Safran CORTEX Series User Manual page 7

3.4.12.1 Operating Modes ................................................................................................................................. 138
3.4.12.2 Sources of the data to replay ............................................................................................................... 139
3.4.13 Multi-DPU processing ........................................................................................................................... 139
3.4.13.1 Generality ............................................................................................................................................ 139
3.4.13.2 Ambiguity resolution by the DPUs ..................................................................................................... 144
3.4.13.3 BER measurements ............................................................................................................................. 145
3.4.13.4 Data output .......................................................................................................................................... 146
3.4.13.5 Guide for multi DPU Operation .......................................................................................................... 147
3.5 P C
OLARIZATION OMBINING
3.5.1 General ..................................................................................................................................................... 152
3.5.2 Data Path ................................................................................................................................................. 152
3.5.3 Signal Processing ..................................................................................................................................... 153
3.6 T
EST MODULATION
3.6.1 Data Generation ....................................................................................................................................... 155
3.6.1.1 Data Sources ......................................................................................................................................... 155
3.6.1.1.1 Pseudo Random Data ......................................................................................................................... 155
3.6.1.1.2 Data from File .................................................................................................................................... 156
3.6.1.1.2.1 File Format ...................................................................................................................................... 156
3.6.1.1.2.2 Cycle Length ................................................................................................................................... 156
3.6.1.1.3 External Data & Clock (Input Format) .............................................................................................. 157
3.6.1.1.4 Playback ............................................................................................................................................. 157
3.6.1.2 Internal and External framing ............................................................................................................... 157
3.6.1.2.1 Framing features ................................................................................................................................ 157
3.6.1.2.2 Framing and Cycle Length ................................................................................................................. 158
3.6.1.2.3 Encoding ............................................................................................................................................ 158
3.6.1.2.4 Scrambling ......................................................................................................................................... 158
3.6.1.2.5 FECF .................................................................................................................................................. 159
3.6.2 Modulation Unit ....................................................................................................................................... 159
3.6.2.1 Main features ........................................................................................................................................ 159
3.6.2.2 Constellation Mapping .......................................................................................................................... 159
3.6.2.3 DNRZ Coding ....................................................................................................................................... 164
3.6.2.4 Multi-DGU support ............................................................................................................................... 165
3.6.2.5 DVB-S2 & SCCC ................................................................................................................................. 167
3.6.3 IF Signal Generation ................................................................................................................................ 167
3.6.3.1 IF1 and IF2 ............................................................................................................................................ 167
3.6.3.2 Doppler ................................................................................................................................................. 173
3.6.4 Modulation of external data ..................................................................................................................... 173
3.6.4.1 Direct input to the modulator ................................................................................................................ 173
3.6.4.1.1 Principle ............................................................................................................................................. 173
3.6.4.1.2 Configuring the modulator and the format input ............................................................................... 176
3.6.4.1.3 BER estimation .................................................................................................................................. 177
3.6.4.1.4 MCS preset files ................................................................................................................................. 177
3.6.4.1.5 Constraints ......................................................................................................................................... 178
3.7 C
ABLE EQUALIZER FILTER
3.8 D ........................................................................................................................................... 181
ATA LOGGING
3.8.1 Standard Loging ....................................................................................................................................... 181
3.8.2 Extended Logging ..................................................................................................................................... 182
3.8.3 System Logging ........................................................................................................................................ 184
4 OPERATING MANUAL.................................................................................................................................. 185
4.1 S C
TARTING AND ONFIGURING THE
4.1.1 First Steps................................................................................................................................................. 185
© Safran Data Systems - IMP000074 e14r1
HIGH DATA RATE RECEIVER
HDR-4G+ USER'S MANUAL
........................................................................................................................ 152
..................................................................................................................................... 155
.......................................................................................................................... 179
CORTEX HDR ................................................................................... 185
It cannot be duplicated or distributed without expressed written consent.
Ref. DTU 100782
Is.Rev
Date:
Safran Data Systems
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3.5
June 1, 2021
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