Ubiquitous 3D positioning systems by led-based visible light communications

  title={Ubiquitous 3D positioning systems by led-based visible light communications},
  author={Jaechan Lim},
  journal={IEEE Wireless Communications},
Currently, LEDs are popularly employed in our daily life due to various advantages. LEDs can also be employed for wireless data communications (i.e., VLC). Based on these LED-VLC systems, we can obtain high-performance positioning systems beyond the performance of RF communications or global positioning systems. In this article, we present a brief overview of positioning approaches in VLC systems, and also propose a maximum likelihood approach for the positioning system. Currently, the main… CONTINUE READING
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