## Appendix A \begin{table}
\begin{tabular}{c c c c c c} \hline \hline
**No.** & **Ref.** & **Country, Year** & **Technology Used** &
\begin{tabular}{c} **Physiological Signals** \\ **Sensed** \\ \end{tabular} & **Type of Device** & **Key Findings** \\ \hline
1. & [34] & Qatar, 2020 & \begin{tabular}{c} Multicore processors, \\ compressive sensing \\ theory \\ \end{tabular} & ECG & \
\begin{tabular}{c} \\ Wearable medical sensors \\ \end{tabular} &
\begin{tabular}{c} Optimizing power \\ consumption of wearable \\ medical sensors and \\ practical applications in \\ remote health monitoring \\ systems. \\ \end{tabular} \\ \hline
2. & [100] & Italy, 2020 & \begin{tabular}{c} Service-oriented \\ architecture, Bluetooth \\ \end{tabular} & \begin{tabular}{c} Various physiological \\ signals \\ \end{tabular} & \
\begin{tabular}{c} Bluetooth medical \\ devices \\ \end{tabular} &
\begin{tabular}{c} Facilitates exchange and \\ information, and \\ documents in home care, \\ cloud-based \\ infrastructure, and web \\ portals. \\ \end{tabular} \\ \hline
3. & [28] & Italy, 2020 & IoT, wearable sensors & \
\begin{tabular}{c} Heart rate, blood \\ pressure, temperature \\ \end{tabular} & Wearable devices &
\begin{tabular}{c} IoT-based health \\ monitoring systems offer \\ continuous and real-time \\ health data for elderly \\ care. \\ \end{tabular} \\ \hline
4. & [111] & China, 2020 & \begin{tabular}{c} Cloud computing, \\ wearable sensors \\ \end{tabular} & \
\begin{tabular}{c} Heart rate, blood \\ pressure, temperature \\ \end{tabular} & Wearable devices &
\begin{tabular}{c} Cloud-based health \\ monitoring systems for \\ elderly care using \\ wearable technology \\ provide scalable and \\ efficient health \\ monitoring solutions. \\ \end{tabular} \\ \hline
5. & [77] & India, 2020 & IoT, wearable sensors & \
\begin{tabular}{c} Heart rate, blood \\ pressure, temperature \\ \end{tabular} & Wearable devices &
\begin{tabular}{c} IoT-enabled wearable \\ health monitoring \\ systems enhance elderly \\ care through real-time \\ data. \\ \end{tabular} \\ \hline
6. & [96] & Portugal, 2020 & IoT, wearable sensors & \
\begin{tabular}{c} Heart rate, blood \\ pressure, temperature \\ \end{tabular} & Wearable devices &
\begin{tabular}{c} IoT-based wearable \\ systems enhance elderly \\ care through real-time \\ data collection and \\ analysis. \\ \end{tabular} \\ \hline
7. & [65] & Malaysia, 2020 & \begin{tabular}{c} Wearable sensors, IoT, \\ cloud computing \\ \end{tabular} & \
\begin{tabular}{c} Heart rate, blood \\ pressure, temperature \\ \end{tabular} & Wearable devices &
\begin{tabular}{c} Cloud-based health \\ monitoring systems offer \\ scalable solutions for \\ elderly care using \\ wearable technology. \\ \end{tabular} \\ \hline
8. & [83] & China, 2020 & \begin{tabular}{c} Wearable sensors, cloud \\ computing \\ \end{tabular} & \
\begin{tabular}{c} Heart rate, blood \\ pressure, temperature \\ \end{tabular} & Wearable devices &
\begin{tabular}{c} Cloud-based systems for \\ health monitoring system \\ scaleable and \\ solutions for elderly care. \\ \end{tabular} \\ \hline \hline \end{tabular}
\end{table} 
Table 10: Recent advances in healthcare remote monitoring systems, with studies organized by year of publication.