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Measurement-based VLC channel characterization for I2V communications in a real urban scenario

机译：基于测量的VLC信道表征在真实城市场景中的I2V通信

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Visible light communication (VLC) is nowadays envisaged as a promising technology to enable new classes of services in intelligent transportation systems ranging, e.g., from assisted driving to autonomous vehicles. The assessment of the performance of VLC for automotive applications requires as a basic step a model of the transmission pattern and propagation of the VLC signal when real traffic-lights and road scenarios are involved. In this paper an experimental measurement campaign has been carried out by using a regular traffic-light as source (red light) and a photoreceiver positioned, statically, at different distances and heights along the road. A linear regression technique is used to come up with different propagation models. The proposed models have been compared, in terms of accuracy and complexity, to the conventional Lambertian model to describe the VLC channel in a real urban scenario. The proposed models provides a significant higher accuracy with comparable complexity. (C) 2020 Elsevier Inc. All rights reserved.
机译：如今，可见光通信（VLC）被设想为一个有希望的技术，以实现智能交通系统的新阶段服务，例如，从辅助驾驶到自动车辆。对汽车应用程序的VLC性能的评估需要作为当涉及真正的交通信号灯和道路场景时VLC信号的传输模式和传播的基本步骤。在本文中，通过使用常规的交通灯作为源（红光）和静态地，在沿着道路的不同距离和高度处定位的光射向，通过使用常规交通灯来进行实验测量运动。线性回归技术用于提出不同的传播模型。在准确性和复杂性方面，已经将所提出的模型与传统的Lambertian模型进行比较，以描述真正的城市情景中的VLC信道。拟议的模型提供了具有可比复杂性的显着更高的准确性。 （c）2020 Elsevier Inc.保留所有权利。

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