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3
Tap to switch CFI to Manual or Auto.
–
–
4
Tap CFI and input a value from 1 to 3 as desired using the on-screen keyboard.
5
Tap PDSCH, and then select the PDSCH modulation type option: Auto, QPSK,
16 QAM, 64 QAM, 256 QAM, LTE E-TM3.3, LTE E-TM3.2, LTE E-TM3.1a, LTE
E-TM3.1, LTE E-TM2a, LTE E-TM2, LTE E-TM1.2 or LTE E-TM1.1.
If two or more modulation types are used in a frame, select Auto. If the PDSCH
uses the same modulation type in a frame or in a subframe, select a specific
modulation type to get more accurate EVM.
6
Tap PDSCH Threshold to set the threshold for PDSCH and enter a value by
using the on-screen keyboard.
7
Tap PDSCH Precoding to set On or Off to enable or disable the PDSCH
precoding.
General setting
You can configure trigger setting in the general setting section.
1
Tap the Configuration icon in the detected list table or Setup > Configuration.
2
Tap Trigger to set Internal, External or GPS as required.
–
–
–
Carrier setting
You can configure up to three carriers in the carrier setting section.
1
Tap the Index box. You can select up to 3 carriers.
April 2021
Auto lets the instrument set the number of OFDM symbols used for transmit-
ting PDCCHs in a subframe.
Manual sets the number of OFDM symbols manually. The set of OFDM
symbols that can be used for PDCCH in a subframe is given by 0, 2, 3 or 4 in
1.4 MHz bandwidth and 1, 2 or 3 in other bandwidths.
Internal: when starting a signal processing using the internal reference clock
and creating a trigger
External: when starting a signal processing based on the external input
trigger
GPS: When synchronizing the signal processing via the GPS receiver
SPA06MA-O User's Guide
22145360, R005
Chapter 9 Using 5G DSS Signal Analyzer
Conducting OTA measurement
Page 329
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