Safran CORTEX Series - Page 293

HIGH DATA RATE RECEIVER
HDR-4G+ USER’S MANUAL
Ref. DTU 100782
Is.Rev 3.5
Date: June 1, 2021
© Safran Data Systems – IMP000074 e14r1
This document is the property of Safran Data Systems.
It cannot be duplicated or distributed without expressed written consent.
Page 293
DECODING
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 7/8 decoding with 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
FRAME CHECKING
CRC 16 Bit CRC enabled
OFF 16 Bit CRC disabled
CRC POLY. (HEX)
CRC polynomial value, in hexadecimal. Enter 8005 for a CRC16 (X
16
+ X
15
+ X
2
+ 1) or 1021 for a CCITT compliant CRC (X
16
+ X
12
+ X
5
+ 1)
CRC PRESET (HEX)
Preset value for CRC calculation, in hexadecimal. Enter 0000 for a CRC16 or
FFFF for a CCITT compliant CRC
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
Merged I & Q: select Merged (I&Q)
Separate I & Q: select Split 2(I) or(Q)
QPSK/OQPSK: Single Viterbi mode
Select Split 2 (I)
BPSK with or without Viterbi
Select Split 2 (I)
UQPSK with or without Viterbi
Select Split 2 (I) or (Q)