W-CDMA Uplink (PRACH)

These settings control the real-time baseband and W-CDMA/HSPA+ PRACH functionality.

1. General Settings

Channel Configuration Mode

Filter Type

W-CDMA (PRACH) Configuration Buttons

This section defines the W-CDMA/HSPA+ PRACH's buttons. These buttons are available in all of the W-CDMA/HSPA+ Uplink's (PRACH) tree nodes.

Restores all of the W-CDMA/HSPA+ channel's parameters to their default conditions.
Begins the PRACH transmission. This button is active when the PRACH Start Trigger Source is set to Trigger in the PRACH node.

1. General Settings

Channel Configuration Mode

Choice: DPCCH/DPDCH | PRACH | CELL_FACH

Default: DPCCH/DPDCH

Double-click or use the drop-down menu to set the channel configuration mode.

Filter Type

Choice: Root Nyquist | Nyquist | Gaussian | Rectangle | IS95 | IS95 w/EQ | IS95 Mod | IS95 Mod w/EQ | APCO 25 C4FM | UN3/4 GSM Gaussian | User File

Default: Root Nyquist (Alpha = 0.220)

Sets the filter type.