## 2 State of the Art
### Related Work
\begin{table}
\begin{tabular}{|l|l|l|} \hline Project Name/Funding & AMON [2004][19]/EU IST FP5 \\ \hline Target Application & Unobtrusive monitoring of physiological parameters. \\ \hline \multirow{2}{*}{Tracked Parameters} & Physiological & BPr, ECG, HR, SpO2, T \\ \cline{2-3}  & Non- Physiological & Acc \\ \hline System Architecture & Wrist-worn, on-board & GSM transceiver and sensors. \\ \hline \multirow{2}{*}{Communication Technologies} & BAN & Wired \\ \cline{2-3}  & PAN/AN & \\ \cline{2-3}  & WAN/Backhaul & Cellular network (GSM) \\ \hline \multirow{2}{*}{System Highlights} & Sending of sensed data three times a day or on demand. Sending of alerts and sensing data values if any parameter goes out of range. \\ \cline{2-3}  & & \\ \end{tabular}
\end{table} 
Table 4: Summary of AMON. \begin{table}
\begin{tabular}{|l|l|l|} \hline Project Name/Funding & MIThril LiveNet [2003][17,18]/MIT \\ \hline \multirow{2}{*}{Target Application} & General purpose individual and distributed group-based context-aware applications platform (mainly healthcare monitoring and social interaction dynamics analysis). \\ \hline \multirow{2}{*}{Tracked Parameters} & Physiological & ECG, EMG, GSR, T, (additional commercial sensors can be interfaced to the system) \\ \cline{2-3}  & Non-physiological & Acc, L, Voice \\ \hline \multirow{2}{*}{System Architecture} & PDA with GPS and wearable microcontroller board with sensors. Classifier and inter-process communications software. \\ \hline \multirow{2}{*}{Communication Technologies} & BAN & Wired \\ \cline{2-3}  & PAN/AN & Wi-Fi (IEEE 802.11b) \\ \cline{2-3}  & WAN/Backhaul & \\ \hline System Highlights & Real time context-aware classification capabilities. \\ \hline \end{tabular}
\end{table} 
Table 3: Summary of MIThril LiveNet. \begin{table}
\begin{tabular}{|l|l|l|} \hline Project Name/Funding & RECAD [2005][21]/University of Blaise Pascal Clermont-Ferrand \\ \hline Target Application & Real time remote and continuous cardiac arrhythmias detection and monitoring. \\ \hline \multirow{2}{*}{Tracked Parameters} & Physiological & ECG \\ \cline{2-3}  & Non- Physiological & \\ \hline System Architecture & Wireless ECG-sensor, PDA and remote web server. \\ \hline \multirow{5}{*}{Communication Technologies} & BAN & Wireless (not specified) \\ \cline{2-3}  & PAN/AN & Supports Wi-Fi, Bluetooth or digital radio communication \\ \cline{2-3}  & \multirow{3}{*}{WAN/Backhaul} & Supports wired network mediums (classical modem, ADSL, ISDN, Ethernet, _etc._) and wide wireless technologies (GSM, GPRS, UMTS and satellite) \\ \hline System Highlights & Alarm message is generation in case of cardiac abnormal event. \\ \hline \end{tabular}
\end{table} 
Table 6: Summary of RECAD. \begin{table}
\begin{tabular}{|l|l|l|} \hline Project Name/Funding & FragIC [2005][22]/University of Milan, Bioeng. Centre \& Cardiac Rehab. Unit \\ \hline Target Application & Unobtrusive recording of cardiac patients in clinical environment. \\ \hline \multirow{2}{*}{Tracked Parameters} & Physiological & ECG, R \\ \cline{2-3}  & Non- Physiological & Acc \\ \hline System Architecture & Vest with sensors and portable electronic board. \\ \hline \multirow{3}{*}{Communication Technologies} & BAN & Bluetooth \\ \cline{2-3}  & PAN/AN & \\ \cline{2-3}  & WAN/Backhaul & \\ \hline System Highlights & Transmission of tracked signals to a remote computer or PDA for data storage. \\ \hline \end{tabular}
\end{table} 
Table 7: Summary of LifeGuard.