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- W3108170453 abstract "Sandstorms can severely affect the reliability of outdoor optical wireless communications (OWC) by diminishing large regions’ visibility. In this work, the effect of a real sandstorm on optical camera communications (OCC) links is experimentally evaluated. Two link ranges are essayed using a cost-efficient telescope-based camera setup with commercial LEDs. Using on–off keying modulation, a data rate of 1035 and 630 bps with error probabilities of <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline> <mml:mn>9.14</mml:mn> <mml:mo>⋅<!-- ⋅ --></mml:mo> <mml:mrow class=MJX-TeXAtom-ORD> <mml:msup> <mml:mn>10</mml:mn> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mo>−<!-- − --></mml:mo> <mml:mn>5</mml:mn> </mml:mrow> </mml:msup> </mml:mrow> </mml:math> and <mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML display=inline> <mml:mn>4.1</mml:mn> <mml:mo>⋅<!-- ⋅ --></mml:mo> <mml:mrow class=MJX-TeXAtom-ORD> <mml:msup> <mml:mn>10</mml:mn> <mml:mrow class=MJX-TeXAtom-ORD> <mml:mo>−<!-- − --></mml:mo> <mml:mn>3</mml:mn> </mml:mrow> </mml:msup> </mml:mrow> </mml:math> for 100 m and 200 m, respectively, can be achieved. The signal-to-noise ratio of the links was optimized by tuning the analog amplifier’s gain of the camera, increasing it by up to 9 dB. It is shown that scattering due to the sandstorm can even be beneficial for increasing the data rate in OCC (contrary to classical photodetector-based OWC links), thanks to an increment of 33% on the region of interest dimensions compared to the expected clear air link." @default.
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- W3108170453 date "2020-12-21" @default.
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- W3108170453 title "Sandstorm effect on experimental optical camera communication" @default.
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- W3108170453 doi "https://doi.org/10.1364/ao.405952" @default.
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