A Fine-Grained Visible Light Communication Position Detection System Embedded in One-Colored Light Using DMD Projector

Table 1

The comparison with existing various indoor location service technologies in the accuracy.

Technology type	Accuracy
IMES	Several hundred meters [3]
RFID	1 m~5 m [4]
Wi-Fi	1 m~100 m [4]
UWB	1 cm~1 m [4]
Bluetooth	1 m~5 m [4]
IR	1 cm~5 m [4]
Ultrasound	1 cm~1 m [4]
VLC using image sensor	A few millimeters [9–14]