With the high demand for wireless data traffic, WiFi networks have experienced very rapid
growth, because they provide high throughput and are easy to deploy. Recently, Channel …

This paper reviews the state of the art and future trends of indoor Positioning, Localization,
and Navigation (PLAN). It covers the requirements, the main players, sensors, and …

Wi-Fi based sensing systems, although sound as being deployed almost everywhere there
is Wi-Fi, are still practically difficult to be used without explicit adaptation efforts to new data …

Driven by a wide range of real-world applications, significant efforts have recently been
made to explore device-free human activity recognition techniques that utilize the …

Human activity recognition can benefit various applications including healthcare services
and context awareness. Since human actions will influence WiFi signals, which can be …

The past few years have witnessed the great potential of exploiting channel state information
retrieved from commodity WiFi devices for respiration monitoring. However, existing …

With the advancement of wireless technologies and sensing methodologies, many studies
have shown the success of re-using wireless signals (eg, WiFi) to sense human activities …

Modern wireless transmission systems heavily benefit from knowing the channel response.
The evaluation of Channel State Information (CSI) during the reception of a frame preamble …

In this article, we present a survey of recent advances in passive human behavior
recognition in indoor areas using the channel state information (CSI) of commercial WiFi …

This paper presents the design and implementation of SpotFi, an accurate indoor
localization system that can be deployed on commodity WiFi infrastructure. SpotFi only uses …