This study is devoted to increasing the performance of the numerical methods for solving the
one-way Helmholtz equation in large-scale domains. The higher-order rational …

With the increasing prevalence of wireless communication and the use of large-scale ultra-
dense networking technologies, the effect of the human body as an obstacle on …

A ray tracing framework based on the utilization of multiple Huygens surfaces is introduced
and evaluated. As such, complex propagation environments are divided into smaller …

This study is devoted to radio wave propagation modeling in the urban environment. Special
attention has been paid to the features of vehicular ad hoc networks (VANETs) and vehicle …

This study is devoted to the higher-order finite-difference numerical methods for solving the
pseudo-differential parabolic equation of diffraction theory. The relationship between the …

We present a detailed methodology for investigating radiowave multiple diffraction events
over rectangular barriers (here termed plateaus) when exposed to a plane wave originating …

We prove the equivalence between the derivation of the Vogler algorithm and the parabolic
equation for multiple knife-edge diffraction problems under certain conditions. To illustrate …

In this paper, we present a novel method based on generalized scattering matrix
representation to analyse radiowave propagation. Problem domain is characterized as …

The age of the Internet of Things (IoT) and smart cities calls for low-power wireless
communication networks, for which the Long-Range (LoRa) is a rising star. Efficient network …

This study is devoted to improving the efficiency of the numerical methods for solving the
pseudo-differential parabolic equation of diffraction theory. A rational approximation on an …