78 Chapter 10
Code Domain Measurements
Measurement Procedure
Step 9. Press Meas, Code Domain to initiate the code domain measurement.
Step 10. Press
FREQ Channel, 2, GHz to set the center frequency to 2 GHz.
Step 11. Press
View/Display to select from the following views:
• CDP Graph & Metrics – provides a combination view of the code
domain power graph and the summary data.
• CDE Graph & Metrics – provides a combination view of the code
domain power graph and the code domain error.
• I/Q Error – provides a combination view of magnitude error, phase
error, symbol EVM and the summary data.
• Code Domain – provides a combination view of the code domain
power, symbol power, I/Q symbol polar vector and the summary data.
• Demod Bits – provides a combination view of the graphs for the code
domain power and symbol power, and the I/Q demodulated bit
stream data for the symbol power slots selected by the measurement
interval and measurement offset.
• Result Metrics – provides a view of the measurement summary data.
Step 12. Press
Marker, Properties, Marker Trace to select a desired trace and press
Marker, Peak Search to put on a marker. You can check the measurement
results with the marker.
For more information about changing measurement parameters, see
N9079A TD-SCDMA with HSPA/8PSK User’s and Programmer’s
Reference.
If you have a problem, and get an error message, see the “Instrument
Messages Guide”.
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