Keysight WLAN Measurement Guide 25
Making WLAN Measurements
Making Occupied Bandwidth Measurements
Measurement Example Signal Settings
Frequency:
2412 MHz
Output Power: -30 dBm (at analyzer input)
WLAN signal radio standard: 802.11n/40 MHz
Data Rate:
270 Mbps 64 QAM
Measurement Procedure
Viewing Occupied BW Measurement Results
Measurement results available include a graphical window showing if any
distortion produces undesirable power outside the specified bandwidth and a
text window showing the following results:
— Occupied Bandwidth
— Total Power
— Transmit Freq Error
— x dB Bandwidth
Step
Action
Notes
1.
Select WLAN Mode.
a. Press
MODE
,
WLAN
.
2.
Preset the analyzer.
a.
Press
Mode Preset
button for the factory preset.
b.
To recall a user-defined Preset: Press
User
Preset
,
User Preset
to preset the current mode.
3.
Select the desired radio standard.
a. Press
MODE Setup
,
Radio Std
,
802.11n
,
802.11n (40 MHz)
.
4.
If necessary, select the frequency
settings.
a. Press
FREQ Channel
,
2412
,
MHz
.
5.
Select the measurement.
a. Press
MEAS
,
Occupied BW
.
6.
Examine the keys that are available
to change measurement parameters
from their default conditions.
a. Press
Meas Setup,
then select the parameters
you want to change and input your settings.
7.
Select the Occupied BW
measurement again or restart the
measurement.
a. Press
Meas, Occupied BW
, or press
Restart
.
If an asterisk is shown next to the x dB bandwidth value, you can optimize
the results by sending SCPI command OBW:MAXH ON and selecting
Trace/Detector
,
Detector
,
Peak
and then make the measurement again.