Statistical modelling at 20 GHz for fixed wireless access systems in urban multipath environments

Abstract

For fixed wireless access systems in urban areas, reflection or scattering from building surfaces can cause propagation impairments and influence system planning, deployment and quality of service. A statistical model is presented for such fixed radio links operating at microwave and mm-wave frequencies to predict the radiowave propagation characteristics. The model considers the fundamental underlying propagation, where buildings give rise to multipath due to reflection or scattering. In addition, the model accounts for the antenna properties, including relative height, orientation and radiation patterns. Overall good agreement between the statistical properties of narrowband measurements and simulations is demonstrated.