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Dan Wu

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BFMSense: WiFi Sensing Using Beamforming Feedback Matrix21st USENIX Symposium on Networked Systems Design and Implementation (NSDI '24)2024-04-16
Paper shows that the beamforming feedback matrix (BFM) from new Wi‑Fi cards carries usable channel information and derives a mathematical relation to CSI, then…
Talk on
Towards Position-Independent Sensing for Gesture Recognition with Wi-FiUbiComp 20212021-09-21
Claims a hand-oriented view and a concrete feature called Motion Navigation Primitive (MNP) that uses the ratio of dynamic phase changes from two pairs of…
Talk on
FingerDraw: Sub-wavelength Level Finger Motion Tracking with WiFi SignalsUbiComp / ISWC 20202020-09-12
FingerDraw reconstructs air-drawn trajectories using commodity WiFi by forming a CSI-quotient between two antennas to cancel amplitude and phase noise, then…
Talk
MultiSense: Enabling Multi-person Respiration Sensing with Commodity WiFiUbiComp / ISWC 20202020-09-12
MultiSense uses CSI from a single pair of commodity WiFi transceivers (three antennas each), models received signals as linear mixtures, and separates…
Talk
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