The network's achievable data rates versus the coverage diameter for different coverage scenarios and turbulence conditions.

Contexts in source publication

Context 1

... 16% and 45% higher data rates with respect to the FOR and relay systems, respectively, under weak turbulence conditions. Likewise, under moderate-to-strong conditions, the DOR scenario sequentially provides 26% and 63% higher data rates compared to the FOR and relay systems. Meanwhile, the coverage analyses for Fig. 5 can be easily applied for Fig. 6. Fig. 7 depicts the average SNR versus the coverage diameter and a new analysis dimension, the RIS size. It is revealed that increasing the number of RIS elements, i.e., N k × N ℓ × N m , would monotonically raise the average SNR for a given coverage diameter. However, the average SNR becomes saturated for gigantic RIS sizes. For ...

Context 2

... of the provided numerical results and discussions. To this end, we set the outage probability at the HST receiver to be 10 −3 . According to Fig. 4, the required SNR value for each scenario and turbulence condition is deduced. Then, the diameter of the coverage area supported by each FSO-BS and the achievable data rates at the HST are found in Fig. 5 and Fig. 6, respectively. Table II summarizes the proposed design parameters for the assumed railway length of 100 [km]. Fig. 8 shows the number of needed FSO-BSs for the assumed railway setup under different scenarios and turbulence conditions, as given in FOR strategy requires fewer FSO-BSs, hence fewer handover processes, with respect to the ...