Using LTE/LTE-A FDD Analyzer
108
4
Tap
Physical Cell ID
and select the type
Manual
or
Auto
.
Auto
lets the instrument detect the Physical Cell ID for the LTE signal automatically, and
Manual
sets a specific Physical Cell
ID for the LTE signal manually in order to speed up the synchronization with a BTS.
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
To select the Cyclic Prefix, tap
Cyclic Prefix
and select
Normal
or
Extended
.
Setting limit
1
Tap
Menu
>
Limit
.
2
Tap to switch the
Subframe Power/ Frame Avg Pwer/ Time Error/ IQ Origin Offset
to set the
Test limits
to
On
or
Off
with
setting
High and (Low) Limits
using the on-screen keyboard to enable or disable Pass/Fail indication.
3
Optional.
Tap the
Save
icon on the side bar and select the save option form the choices available for your measurement mode.
Power vs Time (Frame) measurement with LTE/LTE-A FDD Analyzer
NOTE
You can set the Subframe No. from 0 to 9 based on your need using the on-screen keyboard.
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 imbalance. It displays constellation diagram by modulation types.
Setting measure setup
After configuring spectrum measurement in "
Configuring Spectrum Measurements
", you can set the measure setup to continue your
measurement. The 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.
Содержание CellAdvisor 5G
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