286 Keysight N9927-90001 User’s Guide
Over–the–Air Measurements (OTA) – LTE FDD Option 370 and 5GTF Option 377 (CPU2
Only)
How to Set Up Over–the–Air (OTA) Mode Settings
Repeat process as needed for additional Windows, Data, and CC settings.
5. Optional: Press Sweep 3 and modify/select items:
— Single
— Continuous OFF ON to ON (default)
— Restart
— Strip Points
6. Press Trigger Settings
— Freerun (default) or
— External
7. Optional: Press Meas Setup 4 – Only required if scan does not display
data.
—LTE FDD: Press FreqError Th
and change to 5 kHz – Wait a few
seconds until Table populates or set FreqLock Range
to Extended.
— Then change back to the desired Frequency Error
Threshold for your measurement.
—5GTF: Press SyncCorr Th
and change to 0% – wait a few seconds
until the Table populates and
— Then change back to the desired Sync Correlation
Threshold for your measurement.
8. Press Trace 6
— And, set up your Windows and component carriers (CCs) as
indicated in “How to Set Up Over–the–Air (OTA) Mode Settings” on
page 273.
9. Press System
— Press GNSS
> GNSS Receiver > Internal > Esc
IMPORTANT! When you select a multiple CCs (e.g., CC0, CC1, etcetera)
and record data, you may actually see other cell signals that do not have
sufficient power to be displayed, but are still detectable. When you select
ALL, multiple component carriers are selected, but the results of the
component carrier (CC) with the highest power is displayed. Refer to
Figure 12-4 on page 279.
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