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LTE SRS Measurement
R&S
®
CMW-KM5xx/-KS5xx
828
User Manual 1173.9628.02 ─ 16
Measure on Exception
Specifies whether measurement results that the R&S
CMW identifies as faulty or inac-
curate are rejected. A faulty result occurs e.g. when an overload is detected. In remote
control, the cause of the error is indicated by the "reliability indicator".
●
Off:
Faulty results are rejected. The measurement is continued; the statistical
counters are not re-set. Use this mode to ensure that a single faulty result does not
affect the entire measurement.
●
On:
Results are never rejected. Use this mode e.g. for development purposes, if
you want to analyze the reason for occasional wrong transmissions.
Remote command:
Frame Structure
Displays the frame structure of the uplink signal as defined in 3GPP TS 36.211. The
value is set implicitly via the
Remote command:
Channel Bandwidth
Channel bandwidth between 1.4 MHz and 20 MHz. Set the bandwidth in accordance
with the measured LTE signal.
The parameter is a common measurement setting, i.e. it has the same value in all
measurements (e.g. SRS measurement and multi evaluation measurement).
In the Standalone (SA) scenario, this parameter is controlled by the measurement. In
the Combined Signal Path (CSP) scenario, it is controlled by the signaling application.
Remote command:
(SA)
(CSP)
Statistic Count
Defines the number of measurement intervals per measurement cycle (statistics cycle,
single-shot measurement). This value is also relevant for continuous measurements,
because the averaging procedures depend on the statistic count.
For SRS measurements the measurement interval is completed when the R&S
CMW
has measured a full trace, including one or two SRS symbols and the preceding and
following OFF time.
Remote command:
High Dynamic Mode
Enables or disables the high dynamic mode.
The high dynamic mode is suitable for power dynamics measurements involving high
ON powers. In that case the dynamic range of the R&S
CMW may not be sufficient to
measure both the high ON powers and the low OFF powers accurately.
GUI Reference
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