3 WLAN Mode
3.7 WLAN MIMO Modulation Analysis Measurement
Preset 1.0 ms
State Saved Saved in instrument state
Min If Radio Std is 802.11n (20 MHz)/(40 MHz):
If Result Length is set to Man, Min Value will be:
1.17*(Result Length+13) *(1+Guard Interval))/ Subcarrier Spacings
If Result Length is set to Auto, Min Value will be:
1.17*(Max Result Length+13) *(1+Guard Interval))/ Subcarrier Spacings
If Radio Std is 802.11ac/ax/be
If Result Length is set to Man, Min Value will be:
1.17*(Result Length+13) *(1+Guard Interval))/ Subcarrier Spacings
If Result Length is set to Auto, Min Value will be:
1.17*(Max Result Length+13) *(1+Guard Interval))/ Subcarrier Spacing
Max Max is hardware dependent:
4000000 / Sampling Rate
Option B25: Sampling Rate = 45M (when info BW is 25MHz);
Option B40 or Wider: Sampling Rate = Info BW * 1.25
Meas Interval
This parameter specifies the measurement interval (length), in symbol times, of the
portion of the OFDM burst that will be analyzed. This analyzed portion of the OFDM
burst starts at a measurement offset specified by Meas Offset.
Remote
Command
[:SENSe]:EVMMimo:TIME:INTerval <integer>
[:SENSe]:EVMMimo:TIME:INTerval?
Example
:EVMM:TIME:INT 15
:EVMM:TIME:INT?
Preset For 802.11a/g/j/p (OFDM), 801.11g (DSSS-OFDM), 802.11n/ac//ah/af/ax/be: 16 symbols
For 802.11b/g (DSSS/CCK/PBCC): 2794 chips
State Saved Saved in instrument state
Min 1 symbol
Max 21848 symbols
Max value is also limited by Hardware capability
Meas Offset
This parameter specifies the measurement offset, in symbol times, of the portion of
the OFDM burst that will be analyzed. The length of this analyzed portion of the
OFDM burst is specified by Meas Interval.
WLAN Mode User's &Programmer's Reference 1234
To Next Page