A Time-Overlapping Multiplex VLC System for End-Edge Data Transmission

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2021/9970972/figures/9970972.fig.003a.svgz" name="9970972.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>PPM modulation</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2021/9970972/figures/9970972.fig.003b.svgz" name="9970972.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>PWM modulation</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/wcmc/volume-2021/9970972/figures/9970972.fig.003c.svgz" name="9970972.fig.003c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>PAM modulation</td></tr></table>

Wireless Communications and Mobile Computing

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Figure 3

Figure 3: A Time-Overlapping Multiplex VLC System for End-Edge Data Transmission 