arXiv:2502.10070cs.ITcs.LG2025-02被引 3

将拓扑神经网络引入无线通信场景,实现抗信道干扰的分布式计算。

Topological Neural Networks over the Air

  • 在规则细胞复形上设计可空中计算的拓扑神经网络
  • 训练推理时融合衰落与噪声模型,提升通信鲁棒性
  • 适用于边缘计算、物联网等实际无线部署场景

拓扑神经网络(TNN)是基于拓扑空间(如单纯复形或细胞复形)数据表示的信息处理架构,支持通过局部通信实现分布式计算。现有TNN架构尚未考虑真实通信场景中的信道效应,如衰落和噪声。本文提出一种新型TNN设计,运行于规则细胞复形,支持过空气计算,并将无线通信模型融入架构。具体而言,在训练与推理过程中,该方法在不同信号阶数和邻域上的拓扑卷积操作中引入衰落与噪声,以模拟实际信道影响。数值结果表明,该架构在测试中对信道扰动具有强鲁棒性,性能优于现有通信无关或图基架构。

原文摘要 · Abstract (English)

Topological neural networks (TNNs) are information processing architectures that model representations from data lying over topological spaces (e.g., simplicial or cell complexes) and allow for decentralized implementation through localized communications over different neighborhoods. Existing TNN architectures have not yet been considered in realistic communication scenarios, where channel effects typically introduce disturbances such as fading and noise. This paper aims to propose a novel TNN design, operating on regular cell complexes, that performs over-the-air computation, incorporating the wireless communication model into its architecture. Specifically, during training and inference, the proposed method considers channel impairments such as fading and noise in the topological convolutional filtering operation, which takes place over different signal orders and neighborhoods. Numerical results illustrate the architecture's robustness to channel impairments during testing and the superior performance with respect to existing architectures, which are either communication-agnostic or graph-based.

拓扑网络无线计算分布式学习

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