arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2411.03365cs.CRcs.AIcs.LGcs.NI
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增强5G网络中的实时威胁检测:一种用于频谱入侵分析的自注意力RNN自编码器方法

Enhanced Real-Time Threat Detection in 5G Networks: A Self-Attention RNN Autoencoder Approach for Spectral Intrusion Analysis

Purdue University(普渡大学);Mississippi State University(密西西比州立大学)

Mohammadreza Kouchaki, Minglong Zhang, Aly S. Abdalla, Guangchen Lan, Christopher G. Brinton, Vuk Marojevic

AI总结:

提出一种结合自注意力机制与RNN自编码器的模型,用于5G网络波形级频谱异常检测,在SDR测试平台上实现高效准确的实时威胁识别。

摘要:

在5G技术快速发展的背景下,保护射频(RF)环境免受复杂入侵至关重要,尤其是在动态频谱接入与管理中。本文提出了一种增强的实验模型,将自注意力机制与基于循环神经网络(RNN)的自编码器相结合,用于在波形级别检测5G网络中的异常频谱活动。我们的方法基于时间序列分析,处理同相和正交(I/Q)样本,以识别可能指示潜在干扰攻击的不规则性。该模型架构通过自注意力层增强,扩展了RNN自编码器的能力,使其能够更细致地理解RF频谱中的时间依赖性和上下文关系。利用由srsRAN 5G和软件定义无线电(SDR)构建的模拟5G无线接入网(RAN)测试平台,我们生成了反映真实世界RF频谱条件和攻击场景的全面数据流。该模型被训练用于重建标准信号行为,建立了一个规范基线,据此识别指示安全威胁的偏差。所提出的架构旨在平衡检测精度与计算效率,因此,通过自注意力增强的LSTM网络持续优化以最小化执行延迟和功耗。在基于真实SDR的测试平台上进行的实验结果表明,该模型在威胁检测方面具有改进的性能和准确性。关键词:自注意力,实时入侵检测,RNN自编码器,Transformer架构,LSTM,时间序列异常检测,5G安全,频谱接入安全。

英文摘要:

In the rapidly evolving landscape of 5G technology, safeguarding Radio Frequency (RF) environments against sophisticated intrusions is paramount, especially in dynamic spectrum access and management. This paper presents an enhanced experimental model that integrates a self-attention mechanism with a Recurrent Neural Network (RNN)-based autoencoder for the detection of anomalous spectral activities in 5G networks at the waveform level. Our approach, grounded in time-series analysis, processes in-phase and quadrature (I/Q) samples to identify irregularities that could indicate potential jamming attacks. The model's architecture, augmented with a self-attention layer, extends the capabilities of RNN autoencoders, enabling a more nuanced understanding of temporal dependencies and contextual relationships within the RF spectrum. Utilizing a simulated 5G Radio Access Network (RAN) test-bed constructed with srsRAN 5G and Software Defined Radios (SDRs), we generated a comprehensive stream of data that reflects real-world RF spectrum conditions and attack scenarios. The model is trained to reconstruct standard signal behavior, establishing a normative baseline against which deviations, indicative of security threats, are identified. The proposed architecture is designed to balance between detection precision and computational efficiency, so the LSTM network, enriched with self-attention, continues to optimize for minimal execution latency and power consumption. Conducted on a real-world SDR-based testbed, our results demonstrate the model's improved performance and accuracy in threat detection. Keywords: self-attention, real-time intrusion detection, RNN autoencoder, Transformer architecture, LSTM, time series anomaly detection, 5G Security, spectrum access security.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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