Design and Implementation of Directional Sensors for Privacy-Ensured Device-Free Target Localization in Indoor Environment

Table 1

Comparison of change in received signal strength for all measurements.

Antenna type	Scenario	In the absence of target	In the presence of target
Single patch antenna	RSS at 0° (dB)	−59	−75	16
	RSS at 20° (dB)	−61	−66	5
Linear array antenna	RSS at 0° (dB)	−55	−75	20
	RSS at 20° (dB)	−66	−80	14