AC-based phosphor LED visible light communication by utilizing novel signal modulation

被引：0
|
作者：
Y. F. Liu
C. H. Yeh
C. W. Chow
Y. L. Liu
机构：
[1] National Chiao Tung University,Department of Photonics, Institute of Electro
[2] Industrial Technology Research Institute (ITRI),Optical Engineering
[3] Fu Jen Catholic University,Information and Communications Research Laboratories
来源：
Optical and Quantum Electronics | 2013年 / 45卷
关键词：
AC LED; Visible light communication (VLC); Networking;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We propose and demonstrate a new AC-light emitting diode based visible light communication system, in which the message signal is up-converted to 400 kHz frequency band and combine with the 60 Hz AC-power from the outlet. A special design bias-tee circuit is first implemented to combine the message signal and the AC-power for minimizing the signal distortion. Thus, the spectra of both signals are well separated. A special design clock recovery is used to synchronize the AC-power with the message signal; hence the message signal can be correctly applied to the rectified AC-power cycle.
引用
收藏
页码：1057 / 1061
页数：4
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