NI WLAN Analysis Toolkit

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NIWLANA_OFDM_DEMOD_PHASE_TRACKING

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  • Updated2023-02-21
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Data Type: int32
Access:read/write
Functions:niWLANA_SetScalarAttributeI32
niWLANA_GetScalarAttributeI32
Description: Specifies the method of phase tracking to use. Phase tracking is useful for tracking the phase variation over the modulation symbol caused by residual frequency offset and phase noise.

The default value is NIWLAN_VAL_OFDM_PHASE_TRACKING_STANDARD.

Get Function: niWLANA_GetOFDMDemodPhaseTracking
Set Function: niWLANA_SetOFDMDemodPhaseTracking
Values:
NIWLAN_VAL_OFDM_PHASE_TRACKING_STANDARD (0)Specifies that the toolkit enables symbol-by-symbol pilot-based common phase error correction. The toolkit performs pilot-based common phase error correction over the OFDM symbol, as specified in section 17.3.9.7 of IEEE Standard 802.11a-1999, section 20.3.21.7.4 of IEEE Standard 802.11n-2009 and section 24.3.16.4.4 of IEEE P802.11ah/D1.3.
NIWLAN_VAL_OFDM_PHASE_TRACKING_NONE (2)Specifies that the toolkit disables phase tracking.
NIWLAN_VAL_OFDM_PHASE_TRACKING_STANDARD_WITH_CUBIC_SPLINE_FIT (3)Specifies that the toolkit performs a cubic spline fit on pilot-based common phase error across symbols and then does a symbol-by-symbol phase error correction.

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