Specifies the interpolation type and/or smoothing type used on the channel estimates.

Syntax

RFMXWLAN_ATTR_OFDMMODACC_CHANNEL_ESTIMATION_INTERPOLATION_TYPE

Numeric Value

Data Type

Access

Applies To

10502250

int32

Read/Write

N/A

Remarks


The interpolation is applied only for 802.11ax and 802.11be signals when the LTF Size is 2x and 1x.

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

The default value is Linear.

Name

Value

Description

RFMXWLAN_VAL_OFDMMODACC_CHANNEL_ESTIMATION_INTERPOLATION_TYPE_LINEAR

0 (0x0)

Linear interpolation is performed on reference channel estimates across subcarriers.

RFMXWLAN_VAL_OFDMMODACC_CHANNEL_ESTIMATION_INTERPOLATION_TYPE_TRIANGULAR_SMOOTHING

1 (0x1)

Channel estimates are smoothed using a triangular weighted moving average window across subcarriers.

RFMXWLAN_VAL_OFDMMODACC_CHANNEL_ESTIMATION_INTERPOLATION_TYPE_WIENER_FILTER

2 (0x2)

Wiener filter is used for interpolation and smoothing on reference channel estimates across subcarriers.