WCDMA Multi Evaluation Measurement
R&S
®
CMW-KG4xx/-KM4xx/-KS4xx
582
User Manual 1173.9657.02 ─ 11
Please check the data sheet to verify whether the timing error measurement has
already been officially released and provides a sufficient accuracy.
●
Phase Discontinuity: change in phase between two adjacent timeslots, see also
"Additional information: Phase Discontinuity"
●
Occupied Bandwidth (OBW): width of a frequency range around the assigned
channel frequency containing 99% of the total integrated power of the transmitted
spectrum.
See also: "TX Measurements" in the R&S
CMW user manual, chapter "System Over-
view"
RX Measurement
For information about this measurement refer to
chapter 3.2.2, "WCDMA RX Tests"
The table provides the following results:
●
Transport Block Count: Number of transport data blocks received since the start of
the measurement
●
Bit Error Rate (BER): Percentage of received data bits that were erroneous
●
Block Error Ratio (BLER): Percentage of received transport data blocks containing
at least one erroneous bit. One data block contains 244 bits.
For additional information refer to
chapter 3.2.6.13, "Common View Elements"
3.2.6.11
Selecting and Modifying Views
Use the "Display" parameters to select the views and to change the appearance and
contents of the views. Depending on the selected view the following "Display" hotkeys
are available at the bottom of the GUI:
Hotkey
Description
"Select View ..."
Switch to a certain detailed view or overview.
Alternatively select a diagram in the overview and press ENTER or the rotary
knob.
"Select Trace ..."
Select the trace types to be displayed in the view.
"X Scale... / Y Scale... /
Scale IQ"
Modify the ranges of the X-axis and the Y-axis. For the Y-axis both manual scal-
ing and automatic scaling are possible. Manual scaling allows to enter a range,
to display the full range or to display the default range.
"Half Slot 1st / 2nd"
Toggle between the results for the first and second half slot (half-slot measure-
ments only).
"Slot Number Table"
Select a slot for display of statistical results.
"Select Unit ACLR"
Select the unit of the Y-axis: dBm or dB (relative to carrier power level).
Additional options are available in the "Measurement Control" section of the configura-
tion dialog, e.g. change the preselected slot or the Spreading Factor (SF).
General Description
深圳德标仪器
135-1095-0799