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Chapter 8 227
CDMA Digital Modulation
cdma2000 Forward Link Modulation for Receiver Test
The power level displayed for each channel is now changed to show the normalized relative
channel power. Figure 8-11 shows the displayed power levels before and after the
Scale to 0 dB
softkey is pressed.
Figure 8-11
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 8-12 shows the displayed
normalized relative power levels after the Equal Powers softkey is pressed with seven active
channels.
Figure 8-12
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
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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