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Chapter 4 - Operation and Administration
QPSK-CTC-3/4
QAM16-CTC-1/2
QAM16-CTC-3/4
QAM64-CTC-2/3
QAM64-CTC-3/4
QAM64-CTC-5/6
The default rate is QPSK-CTC-1/2.
4.8.2.2.4.8
Downlink Fade Margin
The system uses hard-coded SNR thresholds for rate-adaptation decisions
according to the Diversity Mode. The Downlink Fade Margin is added to the
downlink thresholds, thus enabling to change the actual thresholds used by the
downlink multirate algorithm ("reducing" the sensitivity according to the radio
planning).
The range is from 0 to 15 dB.
The default is 2 dB.
4.8.2.2.5
Channelization
The Channelization submenu enables viewing/updating the following parameters:
DL Permutation Base
DL Permutation Base Value
UL Permutation Base
UL Permutation Base Value
Major Group
4.8.2.2.5.1
DL Permutation Base
The method for configuring/calculating the permutation base used for downlink
sub-channelization.
The available options are Fix, Variable and Rotated.
BreezeMAX Extreme
197
BS Menu
System Manual
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