mmWave Channel Modeling with Diffuse Scattering in an Office Environment

The millimeter wave frequencies being planned for 5G systems pose challenges for channel modeling. At these frequencies, surface roughness impacts wave propagation, causing scatter in non-specular directions that can have a large effect on received signal strength and polarization. To accurately predict channel characteristics for millimeter wave frequencies, propagation modeling must account for diffuse scattering effects. Wireless InSite’s diffuse scattering capability is based on Degli-Esposti’s work. It includes three models that provide alternative scattering patterns and account for partial cross-polarization of the scattered fields. It also allows the user to optionally sum scattered contributions assuming coherent phase, so that phase effects over closely-spaced antennas (e.g., MIMO) can be accounted for.

This example uses Wireless InSite’s diffuse scattering capability to perform simulations of an indoor wireless network.

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