Performance Analysis of Indoor Visible Light Communication System Under Fluorescence Interference

被引:0
|
作者
Dang Yuchao [1 ]
Cao Yang [1 ]
Chen Guo [1 ]
机构
[1] Chongqing Univ Technol, Sch Elect & Elect Engn, Chongqing 400054, Peoples R China
关键词
optical communications; visible light communication; fluorescence interference; sinusoidal distortion; wavelet transform; threshold shrinkage;
D O I
10.3788/LOP57.170604
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The indoor visible light communication system under the fluorescence interference is tested experimentally. The time-domain waveform of the received signal under fluorescence interference for the indoor visible light communication system modulated by on-off keying (OOK) modulation is obtained. Then a transmission baseband model and a 5 m X 5 m X 3 m indoor three-dimensional model arc used to obtain the indoor bit error rate distribution. The influence of fluorescence interference on the performance of indoor visible light communication receivers is analyzed. The results show that the fluorescence interference is in the form of additive noise in the received signal, which leads to sinusoidal periodic signal distortion of the received signal. The fluorescence interference spectrum covers a wide range, and signals with a transmission rate of 10-1000 Mbit/s arc affected. The signal is denoised by wavelet transform. The results show that the scale flexibility of wavelet transform can eliminate the fluorescence interference.
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页数:7
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