Peng Cheng Laboratory 518055;
School of Information and Control Engineering University of Mining and Technology 221116;
Shenzhen Research Institute of Big Data 518172;
School of Electronics and Control Engineering’an University’an 710064;
School of Electronic and Optical Engineering University of Science and Technology 210094;
National Digital Switching System Engineering&Technological Research Center 450000;
visible light communication; MIMO; discrete constellation inputs; power allocation;