Numerical analysis on an OOK-NRZ visible light communication system based on a single white LED

被引：5
|
作者：
Jia Y. [1 ]
Ye W. [1 ]
Tian C. [1 ]
Quan X. [1 ]
Wang J. [1 ]
Song Z. [1 ]
Zheng C. [1 ]
机构：
[1] State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University
来源：
Optoelectronics Letters | 2011年 / 7卷 / 5期
关键词：
IEEE Photon; Communication Distance; Visible Light Communication; Coherent Demodulator; Single Lead;
D O I：
10.1007/s11801-011-1050-7
中图分类号：
学科分类号：
摘要：
An OOK-NRZ visible light communication (VLC) system is designed by using a single white LED and a 550 nm visible photodetector. The emitting model of the single LED is established, and the general expression of the detector's output signals under OOK modulation is deduced. With the selected LED, detector and other related parameters, the designed communication system is optimized and its performance is analyzed. The optimized communication distance between the LED and the detector is 0.54 m at the communication bit rate of 1 Mbit/s. With the best communication distance, when the signal-to-noise ratio (SNR) is larger than 6.5 dB, the bit error rate (BER) can drop to 10-4. The analytical model and theory presented in this paper can be of certain practical meanings in the design of similar communication systems. © 2011 Tianjin University of Technology and Springer-Verlag Berlin Heidelberg.
引用
收藏
页码：376 / 379
页数：3
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