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Chapter 7 Using 5G NR Signal Analyzer
Conducting modulation measurement
Table 58 Sync SCS offset range per SSB SCS and sync SCS resolution
SSB SCS (kHz)
15
30
120
240
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
Frequency Error
Time Error
SS-RSRP Power
PDSCH EVM
Data EVM RMS
Data EVM Peak
3
Optional: Tap the Save hot key on the side bar and select the save option from the
choices available for your measurement.
Figure 119
Page 240
Sync Raster
Resolution (kHz)
15
30
120
240
Select and set
Test limits On/Off, High/Low Limit
Test limits On/Off, High/Low Limit
Test limits On/Off, High/Low Limit
Test limits On/Off, High Limit for QPSK/16 QAM/64 QAM/
256 QAM
Test limits On/Off, High Limit
Test limits On/Off, High Limit
NOTE
The SPA06MA-O currently measures the PDSCH EVM values based on SIB1
contained PDSCH RB. The SPA06MA-O 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 com-
mon search space of type-0 PDCCH
– DCI (Downlink Control information) format 1_0 is used to get the informa-
tion of SIB1 PDSCH RB location
– SIB1 (System Information Block type
shows an example of 5G NR constellation measurement.
SPA06MA-O User's Guide
Sync Raster
Offset Range
0 to 11
0 to 5
0 to 5
0 to 2
22145360, R005
SSB Frequency
= Center
Frequency
0
0
0
0
April 2021
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