Human motion detection and activity recognition are becoming vital for the applications in
smart homes. Traditional Human Activity Recognition (HAR) mechanisms use special …

The requirement of active localization techniques to attach a hardware device to the targets
that need to be located can be difficult or even impossible for certain applications. For this …

The research on indoor localization has received great interest in recent years. This has
been fueled by the ubiquitous distribution of electronic devices equipped with a radio …

Wireless propagation is conventionally considered as the enabling tool for transporting
information in digital communications. However, recent research has shown that the …

Fall detection and localization of human operators inside a workspace are major issues in
ensuring a safe working environment. Recent research has shown that the perturbations of …

Radio receivers, besides acting as wireless network nodes participating to the Internet of
Things (IoT) communication task, may act as opportunistic sensors participating to the IoT …

Recently, door access control with Internet of Things has become increasingly popular in the
field of security. However, conventional approaches such as video-based or biological …

Device-free localization (DFL) systems have emerged in the last years as a powerful
technology for tracking mobile targets without the need of radio tags. Perturbations induced …

Rooms and buildings in public and private institutions are usually secured with door access
control, which is prone to intrusion, particularly when the key or access card falls to …

In the contemporary era of technological advancement, smartphones have become an
indispensable part of individuals' daily lives, exerting a pervasive influence. This paper …