Visible Light Communications in Intelligent Transportation Systems

被引：0
|
作者：
Kumar, Navin [1 ]
Lourenco, Nuno [1 ]
Terra, Domingos [1 ]
Alves, Luis N. [2 ]
Aguiar, Rui L. [2 ]
机构：
[1] Inst Telecommun, P-3810193 Aveiro, Portugal
[2] Univ Aveiro, Dept Elect Telecommum & Informat Engn, P-3810193 Aveiro, Portugal
来源：
2012 IEEE INTELLIGENT VEHICLES SYMPOSIUM (IV) | 2012年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Emerging intelligent transportation systems (ITS) are based on several technologies. A new concept of integrating visible light communications (VLC) in ITS is introduced in this paper. VLC in ITS is a cost effective method of implementation. This paper presents a VLC broadcast system considering LED-based traffic lights. It discusses the integration of traffic light road side unit (RSUs) within the existing ITS architecture. A prototype demonstrator of the designed VLC systems is also presented. A robust modulation technique based on direct sequence spread spectrum (DSSS) sequence inverse keying (SIK) has been implemented to minimize the effect of noise sources. Experimental results show data communication range of over 40m with 200mm custom designed traffic light, even during bright sun light.
引用
收藏
页码：748 / 753
页数：6
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