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March 3, 202620 citationsOpen Access

Lightweight AI-Based Attack Detection for LED VLC in Multi-Channel Airborne Radar Systems

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VNVadim A. NenashevVKVladimir P. KuzmenkoSDSvetlana S. Dymkova

Key Points

  • The research aims to create a lightweight AI-based architecture for detecting attacks on LED VLC systems in airborne radar applications.
  • Developed an interpretable AI detection model using Poisson photon-counting observations.
  • Employed a combination of monotonic logistic and one-class detectors for decision-making.
  • Considered various attack vectors including jamming, spoofing, and data poisoning.
  • Achieved a detection probability of at least 90% with specified mean-count increments for different attack types.
  • Maintained a low false-alarm probability at 4.5%.
  • Ensured real-time operation with an end-to-end latency of 20 microseconds.

Abstract

Compact multi-channel airborne radar stations increasingly rely on an LED-based visible light communication (VLC) service link under radio-frequency spectrum restrictions and strict end-to-end delay constraints. Despite the directional nature of optical links, the VLC channel remains vulnerable to active optical interference and signal injection; furthermore, when an AI-enabled integrity monitor is embedded into the receiver, the AI decision layer becomes a direct target of evasion and online poisoning. This paper proposes a lightweight, interpretable AI-based attack detection architecture in which a Poisson photon-counting observation model is used to form physically consistent features over the preamble and control-sequence interval, while the final decision is produced by an AI ensemble combining a monotonic logistic detector and a one-class detector. The considered threat profile includes sustained illumination and synchronized flashes (jamming/blinding), spoofing via false preambles, replay of recorded fragments, and online data poisoning during self-calibration. The adequacy of solutions is assessed using the detection probability PD (ensemble: PD ≥ 0.90 for DC-jamming mean-count increment ΔλDC ≈ 7.56, pulsed-interference mean-count increment Δλpulse ≈ 12.89, and spoofing signal-scaling factor α ≈ 1.02), the false-alarm probability PFA = 0.045, and the per-packet end-to-end latency (bounded by the observation-window duration LΔT = 20 μs, where window length L = 20 and interval duration ΔT = 1 μs), which confirms real-time CPU operation without GPU acceleration.

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Cite This Study

Nenashev et al. (2026) studied this question.

synapsesocial.com/papers/69a67ec3f353c071a6f0a274https://doi.org/10.3390/fi18030124
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