Chapter 10 331
CDMA Digital Modulation
cdma2000 Reverse Link Modulation for Receiver Test
2. Press Link Control > Adjust Code Domain Power > Scale to 0 dB.
The power level displayed for each channel is now changed to show the normalized relative channel power.
Figure 10-14 shows the displayed power levels before and after the
Scale to 0 dB softkey is pressed.
Figure 10-14
Setting Equal Channel Powers
This task teaches you how to set the relative power level for all active channels to be equal, for a total power
level of 0 dB. The normalized relative power level of each channel depends on the number of active
channels. This task is an alternative to scaling to 0 dB.
Press
Adjust Code Domain Power > Equal Powers.
All active channels have now been set to equal powers. Figure 10-15 shows the displayed normalized
relative power levels after the
Equal Powers softkey is pressed with five active channels.
Figure 10-15
Managing Noise
The tasks in this procedure build upon the previous procedure.
The following tasks teach you how to set the overall carrier-to-noise (C/N) ratio for the reverse link
cdma2000 setup and to set the EbNo value for individual physical channels.
Displayed Power Levels
After Scaling to 0 dB
Displayed Power Levels
Before Scaling to 0 dB
Displayed Power Levels
After Equal Powers
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