Keysight M9421A - Wiener Normalized Delay Spread; Triangle Filter Length

3 WLAN Mode
3.7 WLAN MIMO Modulation Analysis Measurement
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Compatibility SCPI
:CALCulate:EVMMimo:SMEQualizer[:STATe] OFF | ON | 0 | 1
:CALCulate:EVMMimo:SMEQualizer[:STATe]?
Wiener Normalized Delay Spread
This parameter is available when Radio Std is 802.11n/ac/ax/be and channel
estimation filter is Wiener.
Specify the estimated channel delay spread value for the system, which normalized
by OFDM symbol interval.
Remote
Command
:CALCulate:EVMMimo:CEFilter:WNDSpread <real>
:CALCulate:EVMMimo:CEFilter:WNDSpread?
Example
:CALC:EVMM:CEF:WNDS 0.25
:CALC:EVMM:CEF:WNDS?
Notes Only used in 802.11n/ac/ax/be
It is visible when Channel Estimation Filter Selection is Wiener
Preset 0.125
State Saved Saved in instrument state
Min 0
Max 0.25
Triangle Filter Length
This parameter is available when Radio Std is 802.11n/ac/ax/be and Channel
Estimation Filter is Triangle.
Specifies the total length of the triangle filter’s impulse response.
Remote Command
:CALCulate:EVMMimo:CEFilter:TFLength <integer>
:CALCulate:EVMMimo:CEFilter:TFLength?
Example
:CALC:EVMM:CEF:TFL 21
:CALC:EVMM:CEF:TFL?
Notes Only used in 802.11n/ac/ax/be
It is visible when Channel Estimation Filter Selection is Triangle
The value must be an odd number
Preset 5 subcarriers
State Saved Saved in instrument state
Min 1
Max Depends on the Radio Standard as follows:
WLAN Mode User's &Programmer's Reference 1246