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VLC Based Positioning Scheme in Vehicle-to-Infra(V2I) Environment
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 Title & Authors
VLC Based Positioning Scheme in Vehicle-to-Infra(V2I) Environment
Kim, Byung Wook; Song, Deok-Weon; Lee, Ji-Hwan; Jung, Sung-Yoon;
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Although GPS technology for location positioning system has been widely used, it is difficult to be used in intelligent transport systems, due to the large positioning error and limited area for receiving radio signals. Thanks to the rapid development of LED technology, LED lights become popular in many applications. Especially, visible light communications (VLC) has raised a lot of interests because of the simultaneous functioning of LED illumination and communication. Recent studies on positioning system using VLC mainly focused on indoor environments and still difficult to satisfy positioning accuracy and simple implementation simultaneously. In this paper, we propose a positioning system based on VLC using the coordinate information of LEDs installed on the road infrastructure. Extracting the LED signal, obtained through VLC, from the easily accessible camera image, it is possible to estimate the position of the car on the road. Simulation results show that the proposed scheme can achieve a high positioning accuracy of 1 m when large number of pixels is utilized and the distance from the LED light is close.
Visible light communication;Positioning;light emitting diode;Collinearity condition;
 Cited by
장거리 고정밀 측위를 위한 UWB IR 시스템 구현,김기윤;김길겸;김태권;

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