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Chapter 13 Using Mobile WiMAX Signal Analyzer
1/32.
f
Press the DL Symbols soft key to set the number of downlink symbols.
g
Enter a value by using the numeric keys, and then press the Enter soft key.
h
Press the UL Symbols soft key to set the number of uplink symbols.
i
Enter a value by using the numeric keys, and then press the Enter soft key.
3
To set the start/stop symbols, complete the following steps:
a
Press the Start Symbol soft key.
b
Enter a value by using the numeric keys, and then press the Enter soft key.
c
Press the Stop Symbol soft key.
d
Enter a value by using the numeric keys, and then press the Enter soft key.
4
Toggle the Preamble Index soft key and select the preamble search method: Auto or Manual.
5
Toggle the Search Type soft key and select Full or Window.
6
Optional. Press the Miscellaneous soft key, and then do the following as needed:
–
To select the detect mode, press the Detect Mode soft key and then select the option:
Auto, QPSK, 16 QAM, or 64 QAM.
–
To select the downlink zone, press the DL Zone soft key and then select the permutation
zone option: Auto, PUSC for partial usage of subcarrier channels, FUSC for full usage of
subcarrier channels, or AMC2X3 for adaptive modulation and coding.
NOTE
The permutation zone, which is a number of contiguous OFDMA, symbols in downlink
that use the same permutation. The DL subframe may contain more than one
permutation zone. The maximum number of DL zone is 8 in one DL subframe.
–
To set the delay, complete the following steps:
a
b
c
NOTE
The Delay setting is used only when there is a time offset in the signals to be measured.
Measurement example
Figure 227 Spectral flatness measurement with Mobile WiMAX signal analyzer
432
Press the Delay soft key to set the amount of delay in µs.
Enter a value by using the numeric keys. You can also use the rotary knob.
Press the µs soft key.
JD700B Series User's Guide
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