Traffic light to vehicle visible light communication channel characterization

被引：55
|
作者：
Cui, Kaiyun [1 ]
Chen, Gang [1 ]
Xu, Zhengyuan [2 ,3 ]
Roberts, Richard D. [4 ]
机构：
[1] Univ Calif Riverside, Dept Elect Engn, Riverside, CA 92521 USA
[2] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China
[3] Tsinghua Univ, Tsinghua Natl Lab Informat Sci & Technol TNList, Beijing 100084, Peoples R China
[4] Intel Labs, Hillsboro, OR 97124 USA
来源：
APPLIED OPTICS | 2012年 / 51卷 / 27期
关键词：
Light emitting diodes - Vehicle to vehicle communications - Intelligent vehicle highway systems - Intelligent systems - Light;
D O I：
10.1364/AO.51.006594
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Outdoor visible light communication (VLC) between an LED traffic light and an automobile has been proposed for intelligent transportation system development. An unobstructed line-of-sight (LOS) channel has to be guaranteed for this communication system. In this paper, an analytical LOS path loss model is proposed and validated by the measurement results. Commercial-off-the-shelf (COTS) LED traffic lights are characterized for use as transmitters and possible interference sources are studied, such as background solar radiation and artificial lighting. Accordingly, the performance of an outdoor VLC system is evaluated using different modulation schemes. (C) 2012 Optical Society of America
引用
收藏
页码：6594 / 6605
页数：12
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