# Energy-Saving Routing Protocols for Smart Cities
## 4 Conclusions and Future Works
### Future Works  
The simulation results obtained here can be used as the basis for future experimental implementations, which we intend to carry out in our continuation of this work. It is important to note that Equation (10) cannot be generalized to every situation, and is specific to the simulation scenario used in this work. However, the proposed procedure can be replicated to obtain new equations for other simulation scenarios. In addition, while the algorithm proposed in this work does not take into consideration all of the factors that may influence the transmission of data in real scenarios, it is now possible to perform more realistic transmission modeling in Cupcarbon, as updates have been released in recent months that make it possible to use real devices in conjunction with simulations developed in the software. In this context, we propose further experimental implementation of the proposed power adjustment algorithm; for example, it could be used with ESP32 devices for the purpose of evaluating its operation in a real scenario and making further improvements. \begin{table}
\begin{tabular}{c c c c c c c c} \hline \hline \multirow{2}{*}{**Metric**} & \multicolumn{2}{c}{**Our Method**} & \multicolumn{2}{c}{**DVR**} & \multicolumn{2}{c}{**AODV**} & \multicolumn{2}{c}{**DSR**} \\  & **18 km/h** & **90 km/h** & **18 km/h** & **90 km/h** & **18 km/h** & **90 km/h** & **18 km/h** & **90 km/h** \\ \hline PDR (\%) & 95.78 & 80.84 & 63.47\(\downarrow\) & 23.62\(\downarrow\) & 97.14\(\uparrow\) & 84.20\(\uparrow\) & 96.47\(\uparrow\) & 81.84\(\downarrow\) \\ \hline E2 ED (ms) & 204.7 & 218.5 & 120.3\(\downarrow\) & 111.6\(\downarrow\) & 163.5\(\downarrow\) & 193.5\(\downarrow\) & 215.1\(\downarrow\) & 222.04\(\downarrow\) \\ \hline JIT (ms) & 1.390 & 1.066 & 0.479\(\downarrow\) & 0.479\(\downarrow\) & 0.782\(\downarrow\) & 0.528\(\downarrow\) & 0.864\(\downarrow\) & 0.474\(\downarrow\) \\ \hline THR (package/min) & 1.931 & 1.629 & 1.345\(\downarrow\) & 0.615\(\downarrow\) & 1.959\(\downarrow\) & 1.698\(\downarrow\) & 1.945\(\uparrow\) & 1.650\(\uparrow\) \\ \hline \multirow{2}{*}{Average consumption by node (J)} & \multirow{2}{*}{8.00} & \multirow{2}{*}{-} & 19.58 & \multirow{2}{*}{-} & 12.22 & \multirow{2}{*}{-} & 9.02 & \multirow{2}{*}{-} \\  & & & 145\%\(\uparrow\) & & 53\%\(\uparrow\) & & 13\%\(\uparrow\) & \\ \hline \multirow{2}{*}{Total consumption (J)} & \multirow{2}{*}{192.17} & \multirow{2}{*}{-} & 470.08 & \multirow{2}{*}{-} & 293.29 & \multirow{2}{*}{-} & 216.70 & \multirow{2}{*}{-} \\  & & & 145\%\(\uparrow\) & & 53\%\(\uparrow\) & & 13\%\(\uparrow\) & \\ \hline \hline \end{tabular}
\end{table} 
Table 2: Comparative analysis for DVR, AODV, DSR, and modified DSR protocols. **Author Contributions:** Conceptualization, D.d.F.M., C.P.d.S., F.B.S.d.C. and W.T.A.L. ; methodology, D.d.F.M., C.P.d.S., F.B.S.d.C. and W.T.A.L. ; software, D.d.F.M. ; validation, D.d.F.M., C.P.d.S., F.B.S.d.C. and W.T.A.L. ; writing--original draft preparation, D.d.F.M., C.P.d.S., F.B.S.d.C. and W.T.A.L. ; writing--review and editing, D.d.F.M., C.P.d.S., F.B.S.d.C. and W.T.A.L. All authors have read and agreed to the published version of the manuscript. **Funding:** This work was supported by the Federal University of Paraiba (UFPB), by the PRONEX project funded by the Paraiba State Research Foundation (FAPESQ-PB/Brazil), by the Brazilian National Council for Scientific and Technological Development (CNPq-Brazil) under Grant Number 009/2019, by the CNPq Research Productivity fellowship (Proc. 309371/2019-8 PQ), and by the Institutional Scientific Initiation Scholarship Program (PIBIC/CNPq/UFPB). This work was funded by Public Call N. 03/2020 Research Productivity PROPESQ/PRPG/UFPB under Grant Number PVK13136-2020. Additional funding for this work was provided by Public Call N. 09/2021 _Demanda Universal_ FAPESQ-PB/Brazil. Part of this work has been funded by the National Institute of Science and Technology of Micro and Nanoelectronics Systems (Proc.