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Circuit Experiment of Photodiode-Type Visible Light Communication Using the Stochastic Resonance Generated by Interfering Light Noise

This study focuses on visible light communication (VLC) using a photodiode as a receiver. Accurate data transmission by this type of VLC is a challenge because the photodiode cannot detect weak light of subthreshold intensity owing to its insufficient light sensitivity. To overcome this problem, we...

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Main Authors: Arai, Shintaro, Tamura, Wataru, Yamazato, Takaya, Hatano, Hiroyuki, Saito, Masato, Tanaka, Hiroya, Tadokoro, Yukihiro
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Tamura, Wataru
Yamazato, Takaya
Hatano, Hiroyuki
Saito, Masato
Tanaka, Hiroya
Tadokoro, Yukihiro
description This study focuses on visible light communication (VLC) using a photodiode as a receiver. Accurate data transmission by this type of VLC is a challenge because the photodiode cannot detect weak light of subthreshold intensity owing to its insufficient light sensitivity. To overcome this problem, we employ a stochastic resonance, which is a nonlinear phenomenon in which the response characteristics of a system improve as its noise intensity increases, for the receiver of this VLC system. We also employ additive light-emitting diode light, which interferes in the photodiode as intentional noise. As an experimental result, the stochastic resonance was achieved by setting the parameters of the noise source appropriately, and we recovered the weak transmitting signal at the receiver.
doi_str_mv 10.1109/ISCAS51556.2021.9401452
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2158-1525
language eng
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source IEEE Xplore All Conference Series
subjects Interfering light noise
Light emitting diodes
Photodiode
Photodiodes
Receivers
RLC circuits
Sensitivity
Stochastic resonance
Visible light communication
title Circuit Experiment of Photodiode-Type Visible Light Communication Using the Stochastic Resonance Generated by Interfering Light Noise
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