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tebruegge2019optical

Claas Tebruegge, Qiaoshuang Zhang and Falko Dressler, "Optical Interference Reduction with Spatial Filtering Receiver for Vehicular Visible Light Communication," Proceedings of 22nd IEEE International Conference on Intelligent Transportation Systems (ITSC 2019), Auckland, New Zealand, October 2019.

Abstract

We present a novel receiver-based interference reduction mechanism for Vehicular Visible Light Communications (V-VLC). V-VLC, in combination with Radio Frequency (RF)-communication, is a technology that is promising to enable a reliable communication 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 gaining interest 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 problem, we propose a system that makes use of the Line Of Sight (LOS)- characteristic and images formed by optics. More precisely, we are using a spatial light modulator in form of a Liquid Crystal (LC)-panel to spatially filter interference and ambient light and to reduce interference to a minimum. We built and tested a photodiode based receiver for V-VLC and, using simulations and measurements, we demonstrate the capability of the system.

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Claas Tebruegge
Qiaoshuang Zhang
Falko Dressler

BibTeX reference

@inproceedings{tebruegge2019optical,
    author = {Tebruegge, Claas and Zhang, Qiaoshuang and Dressler, Falko},
    doi = {10.1109/ITSC.2019.8917042},
    title = {{Optical Interference Reduction with Spatial Filtering Receiver for Vehicular Visible Light Communication}},
    publisher = {IEEE},
    address = {Auckland, New Zealand},
    booktitle = {22nd IEEE International Conference on Intelligent Transportation Systems (ITSC 2019)},
    month = {10},
    year = {2019},
   }
   
   

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