Chapter 2 —Fixed WiMAX Signal Analyzer 2-10 Measurements Menu
WiMAX MG PN: 10580-00236 Rev. D 2-21
RF Measurements Menu
Key Sequence: Measurements > RF Measurements
Spectrum: This view displays the spectrum of the input signal. The span
is automatically adjusted to the next largest available span based on the
bandwidth setting. Channel Power (RSSI) in dBm and Occupied
bandwidth measurements are displayed as numerical values.
Span: Press this submenu key to open the Span selection dialog
box. Select the desired Span for the Spectrum view using the
Up/Down arrow keys or rotary knob, and press Enter. The list
shows the following choices: 5 MHz, 10 MHz, 20 MHz, 30 MHz.
Note: The span value is automatically adjusted to the next largest
available span when the BW setting is changed. You can change
the span to any of the 4 values to override the automatic selection.
Back: Returns to the RF Measurements menu.
Power vs Time: The Power versus Time view shows the time domain
view of a WiMAX 802.16-2004 OFDM signal over approximately one
frame.
The Channel Power in dBm, Preamble power in dBm, burst power of data
bursts in dBm, and the Crest Factor are displayed as numerical values.
ACPR: The ACPR (Adjacent Channel Power Ratio) view shows one main
channel and two adjacent channels. It displays the power levels for each
channel (both absolute and relative).
RF Summary: Press this submenu key to display a summary of all of the
RF numerical measurement results:
• Channel Power (RSSI) in dBm
• Data Burst Power in dBm
• Preamble Power in dBm
• Occupied BW in Hz
• Crest Factor in dB
Back: Press this submenu key to return to the “Measurements Menu”
on page 2-20.
Figure 2-17. Fixed WiMAX RF Meas Menu
Span
5 MHz
Back
Back
RF Measurements
Spectrum
Power vs Time
ACPR
RF
Summary
Spectrum
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