In the development of a new wireless communications system, a versatile and accurate
radio channel for indoor communications is needed. In particular, the investigation of radio …

The application of several ray-tracing techniques, in combination with the uniform theory of
diffraction, is presented for efficient prediction of propagation in the UHF (communication) …

A 3D ray tracing simulator has been developed for indoor wireless networks. The simulator
uses geometrical optics (GOs) to propagate the electromagnetic waves inside the buildings …

Wireless communication is popular used for commercial, industrial, and domestic
networking. Ensuring information quality in indoor environments is difficult but essential for …

A ray-tracing method for waves inside buildings is presented. Ray tubes are used to model
the wave propagation and penetration and all the significantly reflected and transmitted ray …

This paper discusses an efficient implementation of deterministic ray tracing model for
indoor wireless propagation. It is important to characterize the indoor propagation channel to …

A novel and efficient deterministic approach to model radiowave propagation channels in
complex indoor environments, improving prediction accuracy, is proposed. This technique …

The potential implementation of personal communication systems inside buildings requires
a thorough understanding of signal propagation within buildings. As practical measurements …

Modern wireless radio systems, such as public mobile cellular services (GSM or CDMA),
PCN, DECT, wireless LANs, etc., are established in different operating frequency bands …

This paper presents a comparative analysis between two techniques for modelling
propagation inside buildings: ray-launching and tube-launching. The performance of both …