Exploiting Serialized Fine-Grained Action Recognition Using WiFi Sensing

Table 3

Comparing WiCG against the previous five state of the arts.

System	FEMO [38]	WiHear [7]	WiGest [3]	Wisee [39]	Wikey [24]	WiCG
Signal	RFID	RSS	SDR	SDR	CSI	CSI
Require specialized hardware	No	No	Yes	Yes	No	No
Training	Yes	No	Yes	No	Yes	No
Predefined actions	Yes	Yes	Yes	Yes	Yes	No
Accuracy	90.4%	96%	91%	94%	93.5%	91%