Specifies the PPDU fields that the measurement uses to estimate the carrier frequency error in the acquired signal.

You do not need to use a selector string to configure or read this property for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals.

The default value is Preamble and Pilots.

Remarks

The following table lists the characteristics of this property.

Short Name OFDMModAcc Frequency Error Estimation Method
Data type ci32.png
Permissions Read/Write
High-level VIs N/A
Resettable Yes
Disabled 0

Carrier frequency error is not computed and the corresponding result is returned as NaN.

Initial Preamble 1

Initial short and long training fields in the PPDU are used.
Preamble 2

Initial short and long training fields along with the SIGnal fields are used.
Preamble and Pilots 3

The initial short and long training fields, SIGnal fields, and the pilot subcarriers in the DATA field are used.
Preamble, Pilots and Data 4

The initial short and long training fields, SIGnal fields, and all the subcarriers in the DATA field are used.