## 6 Simulation Setup  
In this section, the overall network performance was examined in a MATLAB simulation by designing the replica in a real environment based on our practical findings tabulated in Tables 2 and 3. Here, several simulations were performed to investigate the performance of the varied propagation conditions, such as LOS V-V, LOS V-H, and NLOS V-V polarizations for both CI and FI propagation models. As discussed in Section 5, the NLOS V-V and NLOS V-H outcomes were very much correlated, and therefore the discussion only highlights the NLOS V-V case for the simulation outputs. The Monte Carlo technique was used in MATLAB to evaluate the findings and averages were performed over 1000 independent channel realizations. In each cell, the number of users was altered from 10 to 50 and was randomly spread over a coverage area of a cell. Both FI and CI propagation path loss models were used to create real scenarios with the LOS and NLOS environments [72]. It was recommended in [73] that transmission power for each next generation NodeB (gNB) was fixed at 46 dBm with an available bandwidth of 40 MHz at a 38 GHz frequency band. The proportional fair scheduling (PFS) algorithm was used for the coordination between the gNBs. The closed-loop spatial multiplexing (CLSM) transmission mode was employed for \(2\times 2\), \(2\times 4\), \(4\times 2\), and \(4\times 4\) MIMO antenna configurations, while the eight layer spatial multiplexing transmission mode was employed for \(8\times 2\) and \(8\times 4\) MIMO antenna configurations, as defined in [74]. In order to create the effect of heavily built-up ionospheric urban environments, the Rayleigh fading channel was weighed in [75]. There were 21 gNBs in the network with a separation distance of 200 m, as it was the expected cell size for the 5G radio access network [8]. The coupling loss was fixed at 70 dB, as recommended in Section 14.1.2.3 of [76]. The various simulation parameters, along with their certain values, are listed in Table 4.  
\begin{table}
\begin{tabular}{c c} \hline \hline
**Parameters** & **Values** \\ \hline Operating frequency & 38 GHz \\ Channel bandwidth & 40 MHz \\ Number of resource blocks & 200 \\ No. of users per cell & [10, 20,..., 50] \\ No. of BSs & 21 \\ Network scenario & Urban (random user deployment) \\ CI propagation model & Table 2. PLE (3.0990 for LOS V-V, 4.2556 for LOS V-H, 4.3202 for NLOS V-V) \\ FI propagation model & Table 3. (\(\beta\) is 2.3401 \(\delta\)\(\alpha\) is 75.1359 for LOS V-V, \(\beta\) is 1.9560 \(\delta\)\(\alpha\) is 97.6545 for LOS V-H, \(\beta\) is 6.6535 \(\delta\)\(\alpha\) is 28.0051 for NLOS V-V \\ Network geometry & Regular hexagonal grid \\ gNB Transmission power & 46 dBm \\ Antenna type & Tri-sector tilted \\ User’s speed & 5 kmph \\ No. of Tx & 2 \\ No. of Rx & 2 \\ Scheduling algorithm & Proportional fair scheduling \\ No. of iteration & 1000 \\ UE height & 1.7 m \\ gNB antenna height & 5 m \\ Transmission mode & Closed loop spatial multiplexing (CLSM) and eight layer spatial multiplexing \\ gNBs separation & 200 m \\ Fading model & Rayleigh fading \\ Coupling losses & 70 dB \\ \hline \hline \end{tabular}
\end{table}
Table 4: Simulation parameters.  
\begin{table}
\begin{tabular}{c c c c c} \hline \hline
**Env.** & **Pol.** & \(\beta\) & \(\alpha\) & \(\sigma\) (_dB_) \\ \hline \multirow{2}{*}{LOS} & V-V & 2.3401 & 75.1359 & 9.0714 \\ \cline{2-5}  & V-H & 1.9560 & 97.6545 & 6.5463 \\ \hline \multirow{2}{*}{NLOS} & V-V & 6.6535 & 28.0051 & 7.0683 \\ \cline{2-5}  & V-H & 6.9676 & 27.7466 & 6.9574 \\ \hline \end{tabular}
\end{table}
Table 3: Floating-intercept (FI model) summary for LOS and NLOS environment.  
The flowchart illustrated in Figure 6 explains the development of the system simulation.