After a recent series of unfortunate underground mining disasters, the vital importance of
communications for underground mining is underlined one more time. Establishing reliable …

Wireless sensor networks (WSN) have attached a great attention in the last few years. WSN
offer several advantages over the traditional sensor networks, such as elimination of costly …

Impulse radio ultra-wideband (IR-UWB) technique has good performance in the application
of high-precision localization since it possesses unique properties such as large …

In this paper, we present a new ultra wideband antenna design with band rejection for UWB
applications. A CPW-fed circular patch radiates through a circular aperture, which ensures …

Locating an inspection robot is an essential task for inspection missions and spatial data
acquisition. Giving a spatial reference to measurements, especially those concerning …

Ultra-Wideband technology is regarded by many as one of the future key technologies in
communications and positioning. In this paper an EKF based on TDOA/RSS positioning …

Ultra Wideband technology is regarded by many as one of the future key technologies in
communications and positioning. In this paper a positioning method is described for …

Для определения местоположения объектов в закрытых пространствах спутниковые
системы навигации непригодны. Для таких случаев разрабатываются специальные …

This paper proposes a method of target identification in foliage environment, specifically to
identify the number of people present in foliage environment. This method is based on the …

In this thesis, a novel radio frequency based position location concept is proposed and
studied, which provides accurate position estimates in dense multipath and non-line-of-sight …