Fig. 1. The scheme of optical wireless channel

Fig. 2. System model of RSMA-OWC

Fig. 3. Schematic diagram of the simulation scenario

Fig. 4. Average outage probability for the three access scenarios in the 2×2 OWC system

Fig. 5. Average outage probability for the three access scenarios in the 3×3 OWC system

Fig. 6. Comparison of the average outage probability performance of the OWC system with three different resource allocation scenarios

Fig. 7. Comparison of the average outage probability performance of the 2×2 OWC system under three different resource allocation schemes

Fig. 8. Comparison of the average outage probability performance of the 3×3 OWC system under three different resource allocation schemes

Fig. 9. Algorithm convergence rate