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750 Mb/s monochromatic LED-based real-time visible light communication system employing a low-complexity cascaded post-equalizer

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Abstract

We experimentally demonstrate a 750 Mb/s real-time visible light communication (VLC) system based on non-return-to-zero on–off keying modulation by employing single commercially available monochromatic light-emitting diodes. To enhance the 3-dB bandwidth of the VLC link, we propose a low-complexity cascaded post-equalizer based on NPN transistors. With two different frequency-selecting networks in our post-equalizer, the highest achieved 3-dB bandwidth of the VLC link is 370 MHz. The highest achieved data rate is 750 Mb/s at a communication distance of 170 cm with a bit error rate below 1×10?6, which is far below the forward error correction limit (3.8×10?3). Based on our monochromatic VLC system, a wavelength-division multiplexing VLC system could be designed with a higher data rate.

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DOI:10.3788/col201614.120604

所属栏目:Fiber optics and optical communication

收稿日期:2016-08-24

录用日期:2016-11-11

网络出版日期:2016-11-30

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Jiabin Luo:Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, Beijing 1 00081 , ChinaSchool of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
Yi Tang:Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, Beijing 1 00081 , ChinaSchool of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
Huiping Jia:Department of Materials Science and Engineering, Erik Jonsson School of Engineering and Computer Science, University of Texas at Dallas, Richardson, Texas 75083 , USA
Qingwei Zhu:Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, Beijing 1 00081 , ChinaSchool of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
and Wei Xue唯 薛:Key Laboratory of Photoelectronic Imaging Technology and System, Ministry of Education of China, Beijing 1 00081 , ChinaSchool of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China

联系人作者:联系作者(tangyi4510@bit.edu.cn)

备注:This work was supported by the National 973 Project of China (No. 2013CB329202) and the National Natural Science Foundation of China (No. 61571067).

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