## 6 Conclusions and Future Work  
The performance of the \"FloatingBlue\" architecture has been evaluated as satisfactory, primarily due to its ability to transfer hundreds of packets from the ENs to the processing station in a remote and expansive scenario where there were long disconnect periods between the data mules. The proposed architecture demonstrated a high Packet Delivery Ratio (PDR) of 100%, ensuring reliable data transmission even in adverse conditions. Additionally, the optimizations implemented in the beacon's energy consumption resulted in significant power savings, with 2.25 \(\upmu\)l in sleep mode and 11.8 \(\upmu\)l in transmission mode, surpassing the efficiency of other technologies, including RTOS-based solutions. These results highlight \"FloatingBlue\" as a highly energy-efficient solution for remote monitoring.  
Furthermore, compared to related studies, the results regarding the beacon's energy consumption in both idle and transmission modes were satisfactory, primarily attributed to optimizations implemented at the embedded software level.  
Although the results obtained with \"FloatingBlue\" are promising, there are limitations that need to be addressed. Therefore, we recommend the following areas of investigation in future studies, corresponding to each identified limitation.  
1. The requirement for line-of-sight conditions for efficient communication between sensor nodes and DMs, which can be compromised in scenarios with many obstacles, such as dense forests or rugged terrain. _Investigation:_ incorporate LoRa radio technology into the physical layer of the DM to increase communication range;
2. Data security during transmission was not investigated, and future work could focus on implementing protocols to ensure data integrity and confidentiality. _Investigation:_ developing an application-level security protocol to protect data transmitted by EN;
3. The dependency on batteries for the sensor nodes, as battery power can quickly deplete under conditions of high transmission frequency. _Investigation:_ adopting a protocol that allows storage and transmission of messages from SN in multiple advertising packets.
4. The need for scalability testing with more SNs and DMs. _Investigation:_ conduct studies through computer network simulations to analyze and verify the network's behavior on a large scale.  
**Author Contributions:** Conceptualization, R.C.M.T. and C.B.C.; methodology, R.C.M.T. and C.B.C.; software, R.C.M.T. and R.A.F.; validation, R.C.M.T.; formal analysis, R.C.M.T., R.A.F. and C.B.C.; investigation, R.C.M.T., R.A.F. and L.B.F.N.; resources, R.C.M.T.; data curation, R.C.M.T.; writing--original draft preparation, R.C.M.T. and L.B.F.N.; writing--review and editing, R.C.M.T., C.B.C., C.T.C., E.M. and A.L.P.; visualization, C.B.C., C.T.C. and E.M.; supervision, C.B.C., C.T.C., E.M. and A.L.P.; project administration, A.L.P.; funding acquisition, A.L.P. All authors have read and agreed to the published version of the manuscript.  
**Funding:** This research received no external funding.  
**Institutional Review Board Statement:** Not applicable.  
**Informed Consent Statement:** Informed consent was obtained from all subjects involved in the study.  
**Data Availability Statement:** The data analyzed during the current study are available from the corresponding author on reasonable request.  
**Acknowledgments:** The authors thank the Postgraduate Program in Electrical Engineering of Federal University of Amazonas and Embbeded Systems Laboratory of the State University of Amazonas for the support provided.  
**Conflicts of Interest:** The author declares no conflicts of interest.