How Do I Make a PRACH Preamble Analysis Measurement?

How Do I Make a PRACH Preamble Analysis Measurement?

Last updated: January 15, 2009

This section is only applicable to the lab application.

   
NOTE
Before performing a PRACH preamble analysis measurement, ensure that the measurement has been properly calibrated (see Calibrating the Test Set ).
   

Measuring PRACH Preamble Analysis

  1. Power the UE on and wait for it to camp to the test set, but DO NOT establish a connection between the UE and test set (see How Do I Set Up a Call and Make a Connection? ).
  2. Press the right More key until you reach the Call Parms 2 of 3 menu. Ensure that Call Limit State ( F2 ) is set to Off .
  3. Press the left More key until you reach the Call Control 2 of 5 menu. Select Uplink Parameters ( F4 ).
  4. Set the PRACH Signature parameters as needed.
  5. Set PRACH Preambles to at least 3.
  6. Set Available Subchannels (Bit Mask) to specify only one available subchannel. Select Close Menu ( F6 ).
  7. Press the Measurement selection key.
  8. Select the PRACH Preamble Analysis measurement.
  9. Select PRACH Preamble Setup ( F1 ) and set the measurement parameters as needed. Select Close Menu ( F6 ).
  10. Set Cell Power ( F7 ) as needed.
  11. Press the START SINGLE key to begin the measurement.
  12. Select Graph Control ( F2 ).
  13. Select Axis Control ( F1 ). Set the axis control parameters as needed. Select Return ( F6 ).
  14. Select Marker ( F2 ) to turn on the marker on the graphical displays.
  15. Select View Select ( F3 ) and then Zoom View ( F4 ) to zoom on one of the graphical display results.

Related Topics

PRACH Preamble Analysis Measurement Description

PRACH Preamble Analysis Troubleshooting

Programming the PRACH Preamble Analysis Measurement