328 Chapter 10
CDMA Digital Modulation
cdma2000 Reverse Link Modulation for Receiver Test
cdma2000 Reverse Link Modulation for Receiver Test
This section teaches you how to build cdma2000 reverse link signals for testing base station receiver
designs. The signals are generated by the internal real-time IQ baseband generator. The procedures in this
section build on each other and are designed to be used sequentially.
Editing the Mobile Setup
1. Press Preset.
2. Press
Mode > CDMA > Real Time CDMA2000 > Link Forward Reverse to Reverse.
3. Press
Mobile Setup.
4. Move the cursor to highlight the filter field.
5. Press
Edit Item > Select > IS-95 and IS-2000 > IS-95 Mod.
6. Press
Return > Return.
7. Press
Mobile Setup.
8. Move the cursor to highlight the Long Code Mask field.
9. Press
3FFF0000000 > Enter.
The cdma2000 reverse link global parameters have now been changed so that you are using a modified
IS-95 filter and a long code mask of 3FFF0000000.
Editing Channel Setups
The tasks in this procedure build upon the previous procedure. This procedure teaches you how to perform
the following tasks:
• “Changing the Operating Mode” on page 328
• “Changing Channel States” on page 329
• “Modifying Channel Parameters” on page 329
Changing the Operating Mode
This task teaches you how to select a predefined reverse link channel configuration.
1. Press
Mode Setup to return to the top-level real-time cdma2000 menu.
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