Can Commercial LED Bulbs Pose a Threat to PLC System Security?

GLOBECOM 2022 - 2022 IEEE Global Communications Conference Pub Date : 2022-12-04 DOI:10.1109/GLOBECOM48099.2022.10001100

Yara Yaacoub, F. Nouvel, S. Haese, J. Baudais

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Abstract

Techniques that improve interfacing between power-line communication (PLC) systems and LED-based visible light communication (VLC) systems start to gain attention in recent years. Indeed, this hybrid system is able to provide simultaneously power, lighting, and data transmission. Contrariwise, if the integration between PLC and commercial LED bulbs is done unintentionally, the risks of PLC data leakage by commercial LED bulbs must be carefully analyzed. Thus, in this paper, the risks of eavesdropping on the PLC network via commercial LED bulbs are studied. The impact of the LED driver on PLC data leakage through LED bulbs is explained. The electrical-optical channel transfer function for different LED bulbs and the power spectral density of the signal received through the LED bulbs when two commercial powerline modems are plugged into the same power line are measured. Afterwards, pseudo random binary sequence signals are injected into the electrical-optical channel in order to assess quantitatively the possibility to extract information from the received signal. Finally, simple LED driver modifications that foster and increase the leakage are analyzed.

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商用LED灯泡会对PLC系统安全构成威胁吗?

近年来，改善电力线通信(PLC)系统和基于led的可见光通信(VLC)系统之间接口的技术开始受到关注。事实上，这种混合系统能够同时提供电力、照明和数据传输。相反，如果无意中将PLC与商用LED灯泡集成，则必须仔细分析商用LED灯泡泄漏PLC数据的风险。因此，本文对商用LED灯泡窃听PLC网络的风险进行了研究。阐述了LED驱动器对PLC数据通过LED灯泡泄漏的影响。测量了不同LED灯泡的电光通道传递函数，以及将两个商用电力线调制解调器插入同一根电力线时，LED灯泡接收到的信号的功率谱密度。然后，将伪随机二进制序列信号注入到电光通道中，以定量评估从接收信号中提取信息的可能性。最后，简单的LED驱动器的修改，培育和增加泄漏分析。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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GLOBECOM 2022 - 2022 IEEE Global Communications Conference

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