A Chipless RFID Method of 2D Localization Based on Phase Acquisition

Table 1

Comparison between classical RFID, chipless RFID, and barcode.

	RFID UHF	Chipless RFID	Barcode
Reliability	Very good	Good	Very good
Multiread	Possible	Difficult	Impossible
Read range	10 m	50 cm	50 cm
Discretion	Nonline of sight	Nonline of sight	Line of sight
Cost	$0.4	$0.004	<$0.0001
Rewritable	Possible	Possible	Impossible
Sensor	Possible	Possible	Impossible
Gesture recognition	Impossible	Possible	Impossible