We present a novel receiver-based interference reduction mechanism for Vehicular Visible Light Communication (V-VLC). V-VLC, in combination with Radio Frequency (RF)-communication, is a technology that is promising to enable a reliable communication link for a number of Intelligent Transportation Systems (ITS) applications such as cooperative driving. Both technologies complement each other to overcome technology-dependent limitations. Particularly, V-VLC is drawing attention as it is able to provide rather high capacity links. Nevertheless, it was observed that V-VLC suffers from interference caused by ambient light as well as modulated light sources, for instance LED signage. To overcome this barrier, we propose a system that makes use of the Line of Sight (LOS)-characteristic and imaging optics. More precisely, we are using a spatial light modulator in the form of a Liquid Crystal (LC)-panel to spatially filter interference and ambient light, thereby reducing interference to a minimum. We built and tested a photodiode-based receiver for V-VLC and, validated by simulations and measurements, we demonstrate the capability of the system.


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    Title :

    Optical Interference Reduction with Spatial Filtering Receiver for Vehicular Visible Light Communication


    Contributors:


    Publication date :

    2019-10-01


    Size :

    2490141 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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