Chapter 2 WCDMA Call Mode
Testing User Equipment on WCDMA channels
WCDMA Options Version 6.20
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Testing User Equipment on WCDMA channels
Your 4400 comes with many clever thought-through features that keep WCDMA
testing as simple as possible. There is no need for you to study piles of literature.
With the 4400, you will achieve meaningful measurement results with just the
push of a few buttons.
Section “Crash course” on page 4 provides you with a short guideline on how to
connect a mobile and perform tests.
Need to know more about the user interface of the 4400? Just navigate to
“Menus and levels” on page 20 and you will find all you need to know.
The structure of this chapter reflects the different test menus available with the
marker tabs. The last section within this chapter describes interfrequency
handover tests which can be performed using the UARFCN test parameter fields.
– Call setup
– Basic test menu
– Modulation Quality test menu
– Constellation Display
– Power menu
– Min./max. power test
– Appendix
– BER/BLER menu
– Spectrum menu
– OBW (Occupied Bandwidth)
– ACLR (Adjacent Channel Leakage Power Ratio)
– SEM (Spectrum Emission Mask)
– UE Info menu
– Performing interfrequency handover tests
Call setup The WCDMA call mode options offers two softkeys for initiating NB-originated
calls:
NB Call Speech and NB Call Loopback.
When using the
NB Call Speech softkey a call is established using the test
parameters specified. Pressing the
NB Call Loopback softkey initiates a call
using the predefined Reference Measurement Channel for UL and DL. The Refer-
ence Measurement Channel fixes the parameters of a WCDMA signal for
measurements. For further details on the Reference Measurement Channel refer
to “Basic System Parameters” on page 66.
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