Viavi CellAdvisor 5G, User Manual

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Using 5G NR Signal Analyzer
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NOTE
If you tap SSB Auto Search to Start, the searching progress screen appears to let you know the status of searching.
You can tap SSB Auto Search to Stop to stop searching.
8 Tap SSB Periodicity and select the options from 5 ms , 10 ms , 20 ms , 40 ms , 80 ms , 160 ms .
The SS burst period (SSB periodicity) is defined by each base station and network configurable. 20 ms is the default for the
initial cell selection.
9 Tap to switch PCI ( Physical Cell ID ) to Manual or Auto .
10 Tap PCI and input a value from 0 to 1007 using the on-screen keyboard.
The PCI switches to Manual .
Setting 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
Select
Set
Frequency
error Frequency
error
Test limits On/Off, High Limit/Low Limit
Time error Time error Test limits On/Off, High Limit/Low Limit
SS-RSRP
Power SS-RSRP
Power
Test limits On/Off, High Limit/Low Limit
PDSCH
error vector
magnitude
PDSCH
EVM
Test limits On/Off, High Limit (QPSK), High Limit (16QAM), High Limit (64QAM), High Limit (256QAM)
RMS for
data error
vector
magnitude
Data EVM
RMS
Test limits On/Off, High Limit
Peak for
data error
vector
magnitude
Data EVM
Peak
Test limits On/Off, High Limit
3 Optional. Tap the Save icon on the side bar and select the save option form the choices available for your measurement mode.
NOTE:
The CellAdvisor 5G currently measures the PDSCH EVM values based on SIB1 contained PDSCH RB. The
CellAdvisor 5G performs the 3GPP recommended call protocol connection to get SIB1 RDSCH RB which should
have the following pieces of information required for proper measuring support:
• Pdcch-configSIB1 of MIB (Master Information Block) determines the common search space of type-0 PDCCH
• DCI (Downlink Control information) format 1_0 is used to get the information of SIB1 PDSCH RB location
• SIB1 (System Information Block type