2
SAW Tag OperationSAW Tag Operation
Position Estimation
3
Server / Client SystemServer / Client System
Server System
APACHE
PHP Analyser
MySQL DataBase
UI
TCP/IP
Sensor Monitor
RFID Reader
4
User Status Check Algorithm & Tag DataUser Status Check Algorithm & Tag Data
Server System
Algorithm Flow Tag Data-2
0
2
1
1.5
2
2.5
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
Z-axis [m]
Thomas Algorithm Location(3D)
X-axis [m]
Y-axis [m]