WiFi CSI-based device-free sensing: from Fresnel zone model to CSI-ratio model
Over the past decade, WiFi CSI-based device-free sensing technology has shown great
potential in smart homes, assisted living, and many other applications. While model-based …
potential in smart homes, assisted living, and many other applications. While model-based …
Channel state information from pure communication to sense and track human motion: A survey
Human motion detection and activity recognition are becoming vital for the applications in
smart homes. Traditional Human Activity Recognition (HAR) mechanisms use special …
smart homes. Traditional Human Activity Recognition (HAR) mechanisms use special …
CrossSense: Towards cross-site and large-scale WiFi sensing
We present CrossSense, a novel system for scaling up WiFi sensing to new environments
and larger problems. To reduce the cost of sensing model training data collection …
and larger problems. To reduce the cost of sensing model training data collection …
Device-free WiFi human sensing: From pattern-based to model-based approaches
Recently, device-free WiFi CSI-based human behavior recognition has attracted a great
amount of interest as it promises to provide a ubiquitous sensing solution by using the …
amount of interest as it promises to provide a ubiquitous sensing solution by using the …
See-through walls: Motion tracking using variance-based radio tomography networks
J Wilson, N Patwari - IEEE Transactions on Mobile Computing, 2010 - ieeexplore.ieee.org
This paper presents a new method for imaging, localizing, and tracking motion behind walls
in real time. The method takes advantage of the motion-induced variance of received signal …
in real time. The method takes advantage of the motion-induced variance of received signal …
RF-sensing of activities from non-cooperative subjects in device-free recognition systems using ambient and local signals
We consider the detection of activities from non-cooperating individuals with features
obtained on the radio frequency channel. Since environmental changes impact the …
obtained on the radio frequency channel. Since environmental changes impact the …
SCPL: Indoor device-free multi-subject counting and localization using radio signal strength
Radio frequency based device-free passive (DfP) localization techniques have shown great
potentials in localizing individual human subjects, without requiring them to carry any radio …
potentials in localizing individual human subjects, without requiring them to carry any radio …
RF sensor networks for device-free localization: Measurements, models, and algorithms
N Patwari, J Wilson - Proceedings of the IEEE, 2010 - ieeexplore.ieee.org
In this paper, we discuss the emerging application of device-free localization (DFL) using
wireless sensor networks, which find people and objects in the environment in which the …
wireless sensor networks, which find people and objects in the environment in which the …
See through walls with COTS RFID system!
Through-wall tracking has gained a lot of attentions in civilian applications recently. Many
applications would benefit from such device-free tracking, eg elderly people surveillance …
applications would benefit from such device-free tracking, eg elderly people surveillance …
Wi-COVID: A COVID-19 symptom detection and patient monitoring framework using WiFi
Abstract The current SARS-CoV-2, better know as COVID-19, has emerged as a serious
pandemic with life-threatening clinical manifestations and a high mortality rate. One of the …
pandemic with life-threatening clinical manifestations and a high mortality rate. One of the …