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1. 燕山大学 电气工程学院, 河北 秦皇岛 066004
2. 浙江杭申电气集团有限公司, 浙江 杭州 311234
纸质出版日期:2018-5-5,
网络出版日期:2018-1-5,
收稿日期:2017-9-4,
修回日期:2017-11-23,
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王志斌, 董伟, 任英等. 可见光通信中的白光LED非线性噪声分析[J]. 发光学报, 2018,39(5): 745-750
WANG Zhi-bin, DONG Wei, REN Ying etc. Nonlinear Noise Analysis About White LED in Visible Light Communication[J]. Chinese Journal of Luminescence, 2018,39(5): 745-750
王志斌, 董伟, 任英等. 可见光通信中的白光LED非线性噪声分析[J]. 发光学报, 2018,39(5): 745-750 DOI: 10.3788/fgxb20183905.0745.
WANG Zhi-bin, DONG Wei, REN Ying etc. Nonlinear Noise Analysis About White LED in Visible Light Communication[J]. Chinese Journal of Luminescence, 2018,39(5): 745-750 DOI: 10.3788/fgxb20183905.0745.
针对LED的非线性特征,提出一种计算OOK调制可见光通信系统的非线性噪声的方法,进而求出传输信噪比以及误码率。运用Matlab仿真分析得出LED直流偏置点和误码率的关系曲线,并通过可见光通信系统图像传输实验验证了该曲线的正确性。该曲线对于LED的型号和最佳偏置点的选取具有很好的指导意义。
An algorithm of nonlinearity noise led by LED nonlinearity was proposed. The signal-to-noise ratio and bit error rate of visible light communications system with OOK modulation could be obtained through the algorithm. The curve about the relation between LED bias point and bit error rate were plotted with Matlab simulation. The results were proved by visible light communication system image transmission experiment. The curve has great significance on the choice of proper LED model and bias point about VLC system experiment.
可见光通信白光LEDOOK调制非线性噪声误码率
visible light conmunication(VLC)white LEDOOK modulationnonlinearity noisebit error rate(BER)
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