K. V. S. Sai Sushanth A. Chockalingam Performance of Imaging Receivers Using Convex Lens in Indoor MIMO VLC Systems. 1-5 2018 VTC Spring https://doi.org/10.1109/VTCSpring.2018.8417543 conf/vtc/2018s db/conf/vtc/vtc2018s.html#SushanthC18