| In this work, we focus on real-time site-specific propagation prediction for mobile-to-mobile wireless communication systems in cities and in mountainous environments operating at the frequency bands between 400 MHz and 5 GHz, and between 57 and 64 GHz. For the lower frequency band, computationally efficient prediction models were developed for the real-time prediction of channel characteristics (e.g., path loss, channel impulse response, etc.) of Single-Input-Single-Output (SISO) and Multiple-Input-Multiple-Output (MIMO) radio links. To develop these models, various multipath propagation effects present in urban street canyons and mountainous regions were numerically and empirically investigated. For systems operating in the higher frequency band over limited distances, an empirical investigation was performed to understand and model the propagation effects of common scatterers and obstructions in urban environments (e.g., humans, street furniture, etc.). |
