Fig. 1. UV NLOS link^[11]

Fig. 2. Coplanar interference model of NLOS communication

Fig. 3. NLOS communication non-coplanar interference model ^[8]

Fig. 4. Interference model of NLOS communication with non-coplanarity and height difference

Fig. 5. Flow of Monte Carlo multiple scattering algorithm

Fig. 6. Simulation results of Monte Carlo and theoretical formulations. (a) Effect of divergence angle on path loss; (b) effect of transmit elevation angle on path loss; (c) effect of receiving field of view on path loss

Fig. 7. Influence of height difference between transmitter and receiver on BER

Fig. 8. Simulation results and experimental verification results

Fig. 9. Influence of the transmitter and receiver elevation angles on BER under non-coplanar and different height differences. (a) Transmitter elevation angle of θT; (b) receiver elevation angle of θR

Fig. 10. Cross-sectional views of communication link status with respect to h change