38 Keysight WLAN Measurement Guide
Making WLAN Measurements
Making Spectrum Emission Mask Measurements
Viewing Spectrum Emission Mask Measurement Results
This measurement provides three views:
— Abs Pwr Freq view displays the absolute power levels in dBm and the
corresponding frequencies in the text window.
— Rel Pwr Freq view displays the relative power levels in dBc and the
corresponding frequencies in the text window.
— Integrated Power view displays the absolute and relative power levels
integrated throughout the bandwidths between the start and stop
frequencies in the text window.
For more information on what these data are, see the
N9077A & W9077A
WLAN Measurement Application User’s and Programmer’s Reference
.
Click to Go Back to
“Making Spectrum Emission Mask Measurements” on
.
Before making SEM measurements for a 802.11p signal, you need to load
the desired 802.11p limit mask file for your test.
Step
Action
Notes
1.
Select the radio standard.
a. Press
MODE Setup
,
Radio Std
,
802.11a/b/g
,
802.11a/g (OFDM)
.
2.
Examine the available mask
files for 802.11p 5MHz and
10 MHz system.
a. Press
Recall
,
Data (Import)
,
Open
.
The available mask files:
11p_5MHz_A.mask
11p_5MHz_B.mask
11p_5MHz_C.mask
11p_5MHz_D.mask
11p_10MHz_A.mask
11p_10MHz_B.mask
11p_10MHz_C.mask
11p_10MHz_D.mask
3.
Select the desired limit mask
file.
a. Use arrow button to select the file
name and press
Enter
.
4.
Select the spectrum
emission mask measurement
again or restart the
measurement.
a. Press
Meas, Spectrum Emission
Mask
,
Or,
Press
Restart
.