With the advances in computer processing that have yielded an enormous increase in
performance, numerical analytical approaches based on electromagnetic theory have …

A comprehensive review of ray tracing (RT) techniques for wireless communication systems
is presented in this paper. The conventional techniques are described with respect to the …

Ray-tracing and uniform theory of diffraction techniques are already widely applied to site-
specific radio propagation modeling for wireless applications. Software tools using such …

This paper reviews the basic concepts of rays, ray tracing algorithms, and radio propagation
modeling using ray tracing methods. We focus on the fundamental concepts and the …

The asymptotic high frequency techniques, based on the Geometrical Optics (GO), the
Geometrical Theory of Diffraction (GTD), and its extension such as the Uniform Theory of …

A novel ray-tracing algorithm to cope with the phase errors due to incorrect ray path
computations in ray-launching approaches is presented. The algorithm utilizes bidirectional …

We propose and evaluate several improvements to the accuracy of the shooting and
bouncing ray (SBR) method for ray-tracing (RT) electromagnetic modeling. We propose per …

Techniques of radio propagation modeling and simulation are briefly reviewed, and the
advantages of ray tracing methods are discussed. Spatial division methods are employed to …

In this paper, accelerated techniques for three dimensional ray tracing using the concept of
ray frustums are presented for the fast characterization of wireless communications, where …

A fundamental approach in the optimal design of wireless communication systems is a
proper comprehension of radio wave propagation through wireless channels. As wireless …