Indoor multisource channel characteristic for visible light communication |
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Authors: | CHENG Rong YAN Xiao-ming |
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Affiliation: | College of Communication Engineering, Jilin University, Changchun 130012, China |
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Abstract: | In this paper, we present a wavelength depended ray-tracing algorithm to model the indoor multisource channel impulse response for visible light communication (VLC). We compare the multipath loss difference between multisource and unisource channel. We also analyze the root mean square (RMS) delay spread and average time delay of three typical wavelengths as VLC holds a wide spectrum from 380 nm to 780 nm, the spectral reflectance of walls is wavelength-dependent. And the result shows that the blue light emitting diode (LED) owns a larger communication bandwidth than other wavelengths in the room with plastic walls. Also, the path loss of three different wavelengths is compared. |
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Keywords: | VLC ray-tracing multisource wavelength-dependent |
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