The content delves into the challenges of expanding cellular services in the upper mid-band and the integration issues with incumbent satellite services. It proposes a beamforming technique leveraging ephemeris data for interference mitigation, demonstrating efficient spectrum sharing benefits.
The study analyzes the relationship between satellite elevation angles and path loss, highlighting the impact of BS antenna element gain on interference. The proposed interference nulling method aims to address these challenges by creating spatial radiation nulls towards visible satellites.
Through system-level simulations involving Starlink LEO satellites over rural Colorado, the study evaluates different beamforming approaches. It concludes that LOS interference nulling effectively prevents degradation of satellite uplink while maintaining terrestrial downlink performance.
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