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Chapter 9 129
W-CDMA Measurement Application
Amplitude
Description Specifications Supplemental Information
Code Domain
BTS Measurements
−25 dBm ≤ ML
a
≤ −15 dBm
20 to 30 °C
a. ML (mixer level) is RF input power minus attenuation.
RF input power and attenuation are set to
meet the Mixer Level range.
Code domain power
Absolute accuracy
−10 dBc CPICH (Atten = 10 dB)
b
b. Code Domain Power Absolute accuracy is calculated as sum of 95% Confidence Absolute Amplitude
Accuracy and Code Domain relative accuracy at Code Power level.
±0.32 dB (95% confidence)
Relative accuracy
Code domain power range
0 to −10 dBc ±0.015 dB
−10 to −30 dBc ±0.06 dB
−30 to −40 dBc ±0.07 dB
Power Control Steps
Accuracy
0 to −10 dBc ±0.03 dB
−10 to −30 dBc ±0.12 dB
Power Dynamic Range
Accuracy
0 to −40 dBc ±0.14 dB
Symbol power vs. time
Relative accuracy
Code domain power range
0 to −10 dBc ±0.015 dB
−10 to −30 dBc ±0.06 dB
−30 to −40 dBc ±0.07 dB
Symbol error vector magnitude
Accuracy
0 to −25 dBc ±1.0% (nominal)