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1xEV-DO Measurements
R&S
®
CMW-KM8xx/-KS8xx
238
User Manual 1173.9511.02 ─ 12
Fig. 3-2: Example: Segment with a configured segment length of 15 slots and different statistical
length for spectrum and modulation measurements.
If two consecutive segments are measured at different RF frequencies or expected
powers, the R&S
CMW changes the analyzer settings in the last slot of the first seg-
ment. This usually impairs the accuracy of the measurement results for this last slot
(see segments 1, 3 and 4 in figure
). It is recommended to exclude these slots from
the statistical length.
segment 2 and segment 3 have the same analyzer settings, so that the
last slot of segment 2 can be measured accurately.
If a slot cannot be measured accurately because of overflow (third slot of segment 1 in
figure
), low signal or synchronization error and "Measure On Exception" is
Off
CONFigure:EVDO:MEAS<i>:MEValuation:MOEXception
), the results of the
entire segment are
INValid
. The error cause is reported by the reliability indicator
and the return code included in the measurement results.
Fig. 3-3: Example: Sequence with four segments and accuracy and not accuracy measurement
results.
Trigger modes
A list mode measurement can either be triggered only once, or it can be retriggered at
the beginning of specified segments.
General Description
深圳德标仪器
135-1095-0799