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4
Optional. Tap to switch Physical Cell ID to Manual or Auto.
–
–
5
To select the number of antenna ports, tap the MIMO and select 2x2 or 4x4.
6
To assign an antenna port number automatically or manually, tap the Antenna
Port under Antenna menu and select the option: Auto, Antenna 0, Antenna 1,
Antenna 2, or Antenna 3.
If the MIMO is set to 2x2, the antenna ports 2 and 3 are disabled.
7
Tap Cyclic Prefix and select Normal or Extended.
8
Tap Delay and enter a value using the on-screen keyboard to set the amount of
delay in μs.
To set limit
1
Tap Menu > Limit.
2
Tap the test items and set the limits depending on your selected measurement
mode:
To set the limit for
Slot Avg Power
Off Power
Transition Period
3
Optional: Tap the Save hot key on the side bar and select the save option from the
choices available for your measurement.
Figure 76
April 2021
Auto lets the instrument detect the Physical Cell ID for the LTE signal auto-
matically
Manual sets a specific Physical Cell ID for the LTE signal manually in order to
speed up the synchronization with a BTS.
NOTE
The Delay setting is used only when there is a time offset in the signals to be
measured.
Select and set
Test limits On/Off, High/Low Limit
Test limits On/Off, High Limit
Test limits On/Off, High Limit
shows an example of LTE/LTE-A TDD power vs time (Slot) measurement.
SPA06MA-O User's Guide
22145360, R005
Chapter 6 Using LTE/LTE-A TDD Analyzer
Power vs Time
Page 149
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