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WCDMA PRACH Measurement
R&S
®
CMW-KG4xx/-KM4xx/-KS4xx
898
User Manual 1173.9657.02 ─ 11
<PhaseErrorChip>
Comma separated list of 4096 values, one per chip of the prese-
lected preamble
Range:
-180 deg to 180 deg
Default unit: deg
Example:
See
Usage:
Query only
Firmware/Software:
V3.0.20
FETCh:WCDMa:MEAS<i>:PRACh:TRACe:FERRor:CURRent?
READ:WCDMa:MEAS<i>:PRACh:TRACe:FERRor:CURRent?
Return the values of the frequency error bar graph.
See also
chapter 5.2.7.2, "Detailed Views: Modulation"
Return values:
<Reliability>
<FrequencyError>
Comma separated list of values, one result per measured pre-
amble (see
on page 884)
Range:
-60000 Hz to 60000 Hz
Default unit: Hz
Example:
See
Usage:
Query only
Firmware/Software:
V3.0.20
FETCh:WCDMa:MEAS<i>:PRACh:TRACe:IQ:CURRent?
READ:WCDMa:MEAS<i>:PRACh:TRACe:IQ:CURRent?
Returns the results in the I/Q constellation diagram, see also
Views: I/Q Constellation Diagram"
The constellation points are returned as pairs of I and Q values:
<Reliability>, <Iphase>
1
, <Qphase>
1
, ..., <Iphase>
3904
, <Qphase>
3904
Return values:
<Reliability>
<Iphase>
I amplitude of a constellation point
Range:
-5 to 5
<Qphase>
Q amplitude of a constellation point
Range:
-5 to 5
Example:
See
Usage:
Query only
Firmware/Software:
V3.0.20
Command Reference
深圳德标仪器
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