ISI Modeling and BER Performance for Rotating Light-Trail Image Sensor Communication
摘要
Image sensor communication (ISC) employing a propeller-LED transmitter encodes data along rotating light trails. We present an analytical framework that (i) constructs a single-LED, single-blink light trail model that maps optical power to pixel values, and (ii) integrates a probabilistic noise model to derive a closed-form bit-error rate (BER) using the -function. Trimodal pixel-value histograms motivate an adjacent-only inter-symbol interference (ISI) model in which the decision at segment depends on adjacent segments. Applying a hardest-pair midpoint threshold yields per-segment BER and a general BER after marginalization. We further provide practical sufficiency conditions under which adjacent-only ISI is adequate, and validate its tightness against Monte Carlo simulations and experimental results. Using the analytical BER, we select the control angle that maximizes throughput while satisfying a target BER reliability constraint.
引用
@article{arxiv.2605.17272,
title = {ISI Modeling and BER Performance for Rotating Light-Trail Image Sensor Communication},
author = {Shin Asaoka and Shan Lu and Zhengqiang Tang and and Takaya Yamazato},
journal= {arXiv preprint arXiv:2605.17272},
year = {2026}
}