Chapter 16
Performing RFoCPRI Testing
640
JD700B Series User’s Guide
knob.
Press the
Enter
soft key.
6
Check your measurement result displayed on the screen.
7
To clear current (C) and history (H) status of CPRI alarm on LOS and LOF and start a new
monitoring, press the
MEASURE SETUP
hot key and then the
Clear History
soft key.
8
Optional
. Go to
SAVE/LOAD > Save
, and then select the save option from the choices available
for your measurement mode. See “Using save” on page 35 for more information.
Measurement example
Figure 387 CCDF measurement with RFoCPRI LTE-TDD signal analyzer
Setting limit for RFoCPRI signal analysis
By default, test limits specified in the standard are set for you. You can change thresholds if you desire.
Procedure
1
Press the
LIMIT
hot key.
2
To set a limit for RF analysis tests, press the
RF Test Limit
s soft key and then set limits as
needed, depending on where you are in the measurement mode.
To set the limit for
Select
Set
Channel power
Channel Power
High Limit, Low Limit
Occupied bandwidth
Occupied BW
High Limit
3
To set a limit for modulation tests, press the
Modulation Test Limits
soft key and then set limits
as needed, depending on where you are in the measurement mode.
To set the limit for
Select
Set
Frequency error
Frequency Error
High Limit, Low Limit
PDSCH error vector
magnitude if MBMS is off
EVM > PDSCH EVM
High Limit (QPSK)
High Limit (16 QAM)
High Limit (64 QAM)
PMCH error vector magnitude
EVM > PMCH EVM
High Limit (QPSK)
