Chapter 9
Using LTE-TDD Signal Analyzer
JD700B Series User’s Guide
309
Figure 178 Control channel measurement with LTE-TDD signal analyzer (MBMS On)
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 modulation tests” on page 317 for
more information.
Using marker
You can use the
MARKER
hard key to place a marker on a resource block and display the IQ diagram for
the selected resource block.
Procedure
1
Press the
MARKER
hard key.
2
Press the
Channel
soft key to select the channel to be displayed in the IQ diagram.
The channel P-SS is selected by default.
3
Turn the rotary knob to move the highlight from one to another in the channel summary table.
4
Toggle the
Marker View
soft key between
On
and
Off
to display or dismiss the result of the
selected channel.
Subframe
The Subframe measures the modulation accuracy of all the data and control channels at the specified
subframe (1 ms).
Setting measure setup
After configuring test parameters as described in the “Configuring test parameters” on page 283, you can
continue your measurement. The measurement settings can be saved and recalled as a file. You can also
use JDViewer, PC application software to configure a measure setup, save as a file, and load the file on to
the instrument.
Procedure
1
Press the
MEASURE SETUP
hot key.