480 Chapter 16
W-CDMA Uplink Digital Modulation for Receiver Test
Setting Up a Multiple PRACH Signal
Selecting the PRACH and Multiple PRACH Modes
1. Press Mode > W-CDMA > Real Time W-CDMA > Link Down Up to Up.
This selects the W-CDMA uplink mode which resides in the first-level W-CDMA softkey menu.
2. Press
Link Control > PhyCH Type > PRACH.
3. Press the
PRACH Mode Single Multi softkey until Multi is highlighted.
This softkey menu level provides you access to other menus that control the PRACH signal. You can
access a menu that enables you to choose the reference block size for the transport channel, access the
rear panel input/output signal selections, determine input trigger signal parameters, and access the
physical and transport channel set up tables/menus. Figure 16-25 shows this softkey menu level with the
multiple PRACH mode selected.
Figure 16-25 Multiple PRACH Mode Selection
Selecting the Rear Panel Output Trigger
1. Press PRACH Rear Panel Setup > PRACH Output Signal Setup.
This sets up an output trigger signal at the EVENT1 rear panel connector. Refer to “Configuring Rear
Panel Output Signals” on page 545 for more information.
2. Highlight the item under the Signal column that corresponds to Event1 under the Rear Panel
Ports column.
Multiple PRACH
Mode Selected
Summary Display Continuously Shows the Current
PRACH Power Levels for the Various PRACH Components
Access Rear Panel
I/O Signal Setup
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