Data Subcarrier Modulation Format (802.16 OFDM)
: See 802.16
OFDM Standard Setups/Presets Table.
This parameter controls how the modulation format for the data
subcarriers is determined. There are three selections: ,
and . The default is .
- - the data
modulation format is detected by examining the IQ data in each OFDM symbol.
(Modulation changes in the downlink subframe can be tracked.)
- - the data modulation
format is read from the FCH symbol at the start of the downlink subframe.
If this parameter is set to FCH and no FCH symbol is detected, then the
demodulation will be used.
- - the
data modulation format is specified by the format selected in the text box. When is selected,
the subcarrier modulation format can manually be specified. The VSA
ignores the format transmitted in the 802.16 OFDM burst and sets the VSAs
demodulator to the modulation format specified in the Manual
text box.
The modulation format is shown in the Subframe
Info trace data.
See Data Subcarrier Modulation
for more information.
See Also
Format tab (IEEE 802.16 OFDM Demod Properties)
2024
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