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Multiple RIS-assisted federated learning system based on channel quality device selection algorithm

delete2025-09-15
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OA
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Y
Yujun Cai *
李
李书锋 (Shufeng Li)
J
Jianbo Liu
X
Xinruo Zhang
X
Xiaowei Shen
DOI:10.1007/s40747-025-02087-1delete
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摘要

摘要

En 中文
机器学习已被引入以协助人类处理跨领域的复杂计算。然而,关于用户隐私不足的担忧阻碍了其在通信系统中的广泛应用。为提高通信效率并减少与机器学习相关的开销,可重构智能表面(RIS)和空中计算(AirComp)已被用作支持性技术。同时,联邦学习(FL)作为一种替代方案出现,通过仅需交换梯度信息来保护用户隐私并缓解通信延迟问题。研究表明,将FL与RIS集成可提升系统模型的性能。在此背景下,我们提出了一种多RIS辅助的空中计算联邦学习系统,该系统整合了基于信道质量的设备选择算法。该算法根据通信信道条件识别参与训练过程的最佳设备。仿真结果表明,我们提出的模型在测试准确性和收敛速度方面优于基准设计。
Keyword:
Reconfigurable intelligent surface
Federated learning
Over-the-air computation
Device selection
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Complex and Intelligent Systems 封面图
Complex and Intelligent Systems
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school of information and engineering communication
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School of Computer Science and Electronic Engineering
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