LTE Signaling
R&S
®
CMW-KM5xx/-KS5xx
132
User Manual 1173.9628.02 ─ 16
"Auto"
Fading starts automatically with the downlink signal.
"Manual"
Fading is started and restarted manually. A "Restart" button is dis-
played.
"Trigger"
Fading starts automatically. The two I/Q boards are synchronized via
an internal trigger signal.
Remote command:
Start Seed
Sets the start seed for the pseudo-random fading algorithm. This enables reproducible
fading conditions.
Remote command:
Insertion Loss
The insertion loss is the attenuation at the fader input. It can be calculated automati-
cally or you can define it manually.
"Normal"
The insertion loss is calculated automatically, based on the currently
selected
.
"User"
Specify the insertion loss value. A lower insertion loss allows for a
higher downlink power but may result in clipping.
You can use the displayed information "Clipped Samples" to find the
lowest insertion loss value for which no clipping occurs. For scenarios
with several output paths, the information is displayed per path.
Remote command:
Doppler Frequency Mode, Doppler Frequency
The maximum Doppler frequency can be calculated automatically or you can define it
manually.
"Normal"
The maximum Doppler frequency is calculated automatically, based
on the currently selected
.
GUI Reference
深圳德标仪器
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