Preamble Length (1xEV-DO)

Default: 64 chips (See 1xEV-DO Standard Setups/Presets Table.) 

Range: 0 to 1,024 chips

Preamble Length allows manual specification of the forward channel preamble length (in chips). This parameter is controlled by the Preamble Auto Detect property as described in the following table:

Auto Detect Setting

Preamble Length 

Clear:

The VSA uses the Preamble Length.

Selected:

Unavailable - The VSA does not use the Preamble Length.

Preamble Length is only available when the Forward link direction is selected (MeasSetup > 1xEV-DO Demod Properties > Format tab > Direction > ForwardLink) and Auto Detect is cleared (MeasSetup > 1xEV-DO Demod Properties > Advanced tab > Auto Detect.

image\1xEVPreambleLen_wmf.jpg

See Also

Advanced Tab (1xEV-DO Demod Properties)

1xEV-DO Demod Properties