Effects of Mobility on mm-Wave Beamforming in Dynamic, Urban Environments
Kenneth M. O’Hara
In 5G and 6G, mmWaves bring the promise of new, high bandwidth frequency bands, supporting many of the new concepts envisioned for future applications in wireless communications. Propagation losses and fast fading due to increasingly mobile devices and short wavelengths pose challenges for many of these new concepts. mm-Wave MIMO beamforming technology can help solve some of these issues but must be able to adapt to dynamic channels as devices move and signals interact with people and vehicles moving through a scene. To evaluate performance, ray tracing simulations can predict the fast fading and Doppler spectra expected in an active urban environment and estimate the impact a dynamic channel has on MIMO beamforming.
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