Anritsu 3GPP, Руководство по измерениям

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LTE Signal Analyzer 5-4 LTE Modulation Measurements
3GPP MG PN: 10580-00234 Rev. Y 5-11
Modulation Measurement Setups
Power vs Resource Block
1. Press the
Measurements
main menu key.
2. Press the
Modulation
submenu key.
3. Press the
Power vs Resource Block
submenu key to activate the Power vs Resource
Block measurement view.
In the figure below, note that EVM measurement result for 256-QAM modulation type
is displayed only when Option 886 is installed on your instrument.
4. Press the
Power vs Resource Block
submenu key again to display the Power versus RB
menu for setting up the RB Color Map maximum value and range. Press a submenu
key to change the desired parameter, or press the
Autoscale Color Map
key to
automatically set the Max and Range values.
5. Press the
Back
submenu key to return to the Modulation menu.
Figure 5-6. Power versus Resource Block Measurement View
Note
Values shown in the Power vs Resource Block measurement display pertain to the
data subcarriers. This is useful in the monitoring of changes in traffic loading on the
base station. To measure the power levels of the physical layer Control Channels,
use the
“Control Channel Power” measurement.