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Procedure
1
Press the MEASURE SETUP hot key.
2
To set the nominal channel bandwidth to be measured, complete the following steps:
a
Press the Bandwidth soft key.
b
Select the bandwidth option from the choices: 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, 15 MHz,
and 20 MHz.
3
To select the subframe number to be measured, complete the following steps:
a
Press the Subframe No soft key.
b
Enter a value by using the numeric keys. You can also use the rotary knob.
c
Press the Enter soft key.
4
Toggle the Cell ID soft key and select Auto or Manual as desired:
–
Auto: Lets the instrument detect the Cell ID for the LTE signal automatically.
–
Manual: Sets a specific Cell ID for the LTE signal manually in order to speed up the
synchronization with a BTS.
Measurement example
Figure 116 ACLR measurement with 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 RF tests" on page 248 for more
information.
Multi-ACLR
The Multi-ACLR measurement is used to perform multi-channel ACLR measurements with as many
channels as possible. It helps you to measure ACLR in multi-channel transmitting Base Station
environment.
Setting measure setup
After configuring test parameters as described in the "Configuring test parameters" on page 234, you
can continue your measurement.
JD700B Series User's Guide
Chapter 9 Using LTE - TDD Signal Analyzer
245
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