The Performance Analysis on Visible Light Communications Multi-LED Parallel Superposition High Speed Transmission

被引：0
|
作者：
Wang, Chao [1 ]
Yang, Yuhong [1 ]
Zhu, Yijun [1 ]
机构：
[1] Natl Digital Swiching Syst Engn Technol Res Ctr, Zhengzhou 450002, Peoples R China
来源：
PROCEEDINGS OF 2014 IEEE INTERNATIONAL CONFERENCE ON PROGRESS IN INFORMATICS AND COMPUTING (PIC) | 2014年
关键词：
visible light communications; high-speed communications; the user-specific interleaver; superposition coded modulation; light emitting diode; photodiode; CODED MODULATION;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The transmission rate of visible light communications (VLC) remains low as the low modulation bandwidth performance of light emitting diode (LED). This paper proposes a transmission system consisting of multiple LEDs and a photodiode (PD) to increase the transmission rate. We combines the radio superposition coded modulation (SCM), interleave division multiple access(IDMA) technology with VLC. To fit the driving voltage non-negative characteristics of LED and detect the mixed multi-LED light intensity signals, the VLC multi-LED parallel transmission based on OOK modulation scheme is proposed, which has about K (K is the number LED wicks) times the transmission rate of the traditional ways. Finally, we analyze the number of iterations, the different specific interleaver and the driving voltages that are the factors influence the transmission performance. The simulation also verifies the high speed transmission capability and the anti-nonlinearity performance of the proposed scheme.
引用
收藏
页码：466 / 470
页数：5
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