Enabling PICH and S-CCPCH
In 3GPP W-CDMA or W-CDMA (with HSDPA), two optional control channels are provided: S-CCPCH and PICH. These can have different spreading codes and spreading factors. For this reason, the E7495A/B only identifies them as PICH and S-CCPCH channels when enabled by you. The test set defaults to the disabled (off) state. In the default mode, the test set still shows the energy by assuming a spread factor of 512 in the Full view and Zoom view graphs. Either the actual spreading factor or spreading code must be entered manually before the test set will display the PICH or S-CCPCH parameters with their correct spread factors and OVSF codes.
To enable the PICH and S-CCPCH