R&S
®
CMW 500 GSM Applications
GSM TX Measurements
Operating Manual 1202.3986.32 – 03 207
GSM Multi Evaluation: EVM
The following single-slot results appear in all detailed views:
Statistic Count
Progress bar for the measurement. During the first single shot after the start of the
measurement, the bar shows the current measurement interval relative to the "Statistic
Length" (see Statistical Settings).
Bursts out of Tolerance
Percentage of measurement intervals / bursts that were failed because they exceeded
the limits in the diagram.
Mod. View Throughput
Percentage of measurement intervals where the detected burst pattern was found to
correspond to the "Modulation View" settings. Only frames which contribute to the
"Mod. View Throughput" are displayed, counted, and used for the statistical results;
other frames are rejected.
The "Mod. View Throughput" is evaluated in a moving window of 1000 frames. If a
non-matching signal configuration is changed according to the "Modulation View"
settings, the throughput increases linearly from 0 % to 100 %.
The statistical single-slot results are analogous in all modulation views.
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