Radio Wave Propagation on Graphics Hardware

April 25th, 2007

Radio wave propagation predictions are of great interest for cellular radio networks. Ray tracing approaches are an established technique for wave propagation, however, such approaches need to be extended to include diffraction, which is a predominant effect for common mobile radio frequencies. We demonstrate how to exploit the GPU to accelerate wave propagation predictions by orders of magnitude, making them available at interactive frame rates. The paper presents a GPU implementation of our diffraction technique. The presented technique can be easily extended to also simulate the diffraction of water waves by obstacles in complex three dimensional scenarios in a physically correct manner. (Fast Edge-Diffraction-Based Radio Wave Propagation Model for Graphics Hardware. Tobias Rick, Rudolf Mathar, Proceedings of ITG INICA 2007)