Predefined F-PDCH Active Channels (cdma2000/1xEV-DV)

Default: Cleared (See cdma2000/1xEV-DV Standard Setups/Presets Table.)

Predefined F-PDCH Active Channels enables the predefined active channel measurements for the F PDCH channels (Walsh code 32). It also provides access to:

Walsh Code Column Index: Specifies a Walsh Code Index from 0 to 3. This setting applies to the current measurement regardless of the Walsh Mask setting.
Walsh Mask: Applies the specified Walsh Mask to the current measurement.
Cleared: Do not use the specified Walsh Mask.
Selected: Apply the specified Walsh Mask to the current measurement.
F-PDCH0 and F-PDCH1 parameters
- Number of Channels: Specifies the F-PDCH0 and F-PDCH1 active channel.
- Modulation: Specifies the F-PDCH0 and F_PDCH1 modulation for the active channel (QPSK Quadrature phase shift keying, 8PSK, or 16QAM).

The Predefined Channels tab is only available when Enable 1xEV DV analysis and the Forward direction are selected.

Predefined F-PDCH Active Channels measurements

Use Predefined F-PDCH Active Channels measurements when the VSA's active channel or modulation auto detection algorithm is not properly identifying the F- PDCH active channels or modulation format. Selecting Predefined F-PDCH Active Channels forces the VSA to override the auto detection algorithm and to recognize all F-PDCH channels specified by the Define F-PDCH parameters as active. The defined F-PDCH channels are always presumed active regardless of actual input signal. The total number of identified active channels includes the F-PDCH0 and F-PDCH1 and any additional active channels detected by the active channel algorithm.

To completely define the F-PDCH active channels, the Walsh code assignments and Modulation formats for both the F-PDCH0 and F-PDCH1 must be specified. Define (or specify) the desired F-PDCH active channels using the F-PDCH0 and F-PDCH1 parameters (see F-PDCH0 and F-PDCH1):

Walsh Code Column Index
Walsh Mask
F-PDCH0 and F-PDCH1 Number of Channels
F-PDCH0 and F-PDCH1 Modulation

These parameters are used by all measurement trace data results.

Making F-PDCH Predefined Active Channel measurements

For more information about making Predefined F-PDCH Active Channels measurements , see Setting up a 1xEV-DV measurement.