A deterministic model for the planning of microcellular mobile radio communication systems

A ray model for field strength prediction for the planning of microcellular mobile radio communication systems is presented. The software developed at Eindhoven University of Technology for LMSS has been adapted for application in microcellular mobile radio communication systems. The adaption consists of using simple shaped objects and higher order contributions. The simulation results of the new model are compared to measurements which were performed in The Hagu

Measurement of diffracted electromagnetic fields behind a thin finite-width screen

A comparison between the measured and theoretically predicted site shielding factor (SSF) of a thin finite-width screen is made. The SSF, which expresses the additional attenuation caused by an obstacle on the propagation path, is measured along a cylindrical arc behind the screen at a frequency of 50 GHz. The measured SSF curves compare very well with those predicted by a theoretical model, which uses the uniform geometrical theory of diffraction (UTD) and includes corner diffraction. The same holds for the measured and theoretically derived time-domain results, which clearly demonstrate the ray behaviour of the diffracted fields, as assumed in the UTD.</p