4 papers
Ambient IoT Backscatter Devices as Passive Anchors for NLOS Cellular Positioning: Fundamental Limits
Hüseyin Yiğitler, Musa Furkan Keskin, Ossi Kaltiokallio +1
Ambient Internet-of-Things backscatter devices at known locations can act as low-cost passive anchors by creating geometrically anchored reflected paths in cellular networks. Unlik…
Self-Calibrated Indoor Tracking from Backscatter Fiducials under NLOS Transmitter Illumination
Hüseyin Yiğitler, 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…
Backscatter Assisted Indoor NLOS Positioning
Kalle Ruttik, Hüseyin Yiğitler, 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…
Non-Invasive Arterial Pulse Detection with Millimeter-wave Radar and Comparison With Photoplethysmography
Nima Bahmani, Dariush Salami, Hüseyin Yiğitler +3
Cardiovascular diseases remain a leading cause of mortality and disability. The convenient measurement of cardiovascular health using smart systems is therefore a key enabler to fo…