Received: 21 June 2020 / Revised: 1 August 2020 / Accepted: 17 August 2020 / Published: 21 August 2020
(This article belongs to the Special Issue Energy-Aware and Efficient Computing and Communications)
Federated learning-enabled edge devices train global models by sharing them while avoiding local data sharing. In federated learning, the sharing of models through communication between several clients and central servers results in various problems such as a high latency and network congestion. Moreover, battery consumption problems caused by local training procedures may impact power-hungry clients. To tackle these issues, federated edge learning (FEEL) applies the network edge technologies of mobile edge computing. In this paper, we propose a novel control algorithm for high-performance and stabilized queue in FEEL system. We consider that the FEEL environment includes the clients transmit data to associated federated edges; these edges then locally update the global model, which is downloaded from the central server via a backhaul. Obtaining greater quantities of local data from the clients facilitates more accurate global model construction; however, this may be harmful in terms of queue stability in the edge, owing to substantial data arrivals from the clients. Therefore, the proposed algorithm varies the number of clients selected for transmission, with the aim of maximizing the time-averaged federated learning accuracy subject to queue stability. Based on this number of clients, the federated edge selects the clients to transmit on the basis of resource status. View Full-Text
Keywords: federated learning; optimization; mobile edge computing federated learning; optimization; mobile edge computing
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Jeon, J.; Park, S.; Choi, M.; Kim, J.; Kwon, Y.-B.; Cho, S. Optimal User Selection for High-Performance and Stabilized Energy-Efficient Federated Learning Platforms. Electronics 2020, 9, 1359.

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