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Chapter 6 Using LTE/LTE-A TDD Analyzer
Conducting modulation measurement
Figure 76 LTE/LTE-A TDD power vs time (Slot) measurement
Conducting modulation measurement
The following sections describe how to conduct modulation analysis.
Constellation
The constellation is used to observe some aspects of modulation accuracy and can
reveal certain fault mechanisms such as I/Q amplitude imbalance or quadrature imbal-
ance. It displays constellation diagram by modulation types.
Setting measure setup
After configuring the spectrum measurement in
on page
measurement settings can be saved and recalled as a file by selecting File Type as
Setup and load the file onto the instrument using the Save/Load icons on the side bar.
To set measure setup
1
Tap the Setup (
2
Tap Bandwidth and select the value from the following choices: 1.4 MHz, 3 MHz,
5 MHz, 10 MHz, 15 MHz, or 20 MHz.
3
Tap Subframe Number to set the number of subframe using the on-screen
keyboard.
Page 150
9, you can set the measure setup to continue your measurement. The
) icon in the side bar.
SPA06MA-O User's Guide
"Configuring spectrum measurements"
22145360, R005
April 2021
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