Device Scheduling in Over-the-Air Federated Learning Via Matching Pursuit

被引:7
|
作者
Bereyhi, Ali [1 ]
Vagollari, Adela [2 ]
Asaad, Saba [3 ]
Muller, Ralf R. [2 ]
Gerstacker, Wolfgang [2 ]
Poor, H. Vincent [4 ]
机构
[1] Univ Toronto, Wireless Comp Lab, Toronto, ON M5S 2E4, Canada
[2] Friedrich Alexander Univ Erlangen Nurnberg, Inst Digital Commun, D-91058 Erlangen, Bayern, Germany
[3] York Univ, Next Generat Wireless Networks, Res Lab, Toronto, ON M3J 1P3, Canada
[4] Princeton Univ, Dept Elect & Comp Engn, Princeton, NJ 08544 USA
基金
美国国家科学基金会;
关键词
Device scheduling; federated learning; matching pursuit; over-the-air computation; ANALOG FUNCTION COMPUTATION; ULTRA-DENSE NETWORKS; SIGNAL RECOVERY; ENABLING TECHNOLOGIES; ENERGY; ALGORITHMS; CHALLENGES;
D O I
10.1109/TSP.2023.3284376
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper develops a class of low-complexity device scheduling algorithms for over-the-air federated learning via the method of matching pursuit. The proposed scheme tracks closely the close-to-optimal performance achieved by difference-of-convex programming, and outperforms significantly the well-known benchmark algorithms based on convex relaxation. Compared to the state-of-the-art, the proposed scheme imposes a drastically lower computational load on the system: for K devices and N antennas at the parameter server, the benchmark complexity scales with (N-2 + K)(3) + N-6 while the complexity of the proposed scheme scales with (KNq)-N-p for some 0 < p, q <= 2. The efficiency of the proposed scheme is confirmed through the convergence analysis and numerical experiments on CIFAR-10 dataset.
引用
收藏
页码:2188 / 2203
页数:16
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