MODELING AND MEASUREMENTS OF CHANNEL IMPULSE-RESPONSE FOR AN INDOOR WIRELESS COMMUNICATION-SYSTEM

The paper presents a three-dimensional vector propagation model applic able to an indoor wireless communication system, in which the scattere rs are grouped into two categories, i.e. deterministic scatterers and randomly distributed scatterers. Exact information on locations and di mensions are used for the former category, while the rest of the scatt erers are assumed to be randomly distributed with estimated statistica l parameters. The model is based on the uniform theory of diffraction (UTD), multiple-image theory and a ray-launching technique to include all possible reflections and diffractions from ceiling, floor, walls, columns, edges and corners. Theoretical results of the power delay pro files and root-mean-square delay spreads are compared with indoor meas urements done in Ottawa and Kyoto published by other authors. The good agreement with these measurements indicates that our model works well for such indoor microcellular communication applications.