General Information : TD-LTE Signal Analyzer : Over-the-Air (OTA) Measurements

Over-the-Air (OTA) Measurements
The following parameters are measured in the OTA Scanner measurement.
Scanner
The Scanner measurement scans for the presence of up to 6 cell IDs and displays the power levels of the secondary sync signal (S-SS).
Cell ID, Sector ID, Group ID
Identifying information sent by the transmitter in the sync signal.
Sync Signal (SS) Power
Sync Signal power displayed in dBm or Watts.
Dominance
Dominance is the ratio of the power for the largest signal to the sum of all other signals found, in dB.
Measurement Setup
1.
Press the Measurements main menu key.
2.
Press the Over-the-Air submenu key.
3.
Press the Scanner submenu key to activate the OTA Scanner display (Figure: “Over-the-Air Measurements”). Press the Scanner key again to display the OTA Scanner menu.
a.
Press the Sort By... submenu key to list the Sort By menu and select the parameter the OTA Scanner will use for sorting (Power, Cell ID, or Sector ID). Press Back to return to the OTA Scanner menu.
b.
Press the Show Mod Results submenu key to display or hide the Modulation Results of the strongest signal.
Note 
When Show Mod Results is on, the overall scanner measurement speed is slower due to the additional time required to demodulate the strongest signal.
c.
Use the Auto Save submenu key to automatically save measurement records. The instrument logs a data record at the end of each measurement cycle. A maximum of 10,000 records can be stored in a file.
 
4. Press the Back submenu key to return to the Over-the-Air menu.
 
 
 

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