Generalized Fading Model for Beyond 5G Networks

The wireless channel of future wireless networks beyond 5G will have unique characteristics (e.g., finite number of dominant specular components or clustered scatter waves) that can not be fully apprehended by the traditional fading models. This motivates us to find a more general fading model that incorporates multiple specular components with clustered diffuse scattered waves but achieves analytical tractability at the same time. To this end, we introduced the Multiple-Waves with Generalized Diffuse (MWGD) fading model that allow an arbitrary number of specular components and assume generalized diffuse scattered model. We derive the distribution functions of the signal envelop in closed form, evaluate the performance metrics of future wireless networks and obtain important design insights for beyond 5G networks through numerical simulations.