Anritsu Spectrum Master MS2720T, User Manual

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Chapter 2 —Fixed WiMAX Signal Analyzer 2-3 General Measurement Setups
WiMAX MG PN: 10580-00236 Rev. D 2-3
2-3 General Measurement Setups
CP Ratio (G) Setup
The 802.16-2004 standard specifies Cyclic Prefix (CP) ratios 1 ⁄ 4, 1 ⁄ 8, 1 ⁄ 16, or 1 ⁄ 32.
A specific CP ratio can be set manually. The instrument offers support for the following
ratios: 1
⁄ 4, 1 ⁄ 8, 1 ⁄ 16, 1 ⁄ 32.
To set the CP ratio:
1. Press the
Setup
main menu key.
2. Press the
CP Ratio (G)
submenu key to display the available ratios: 1 ⁄ 4, 1 ⁄ 8, 1 ⁄ 16, 1 ⁄ 32.
3. Use the
Up/Down
arrow keys or the rotary knob to highlight the applicable ratio, and
press the
Enter
key to set the ratio. The selected ratio is displayed in the user settable
parameters to the left of the display.
Span Setup
To set the span for Spectrum View:
1. Press the
Setup
main menu key.
2. Press the
Span
submenu key to display the available spans: 5 MHz, 10 MHz, 20 MHZ,
30 MHz.
3. Use the
Up/Down
arrow keys or the rotary knob to highlight the applicable span on the
list, and press the
Enter
key to set the span.
Frame Length Setup
To set the frame length:
1. Press the
Setup
main menu key.
2. Press the
Frame Length
submenu key to toggle through the available frame length
selections: 2.5 ms, 5 ms, 10 ms.
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