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| 200 Mb/s visible optical wireless transmission based on NRZ–OOK modulation of phosphorescent white LED and a pre-emphasis circuit | |
| 作者姓名： | Honglei Li Xiongbin Chen Junqing Guo Danying Tang Beiju Huang Hongda Chen |
| 作者单位： | Honglei Li:State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China Xiongbin Chen:State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China Junqing Guo:State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China Danying Tang:State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China Beiju Huang:State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China Hongda Chen:State Key Laboratory of Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China |
| 基金项目： | supported by the National “973” Program of China(Nos.2013CB329205 and 2011CBA00608);the National “863” Program of China(Nos.2013AA013602,2013AA013603,2013AA03A104,and 2013AA031903);the National Natural Science Foundation of China(Nos.61036002 and 61178051) |
| 摘 要： | We present a high-speed visible light communication （VLC） link that uses a commercially available phos- phorescent white light-emitting diode （LED）. Such devices have few megahertz bandwidth due to the slow response of phosphorescent component, which severely limit the transmission data rate of VLC system. We propose a simple pre-emphasis circuit. With blue-filtering and the pre-emphasis circuit, the bandwidth of VLC system can be enhanced from 3 to 77.6 MHz, which allows non-return-to-zero on-off-keying （NRZ- OOK） data transmission up to 200 Mb/s with the bit error ratio of 5.3 × 10-7 which is below 10-6. The VLC link operates at the room illumination level of -1000 lx at 1.1 m range using a single 1 W white LED. |
| 关 键 词： | 预加重电路 白光LED 可见光通信 无线传输 磷光 白色发光二极管 调制 光学 |
| 收稿时间： | 2014-05-19 |
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