Fig. 1. RIS-assisted FSO-RF hybrid system model

Fig. 2. System OP corresponding to different H and signal-to-noise ratios of CCI signals

Fig. 3. System OP for different pointing error ξ

Fig. 4. OP corresponding to different turbulence intensities and light detection methods

Fig. 5. Effect of modulation methods on system BER for fixed FSO link average signal-to-noise ratio

Fig. 6. Effect of modulation methods on system BER for fixed RF link average signal-to-noise ratio