Joint Optimization of Resource Allocation and Data Selection for Fast and Cost-Efficient Federated Edge Learning

• URL: http://arxiv.org/abs/2407.02888v1
• Date: Wed, 3 Jul 2024 08:03:59 GMT
• Title: Joint Optimization of Resource Allocation and Data Selection for Fast and Cost-Efficient Federated Edge Learning
• Authors: Yunjian Jia, Zhen Huang, Jiping Yan, Yulu Zhang, Kun Luo, Wanli Wen,
• Abstract summary: Deploying learning at the wireless edge introduces FEEL (FEEL) We propose an efficient system, a federated joint resource allocation and data selection. The superiority of our proposed scheme of joint resource allocation and data selection is validated.
• Score: 9.460012379815423
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Deploying federated learning at the wireless edge introduces federated edge learning (FEEL). Given FEEL's limited communication resources and potential mislabeled data on devices, improper resource allocation or data selection can hurt convergence speed and increase training costs. Thus, to realize an efficient FEEL system, this paper emphasizes jointly optimizing resource allocation and data selection. Specifically, in this work, through rigorously modeling the training process and deriving an upper bound on FEEL's one-round convergence rate, we establish a problem of joint resource allocation and data selection, which, unfortunately, cannot be solved directly. Toward this end, we equivalently transform the original problem into a solvable form via a variable substitution and then break it into two subproblems, that is, the resource allocation problem and the data selection problem. The two subproblems are mixed-integer non-convex and integer non-convex problems, respectively, and achieving their optimal solutions is a challenging task. Based on the matching theory and applying the convex-concave procedure and gradient projection methods, we devise a low-complexity suboptimal algorithm for the two subproblems, respectively. Finally, the superiority of our proposed scheme of joint resource allocation and data selection is validated by numerical results.

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