Ray tracing based path loss prediction in two microcellular environments. - Karim Rizk; Jean-Frédéric Wagen; Fred Gardiol (PIMRC, 1994)

Influence of database accuracy on two-dimensional ray-tracing-based predictions in urban microcells. - Karim Rizk; Jean-Frédéric Wagen; Fred Gardiol (IEEE Trans. Veh. Technol., 2000)