3 papers
eess.SP2026
Self-Calibrated Indoor Tracking from Backscatter Fiducials under NLOS Transmitter Illumination
Hüseyin YiÄitler, Kalle Ruttik, Jingyi Liao +2
This paper studies indoor tracking from wall-mounted backscatter fiducials in corridor segments outside direct transmitter illumination. In the measured setup, the transmitter-to-f…
eess.SP2026
Backscatter Assisted Indoor NLOS Positioning
Kalle Ruttik, Hüseyin YiÄitler, Jingyi Liao +2
Passive backscatter devices (BDs) can enable indoor non-line-of-sight (NLOS) positioning by serving as virtual anchors whose Doppler-separated signatures are observable in standard…
eess.SP2025
Ambient Backscatter Communication in LTE Uplink Sounding Reference Signal
Jingyi Liao, Tianshu Zhang, Kalle Ruttik +2
Ambient Internet of Things (AIoT), recently standardized by the 3rd Generation Partnership Project (3GPP), demands a low-power wide-area communication solution that operates severa…