Specifies the method used to perform crest factor reduction (CFR) when you set the RFMXSPECAN_ATTR_DPD_PRE_DPD_CFR_ENABLED attribute to True. Refer to DPD concept topic for more information about CFR methods.

Syntax

RFMXSPECAN_ATTR_DPD_PRE_DPD_CFR_METHOD

Numeric Value

Data Type

Access

Applies To

1110078

int32

Read/Write

N/A

Remarks


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 Clipping.

Name

Value

Description

RFMXSPECAN_VAL_DPD_PRE_DPD_CFR_METHOD_CLIPPING

0 (0x0)

Hard clips the signal such that the target PAPR is achieved.

RFMXSPECAN_VAL_DPD_PRE_DPD_CFR_METHOD_PEAK_WINDOWING

1 (0x1)

Scales the peaks in the signal using weighted window function to get smooth peaks and achieve the target PAPR.

RFMXSPECAN_VAL_DPD_PRE_DPD_CFR_METHOD_SIGMOID

2 (0x2)

Scales the peaks using modified sigmoid transfer function to get smooth peaks and achieve the target PAPR. This method does not support the filter operation.