## 3 Experimental Results
### Varying Infrastructure Density Scenario
#### 3.2.2 Average End-to-End Latency
\begin{table}
\begin{tabular}{c c c} \hline \hline
**C-ITS Service** & **2 Base Stations** & **4 Base Stations** & **8 Base Stations** \\ \hline \multicolumn{3}{c}{**Low-frequency (1-2 Hz), low-latency (<100 milliseconds) services**} \\ \hline Slow and stationary vehicle warning & No coverage for resource scheduling & ✓ & ✓ \\ Weather condition warnings & No coverage for resource scheduling & ✓ & ✓ \\ Intersection management & No coverage for resource scheduling & ✓ & ✓ \\ \hline \multicolumn{3}{c}{**Low-frequency (1-2 Hz), high-latency (<500 milliseconds) services**} \\ \hline Point of interest notification & No coverage for resource scheduling & ✓ & ✓ \\ Local electronic commerce & No coverage for resource scheduling & ✓ & ✓ \\ Media upload & No coverage for resource scheduling & ✓ & ✓ \\ Map updates & No coverage for resource scheduling & ✓ & ✓ \\ Cooperative flexible lane change & No coverage for resource scheduling & ✓ & ✓ \\ \hline \multicolumn{3}{c}{**High-frequency (10 Hz), low-latency (<100 milliseconds) services**} \\ \hline \hline \end{tabular}
\end{table} 
Table 6: Communication requirements of common C-ITS services and their fulfillment by LTE-based C-V2X in the D2D mode 3 and investigated context. Adapted and updated from [16; 39]. \begin{table}
\begin{tabular}{c c c} \hline \hline
**C-ITS Service** & **2 Base Stations** & **4 Base Stations** & **8 Base Stations** \\ \hline \multicolumn{3}{c}{**Low-frequency (1-2 Hz), low-latency (<100 milliseconds) services**} \\ \hline Slow and stationary vehicle warning & No coverage for resource scheduling & ✓ & ✓ \\ Weather condition warnings & No coverage for resource scheduling & ✓ & ✓ \\ Intersection management & No coverage for resource scheduling & ✓ & ✓ \\ \hline \multicolumn{3}{c}{**Low-frequency (1-2 Hz), low-latency (<100 milliseconds) services**} \\ \hline Point of interest notification & No coverage for resource scheduling & ✓ & ✓ \\ Weather condition warnings & No coverage for resource scheduling & ✓ & ✓ \\ Intersection management & No coverage for resource scheduling & ✓ & ✓ \\ \hline \multicolumn{3}{c}{**High-frequency (10 Hz), low-latency (<100 milliseconds) services**} \\ \hline \hline \end{tabular}
\end{table} 
Table 7: Communication requirements of common C-ITS services and their fulfillment by 5G-based C-V2X in the infrastructural mode and investigated context. Adapted and updated from [39]. \begin{table}
\begin{tabular}{c c c c} \hline \hline
**C-ITS Service** & **2 Base Stations** & **4 Base Stations** & **8 Base Stations** \\ \hline \multicolumn{3}{c}{**Low-frequency (1-2 Hz), low-latency (<100 milliseconds) services**} \\ \hline Slow and stationary vehicle warning & No coverage & ✓ & ✓ \\ Weather condition warnings & No coverage & ✓ & ✓ \\ Intersection management & No coverage & ✓ & ✓ \\ Cooperative flexible lane change & No coverage & ✓ & ✓ \\ \hline \multicolumn{3}{c}{**High-frequency (10 Hz), low-latency (<100 milliseconds) services**} \\ \hline Electronic emergency brake light & No coverage for resource scheduling & ✓ & ✓ \\ Emergency vehicle approaching & No coverage for resource scheduling & ✓ & ✓ \\ \hline \hline \end{tabular}
\end{table} 
Table 8: Communication requirements of common C-ITS services and their fulfillment by 5G-based C-V2X in the D2D mode 3 and investigated context. Adapted and updated from [39].