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
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Each DPU (Data Processing Unit) consists in the following CCSDS compliant functions:
- a frame synchronizer
- a de-randomizer
- a Reed Solomon RS(223,255) decoder with supported interleaving and virtual filling
- a VCDU detector
In the different configurations, each function (differential coder/decoder, randomiser/de-randomiser,
CCSDS encoder/decoder can be enabled or disabled.
Figure 47: QPSK demodulation with 2 DPU