COMPUTER SOFTWARE, NAMELY, A COLLECTION OF STATISTICAL CHANNEL MODELS FOR WIRELESS COMMUNICATIONS APPLICATIONS WITHIN URBAN MACROCELLULAR OR MICROCELLULAR ENVIRONMENTS, THAT CAN BE RUN ON COMPUTERS AND VARIOUS HARDWARE PLATFORMS, FOR THE PURPOSE OF MODELING, SYNTHESIZING, SIMULATING, AND DISPLAYING ACTUAL WIRELESS PROPAGATION DATA AND SPECIFIC CHANNEL CHARACTERISTICS OVER SPACE AND TIME