Chapter 16
Performing RFoCPRI Testing
JD700B Series User’s Guide
629
Measurement example
Figure 381 Constellation measurement with RFoCPRI LTE-TDD signal analyzer
NOTE
You can use the
LIMIT
hot key to analyze your measurements with the user-definable
limit and Pass/Fail indication. See “Setting limit for RFoCPRI signal analysis” on page
616 for more information.
Conducting data channel measurement
The Data Channel measures the constellation for the specified resource block as well as the modulation
accuracy of each PDSCH at the specified subframe.
Making a measurement
Procedure
1
Press the
MEASURE
hot key to select the measurement mode.
2
Select
Signal Analyzer > LTE-TDD > Modulation Analysis > Data Channel
.
3
Configure test parameters as described in the “Configuring test parameters” on page 619.
4
Press the
MEASURE SETUP
hot key, and then set the following parameters:
Measurement setups as described in the “Setting measure setup” on page 621
Rx Parameters as described in the “Configuring Rx Parameters” on page 621
5
To select the subframe number to be measured, complete the following steps:
Press the
Subframe No
soft key.
Enter a value by using the numeric keys or the rotary knob.
NOTE
For MBMS testing, this subframe number must be neither 0 nor 5 as these subframes 0
and 5 are not available for MBMS and it must be set to the MBMS transmitted channel’s
subframe number.
Press the
Enter
soft key.
6
Toggle the
Physical Cell ID
soft key between
Auto
and
Manual
:
Auto:
Makes the instrument detect the Physical Cell ID for the LTE signal automatically.
Manual:
Sets a specific Physical Cell ID for the LTE signal manually in order to speed up
the synchronization.
Содержание CellAdvisor JD700B Series
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