Safran CORTEX Series User Manual page 293

DECODING
FRAME CHECKING
CRC POLY. (HEX)
CRC PRESET (HEX)
Note 1: An input selection not available is indicated by the mention "N/A".
Note 2: Frame synchronizer input selection vs demodulation and Viterbi mode:
QPSK/OQPSK: No Viterbi or dual Viterbi mode
QPSK/OQPSK: Single Viterbi mode
BPSK with or without Viterbi
UQPSK with or without Viterbi
© Safran Data Systems – IMP000074 e14r1
HIGH DATA RATE RECEIVER
HDR-4G+ USER'S MANUAL
By menu Automatic selection by menu
RS 223 (CCSDS) CCSDS RS (223,255) decoding standard basis
DVB Transport Layer RS decoding for DVB Transfer Layer
LDPC 7/8 LDPC 7/8 decoding
Worldview RS Specific RS decoding for Worldview satellite
RS 239 (CCSDS) CCSDS RS (239,255) decoding
Turbo decoder Turbo decoder (future release)
LDPC 1/2 LDPC 1/2 decoding
LDPC 2/3 LDPC 2/3 decoding
RS 223 (Dual) CCSDS RS (223,255) decoding dual basis
RS 239 (Dual) CCSDS RS (239,255) decoding dual basis
LDPC 7/8 Transport Layer
LDPC 1/2 1K Transport Layer LDPC 1/2 (1K) decoding with Transport Layer
LDPC 1/2 4K Transport Layer LDPC 1/2 (4K) decoding with Transport Layer
LDPC 1/2 16K Transport Layer LDPC 1/2 (16K) decoding with Transport
Layer
LDPC 2/3 1K Transport Layer LDPC 2/3 (1K) decoding with Transport Layer
LDPC 2/3 4K Transport Layer LDPC 2/3 (4K) decoding with Transport Layer
CRC 16 Bit CRC enabled
OFF 16 Bit CRC disabled
CRC polynomial value, in hexadecimal. Enter 8005 for a CRC16 (X
+ 1) or 1021 for a CCITT compliant CRC (X
Preset value for CRC calculation, in hexadecimal. Enter 0000 for a CRC16 or
FFFF for a CCITT compliant CRC
It cannot be duplicated or distributed without expressed written consent.
Ref. DTU 100782
Is.Rev
Date:
LDPC 7/8 decoding with Transport Layer
16 12
+ X + X
Merged I & Q: select Merged (I&Q)
Separate I & Q: select Split 2(I) or(Q)
Select Split 2 (I)
Select Split 2 (I)
Select Split 2 (I) or (Q)
Safran Data Systems
This document is the property of
3.5
June 1, 2021
16 15 2
+ X + X
5
+ 1)
.
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