~/talk

WiBorder: Precise Wi-Fi based Boundary Sensing via Through-wall Discrimination

on YouTube 06m
Talkat UbiComp / ISWC 2020 · 2020-09-12..09-17· [web-platform, security]

speakers

name:Shengjie Li
links:none on file
name:Zhaopeng Liu
links:none on file
name:Yue Zhang
links:none on file
name:Qin Lv
links:none on file
name:Xiaopeng Niu
links:none on file
name:Leye Wang
links:none on file
name:Daqing Zhang
links:none on file

resources

video:https://youtu.be/VevpaWBe6f4
slides:none on file

summary

WiBorder claims precise Wi‑Fi sensing boundaries by discriminating through‑wall vs. inside reflections using Channel State Information from commodity devices and antenna diversity to cancel random phase and amplify wall attenuation. The team implements a real nursing‑home deployment with an intrusion detector and an area detector, reporting 99.4% detection rate with 0.68% false alarms and up to 97.03% area accuracy, showing a practical boundary classifier based on a novel reflected‑signal metric.

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