Chapter 16
Performing RFoCPRI Testing
610
JD700B Series User’s Guide
Measurement example
Figure 371 Subframe measurement (regular view) with RFoCPRI LTE-FDD 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 frame measurement
The Frame measures the modulation accuracy of all the data and control channels at the frame (10 ms).
Making a measurement
Procedure
1
Press the
MEASURE
hot key to select the measurement mode.
2
Select
Signal Analyzer > LTE-FDD > Modulation Analysis > Frame
.
3
Configure test parameters as described in the “Configuring test parameters” on page 592.
4
Press the
MEASURE SETUP
hot key, and then set the following parameters:
Measurement setups as described in the “Setting measure setup” on page 594
Rx Parameters as described in the “Configuring Rx Parameters” on page 594
5
Toggle the
Physical Cell ID
soft key between
Auto
and
Manual
:
Auto:
Detects 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.
6
Toggle the
EVM Detection Mode
soft key between
Single
and
Combine
:
Single:
Testing on one single antenna connected to your JD700B series with a cable.
Combine:
Testing on multiple antennas connected to your JD700B series with a 2x1
combiner or an antenna.
7
Depending on your selected NEM, you may need to turn on or off the inversion of the I and Q
order by toggling the
IQ Swap
soft key to
On
or
Off
.
8
Optional
. Press the
Miscellaneous
soft key, and then set other miscellaneous setups as
described in the following section.
9
Check your measurement result displayed on the screen.
Содержание CellAdvisor JD700B Series
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