UL Spectrum Flatness (5G NR/5G-Advanced)

UL Spectrum Flatness sets the controls for Uplink Spectrum Flatness testing, along with Advanced tab's NR Band property. UL Up Link (reverse link: from cell phone to base station) Spectrum Flatness Pass/Fail results are summarized in the Summary trace, and detailed Pass/Fail results, limits and metrics for each slot are shown in the EVM Equalizer Spectrum Flatness trace.

Spectrum Flatness Enabled - When selected (checked), Uplink Spectrum Flatness testing is enabled and the selected Test Environment Condition and Test Tolerance are applied to the measurement.

Test Environment Condition - Selects the test limits for Uplink Spectrum Flatness. Test limits are also affected by the selected frequency range.

Normal - Limit values are set for normal conditions based on the 5G NR standard.

  FR1  
   

R1 Ripple: 4.0 dB + Test Tolerance

R2 Ripple: 8.0 dB + Test Tolerance

Max(R1)-Min(R2): 5.0 dB + Test Tolerance

Max(R2)-Min(R1): 7.0 dB + Test Tolerance

  FR2  
   

R1 Ripple: 6.0 dB + Test Tolerance

R2 Ripple: 9.0 dB + Test Tolerance

Max(R1)-Min(R2): 7.0 dB + Test Tolerance

Max(R2)-Min(R1): 8.0 dB + Test Tolerance

Extreme - Limit values are set for extreme conditions based on the 5G NR standard.

  FR1  
   

R1 Ripple: 4.0 dB + Test Tolerance

R2 Ripple: 12.0 dB + Test Tolerance

Max(R1)-Min(R2): 6.0 dB + Test Tolerance

Max(R2)-Min(R1): 10.0 dB + Test Tolerance

Default: Normal

Range: Normal, Extreme

Test Tolerance - Sets a tolerance value that is added to the standard-based UL Spectrum Flatness maximum coefficient values (limits).

See Also

Advanced tab

5G NR/5G-Advanced Demod Properties Dialog Box