Radio Frequency Receiver Performance

This white paper provides a timely technical analysis of receiver performance with 5G Americas providing contributions and recommendations toward positive outcomes regarding coexistence. The FCC Notice of Inquiry released in April 2022, “Promoting Efficient Use of Spectrum through Improved Receiver Interference Immunity Performance”, highlights this issue. Some services initially utilized large fallow spectrum bands, but greater usage of those bands has created new sources of out of band interference. Legacy receivers that were designed for the original benign conditions may not be adequate under new harsher conditions. Regulation focuses on transmitters, but adding restrictions to only newly deployed systems to compensate for inadequate legacy receiver performance can become counterproductive. Receiver performance considerations must be prioritized; receiver performance should evolve over time as spectrum becomes increasingly crowded.

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