Indoor localization is a key research area and has been stated as a major goal for Sixth
Generation (6G) communications. Indoor localization faces many challenges, such as harsh …

In radio-frequency (RF)-based device-free localization (DFL), the number of sensors acting
as RF transmitters and receivers is crucial for accuracy and system costs. Two promising …

Nowadays, an increasing amount of attention is being devoted towards passive and non-
intrusive sensing methods. The prime example is healthcare applications, where on-body …

Ultrawideband (UWB) attracts extensive attention for the Internet-of-Things applications,
especially the fine-grained location-based services. Rather than active tracking, this article …

Indoor positioning is a thriving research area, which is slowly gaining market momentum. Its
applications are mostly customized, ad hoc installations; ubiquitous applications analogous …

Due to their large bandwidth, relatively low cost, and robust performance, UWB radio chips
can be used for a wide variety of applications, including localization, communication, and …

The advent of neural networks capable of learning salient features from radar data has
expanded the breadth of radar applications, often as an alternative sensor or a …

Device-free localization is a promising technique for indoor positioning in infrastructures, as
it eliminates the reliance on custom and costly hardware. In this study, we present the …

Ultra-wideband based pulse radars have been an active research topic over the last
decades because of their accurate positioning, resistance to multipath fading, and narrow …

Radio positioning is critical for many indoor applications, such as behavioral monitoring and
autonomous robots. Mobile users, however, can also be exposed to surveillance risks due to …