Fig. 1. MIMO-VLC communication geometric scenario

Fig. 2. Multipath channel gain

Fig. 3. MIMO-VLC system model

Fig. 4. Pilot structure diagram

Fig. 5. Experimental system structure

Fig. 6. Energy and threshold distribution

Fig. 7. MSE performance analysis of the algorithm

Fig. 8. BER performance analysis of the algorithm

Fig. 9. BER performance of different modulation orders

Fig. 10. Average running time of algorithm