6-11 Setup Menu TD-LTE Signal Analyzer
6-32 PN: 10580-00234 Rev. T 3GPP MG
Sync Menu
Key Sequence: Setup > Sync
Trigger Menu
Key Sequence: Setup > Trigger
Sync Type: Press to choose between the Normal (SS) or RS Sync Type.
Only choose RS when there is no sync signal present in the transmitter
under test. If RS is chosen and a sync signal is present, no modulation
measurements will be available.
Cell ID: Identifying information sent by the transmitter in the sync signal. If
Normal (SS) is selected as the Sync Type, the Cell ID is extracted
automatically from the Sync Signal. The Cell ID must be entered manually
when RS Sync Type is selected. For user convenience, the Cell ID is
automatically populated from the last measured signal with an SS.
Back: Press this submenu key to return to the “Setup Menu” on page 6-31.
Figure 6-24. TD-LTE Sync Menu
Trigger Source: Press this key to choose between No Trig or External
(Ext). When Ext is chosen, the instrument uses an external trigger input to
determine frame start timing for data acquisition. The internal algorithms
will search for a frame sync and use the delta between the external timing
reference and internal sync to compute a ‘Timing Error’ measurement.
Trigger Polarity: Select the desired edge of the external trigger source to
use for reference.
Back: Press this submenu key to return to the “Setup Menu” on page 6-31.
Figure 6-25. TD-LTE Sync Menu
Back
Sync
Sync Type
Normal (SS) RS
Cell ID
- -
Back
Trigger
Trigger Source
No Trig Ext
Trigger Polarity
Rising Falling
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